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提交 d68caa95 编写于 作者: J Jeff Mahoney 提交者： Linus Torvalds
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reiserfs: rename p_._ variables 

This patch is a simple s/p_._//g to the reiserfs code.  This is the
fifth in a series of patches to rip out some of the awful variable
naming in reiserfs.
Signed-off-by: NJeff Mahoney <jeffm@suse.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 a063ae17
隐藏空白更改
内联 并排
Showing with 365 addition and 356 deletion
fs/reiserfs/file.c
浏览文件 @ d68caa95
...@@ -134,10 +134,10 @@ static void reiserfs_vfs_truncate_file(struct inode *inode) ...@@ -134,10 +134,10 @@ static void reiserfs_vfs_truncate_file(struct inode *inode)
* be removed... * be removed...
*/ */
static int reiserfs_sync_file(struct file *p_s_filp, static int reiserfs_sync_file(struct file *filp,
struct dentry *p_s_dentry, int datasync) struct dentry *dentry, int datasync)
{ {
struct inode *inode = p_s_dentry->d_inode; struct inode *inode = dentry->d_inode;
int n_err; int n_err;
int barrier_done; int barrier_done;
......
fs/reiserfs/fix_node.c
浏览文件 @ d68caa95
...@@ -780,9 +780,9 @@ static void free_buffers_in_tb(struct tree_balance *tb) ...@@ -780,9 +780,9 @@ static void free_buffers_in_tb(struct tree_balance *tb)
/* The function is NOT SCHEDULE-SAFE! */ /* The function is NOT SCHEDULE-SAFE! */
static int get_empty_nodes(struct tree_balance *tb, int n_h) static int get_empty_nodes(struct tree_balance *tb, int n_h)
{ {
struct buffer_head *p_s_new_bh, struct buffer_head *new_bh,
*p_s_Sh = PATH_H_PBUFFER(tb->tb_path, n_h); *Sh = PATH_H_PBUFFER(tb->tb_path, n_h);
b_blocknr_t *p_n_blocknr, a_n_blocknrs[MAX_AMOUNT_NEEDED] = { 0, }; b_blocknr_t *blocknr, a_n_blocknrs[MAX_AMOUNT_NEEDED] = { 0, };
int n_counter, n_number_of_freeblk, n_amount_needed, /* number of needed empty blocks */ int n_counter, n_number_of_freeblk, n_amount_needed, /* number of needed empty blocks */
n_retval = CARRY_ON; n_retval = CARRY_ON;
struct super_block *sb = tb->tb_sb; struct super_block *sb = tb->tb_sb;
...@@ -810,8 +810,8 @@ static int get_empty_nodes(struct tree_balance *tb, int n_h) ...@@ -810,8 +810,8 @@ static int get_empty_nodes(struct tree_balance *tb, int n_h)
1) : 0; 1) : 0;
/* Allocate missing empty blocks. */ /* Allocate missing empty blocks. */
/* if p_s_Sh == 0 then we are getting a new root */ /* if Sh == 0 then we are getting a new root */
n_amount_needed = (p_s_Sh) ? (tb->blknum[n_h] - 1) : 1; n_amount_needed = (Sh) ? (tb->blknum[n_h] - 1) : 1;
/* Amount_needed = the amount that we need more than the amount that we have. */ /* Amount_needed = the amount that we need more than the amount that we have. */
if (n_amount_needed > n_number_of_freeblk) if (n_amount_needed > n_number_of_freeblk)
n_amount_needed -= n_number_of_freeblk; n_amount_needed -= n_number_of_freeblk;
...@@ -824,25 +824,25 @@ static int get_empty_nodes(struct tree_balance *tb, int n_h) ...@@ -824,25 +824,25 @@ static int get_empty_nodes(struct tree_balance *tb, int n_h)
return NO_DISK_SPACE; return NO_DISK_SPACE;
/* for each blocknumber we just got, get a buffer and stick it on FEB */ /* for each blocknumber we just got, get a buffer and stick it on FEB */
for (p_n_blocknr = a_n_blocknrs, n_counter = 0; for (blocknr = a_n_blocknrs, n_counter = 0;
n_counter < n_amount_needed; p_n_blocknr++, n_counter++) { n_counter < n_amount_needed; blocknr++, n_counter++) {
RFALSE(!*p_n_blocknr, RFALSE(!*blocknr,
"PAP-8135: reiserfs_new_blocknrs failed when got new blocks"); "PAP-8135: reiserfs_new_blocknrs failed when got new blocks");
p_s_new_bh = sb_getblk(sb, *p_n_blocknr); new_bh = sb_getblk(sb, *blocknr);
RFALSE(buffer_dirty(p_s_new_bh) || RFALSE(buffer_dirty(new_bh) ||
buffer_journaled(p_s_new_bh) || buffer_journaled(new_bh) ||
buffer_journal_dirty(p_s_new_bh), buffer_journal_dirty(new_bh),
"PAP-8140: journlaled or dirty buffer %b for the new block", "PAP-8140: journlaled or dirty buffer %b for the new block",
p_s_new_bh); new_bh);
/* Put empty buffers into the array. */ /* Put empty buffers into the array. */
RFALSE(tb->FEB[tb->cur_blknum], RFALSE(tb->FEB[tb->cur_blknum],
"PAP-8141: busy slot for new buffer"); "PAP-8141: busy slot for new buffer");
set_buffer_journal_new(p_s_new_bh); set_buffer_journal_new(new_bh);
tb->FEB[tb->cur_blknum++] = p_s_new_bh; tb->FEB[tb->cur_blknum++] = new_bh;
} }
if (n_retval == CARRY_ON && FILESYSTEM_CHANGED_TB(tb)) if (n_retval == CARRY_ON && FILESYSTEM_CHANGED_TB(tb))
...@@ -898,7 +898,7 @@ static int get_rfree(struct tree_balance *tb, int h) ...@@ -898,7 +898,7 @@ static int get_rfree(struct tree_balance *tb, int h)
/* Check whether left neighbor is in memory. */ /* Check whether left neighbor is in memory. */
static int is_left_neighbor_in_cache(struct tree_balance *tb, int n_h) static int is_left_neighbor_in_cache(struct tree_balance *tb, int n_h)
{ {
struct buffer_head *p_s_father, *left; struct buffer_head *father, *left;
struct super_block *sb = tb->tb_sb; struct super_block *sb = tb->tb_sb;
b_blocknr_t n_left_neighbor_blocknr; b_blocknr_t n_left_neighbor_blocknr;
int n_left_neighbor_position; int n_left_neighbor_position;
...@@ -908,18 +908,18 @@ static int is_left_neighbor_in_cache(struct tree_balance *tb, int n_h) ...@@ -908,18 +908,18 @@ static int is_left_neighbor_in_cache(struct tree_balance *tb, int n_h)
return 0; return 0;
/* Calculate father of the node to be balanced. */ /* Calculate father of the node to be balanced. */
p_s_father = PATH_H_PBUFFER(tb->tb_path, n_h + 1); father = PATH_H_PBUFFER(tb->tb_path, n_h + 1);
RFALSE(!p_s_father || RFALSE(!father ||
!B_IS_IN_TREE(p_s_father) || !B_IS_IN_TREE(father) ||
!B_IS_IN_TREE(tb->FL[n_h]) || !B_IS_IN_TREE(tb->FL[n_h]) ||
!buffer_uptodate(p_s_father) || !buffer_uptodate(father) ||
!buffer_uptodate(tb->FL[n_h]), !buffer_uptodate(tb->FL[n_h]),
"vs-8165: F[h] (%b) or FL[h] (%b) is invalid", "vs-8165: F[h] (%b) or FL[h] (%b) is invalid",
p_s_father, tb->FL[n_h]); father, tb->FL[n_h]);
/* Get position of the pointer to the left neighbor into the left father. */ /* Get position of the pointer to the left neighbor into the left father. */
n_left_neighbor_position = (p_s_father == tb->FL[n_h]) ? n_left_neighbor_position = (father == tb->FL[n_h]) ?
tb->lkey[n_h] : B_NR_ITEMS(tb->FL[n_h]); tb->lkey[n_h] : B_NR_ITEMS(tb->FL[n_h]);
/* Get left neighbor block number. */ /* Get left neighbor block number. */
n_left_neighbor_blocknr = n_left_neighbor_blocknr =
...@@ -940,10 +940,10 @@ static int is_left_neighbor_in_cache(struct tree_balance *tb, int n_h) ...@@ -940,10 +940,10 @@ static int is_left_neighbor_in_cache(struct tree_balance *tb, int n_h)
#define LEFT_PARENTS 'l' #define LEFT_PARENTS 'l'
#define RIGHT_PARENTS 'r' #define RIGHT_PARENTS 'r'
static void decrement_key(struct cpu_key *p_s_key) static void decrement_key(struct cpu_key *key)
{ {
// call item specific function for this key // call item specific function for this key
item_ops[cpu_key_k_type(p_s_key)]->decrement_key(p_s_key); item_ops[cpu_key_k_type(key)]->decrement_key(key);
} }
/* Calculate far left/right parent of the left/right neighbor of the current node, that /* Calculate far left/right parent of the left/right neighbor of the current node, that
...@@ -956,17 +956,17 @@ static void decrement_key(struct cpu_key *p_s_key) ...@@ -956,17 +956,17 @@ static void decrement_key(struct cpu_key *p_s_key)
*/ */
static int get_far_parent(struct tree_balance *tb, static int get_far_parent(struct tree_balance *tb,
int n_h, int n_h,
struct buffer_head **pp_s_father, struct buffer_head **pfather,
struct buffer_head **pp_s_com_father, char c_lr_par) struct buffer_head **pcom_father, char c_lr_par)
{ {
struct buffer_head *p_s_parent; struct buffer_head *parent;
INITIALIZE_PATH(s_path_to_neighbor_father); INITIALIZE_PATH(s_path_to_neighbor_father);
struct treepath *p_s_path = tb->tb_path; struct treepath *path = tb->tb_path;
struct cpu_key s_lr_father_key; struct cpu_key s_lr_father_key;
int n_counter, int n_counter,
n_position = INT_MAX, n_position = INT_MAX,
n_first_last_position = 0, n_first_last_position = 0,
n_path_offset = PATH_H_PATH_OFFSET(p_s_path, n_h); n_path_offset = PATH_H_PATH_OFFSET(path, n_h);
/* Starting from F[n_h] go upwards in the tree, and look for the common /* Starting from F[n_h] go upwards in the tree, and look for the common
ancestor of F[n_h], and its neighbor l/r, that should be obtained. */ ancestor of F[n_h], and its neighbor l/r, that should be obtained. */
...@@ -979,25 +979,25 @@ static int get_far_parent(struct tree_balance *tb, ...@@ -979,25 +979,25 @@ static int get_far_parent(struct tree_balance *tb,
for (; n_counter > FIRST_PATH_ELEMENT_OFFSET; n_counter--) { for (; n_counter > FIRST_PATH_ELEMENT_OFFSET; n_counter--) {
/* Check whether parent of the current buffer in the path is really parent in the tree. */ /* Check whether parent of the current buffer in the path is really parent in the tree. */
if (!B_IS_IN_TREE if (!B_IS_IN_TREE
(p_s_parent = PATH_OFFSET_PBUFFER(p_s_path, n_counter - 1))) (parent = PATH_OFFSET_PBUFFER(path, n_counter - 1)))
return REPEAT_SEARCH; return REPEAT_SEARCH;
/* Check whether position in the parent is correct. */ /* Check whether position in the parent is correct. */
if ((n_position = if ((n_position =
PATH_OFFSET_POSITION(p_s_path, PATH_OFFSET_POSITION(path,
n_counter - 1)) > n_counter - 1)) >
B_NR_ITEMS(p_s_parent)) B_NR_ITEMS(parent))
return REPEAT_SEARCH; return REPEAT_SEARCH;
/* Check whether parent at the path really points to the child. */ /* Check whether parent at the path really points to the child. */
if (B_N_CHILD_NUM(p_s_parent, n_position) != if (B_N_CHILD_NUM(parent, n_position) !=
PATH_OFFSET_PBUFFER(p_s_path, n_counter)->b_blocknr) PATH_OFFSET_PBUFFER(path, n_counter)->b_blocknr)
return REPEAT_SEARCH; return REPEAT_SEARCH;
/* Return delimiting key if position in the parent is not equal to first/last one. */ /* Return delimiting key if position in the parent is not equal to first/last one. */
if (c_lr_par == RIGHT_PARENTS) if (c_lr_par == RIGHT_PARENTS)
n_first_last_position = B_NR_ITEMS(p_s_parent); n_first_last_position = B_NR_ITEMS(parent);
if (n_position != n_first_last_position) { if (n_position != n_first_last_position) {
*pp_s_com_father = p_s_parent; *pcom_father = parent;
get_bh(*pp_s_com_father); get_bh(*pcom_father);
/*(*pp_s_com_father = p_s_parent)->b_count++; */ /*(*pcom_father = parent)->b_count++; */
break; break;
} }
} }
...@@ -1009,22 +1009,22 @@ static int get_far_parent(struct tree_balance *tb, ...@@ -1009,22 +1009,22 @@ static int get_far_parent(struct tree_balance *tb,
(tb->tb_path, (tb->tb_path,
FIRST_PATH_ELEMENT_OFFSET)->b_blocknr == FIRST_PATH_ELEMENT_OFFSET)->b_blocknr ==
SB_ROOT_BLOCK(tb->tb_sb)) { SB_ROOT_BLOCK(tb->tb_sb)) {
*pp_s_father = *pp_s_com_father = NULL; *pfather = *pcom_father = NULL;
return CARRY_ON; return CARRY_ON;
} }
return REPEAT_SEARCH; return REPEAT_SEARCH;
} }
RFALSE(B_LEVEL(*pp_s_com_father) <= DISK_LEAF_NODE_LEVEL, RFALSE(B_LEVEL(*pcom_father) <= DISK_LEAF_NODE_LEVEL,
"PAP-8185: (%b %z) level too small", "PAP-8185: (%b %z) level too small",
*pp_s_com_father, *pp_s_com_father); *pcom_father, *pcom_father);
/* Check whether the common parent is locked. */ /* Check whether the common parent is locked. */
if (buffer_locked(*pp_s_com_father)) { if (buffer_locked(*pcom_father)) {
__wait_on_buffer(*pp_s_com_father); __wait_on_buffer(*pcom_father);
if (FILESYSTEM_CHANGED_TB(tb)) { if (FILESYSTEM_CHANGED_TB(tb)) {
brelse(*pp_s_com_father); brelse(*pcom_father);
return REPEAT_SEARCH; return REPEAT_SEARCH;
} }
} }
...@@ -1034,7 +1034,7 @@ static int get_far_parent(struct tree_balance *tb, ...@@ -1034,7 +1034,7 @@ static int get_far_parent(struct tree_balance *tb,
/* Form key to get parent of the left/right neighbor. */ /* Form key to get parent of the left/right neighbor. */
le_key2cpu_key(&s_lr_father_key, le_key2cpu_key(&s_lr_father_key,
B_N_PDELIM_KEY(*pp_s_com_father, B_N_PDELIM_KEY(*pcom_father,
(c_lr_par == (c_lr_par ==
LEFT_PARENTS) ? (tb->lkey[n_h - 1] = LEFT_PARENTS) ? (tb->lkey[n_h - 1] =
n_position - n_position -
...@@ -1053,14 +1053,14 @@ static int get_far_parent(struct tree_balance *tb, ...@@ -1053,14 +1053,14 @@ static int get_far_parent(struct tree_balance *tb,
if (FILESYSTEM_CHANGED_TB(tb)) { if (FILESYSTEM_CHANGED_TB(tb)) {
pathrelse(&s_path_to_neighbor_father); pathrelse(&s_path_to_neighbor_father);
brelse(*pp_s_com_father); brelse(*pcom_father);
return REPEAT_SEARCH; return REPEAT_SEARCH;
} }
*pp_s_father = PATH_PLAST_BUFFER(&s_path_to_neighbor_father); *pfather = PATH_PLAST_BUFFER(&s_path_to_neighbor_father);
RFALSE(B_LEVEL(*pp_s_father) != n_h + 1, RFALSE(B_LEVEL(*pfather) != n_h + 1,
"PAP-8190: (%b %z) level too small", *pp_s_father, *pp_s_father); "PAP-8190: (%b %z) level too small", *pfather, *pfather);
RFALSE(s_path_to_neighbor_father.path_length < RFALSE(s_path_to_neighbor_father.path_length <
FIRST_PATH_ELEMENT_OFFSET, "PAP-8192: path length is too small"); FIRST_PATH_ELEMENT_OFFSET, "PAP-8192: path length is too small");
...@@ -1078,11 +1078,11 @@ static int get_far_parent(struct tree_balance *tb, ...@@ -1078,11 +1078,11 @@ static int get_far_parent(struct tree_balance *tb,
*/ */
static int get_parents(struct tree_balance *tb, int n_h) static int get_parents(struct tree_balance *tb, int n_h)
{ {
struct treepath *p_s_path = tb->tb_path; struct treepath *path = tb->tb_path;
int n_position, int n_position,
n_ret_value, n_ret_value,
n_path_offset = PATH_H_PATH_OFFSET(tb->tb_path, n_h); n_path_offset = PATH_H_PATH_OFFSET(tb->tb_path, n_h);
struct buffer_head *p_s_curf, *p_s_curcf; struct buffer_head *curf, *curcf;
/* Current node is the root of the tree or will be root of the tree */ /* Current node is the root of the tree or will be root of the tree */
if (n_path_offset <= FIRST_PATH_ELEMENT_OFFSET) { if (n_path_offset <= FIRST_PATH_ELEMENT_OFFSET) {
...@@ -1100,66 +1100,65 @@ static int get_parents(struct tree_balance *tb, int n_h) ...@@ -1100,66 +1100,65 @@ static int get_parents(struct tree_balance *tb, int n_h)
} }
/* Get parent FL[n_path_offset] of L[n_path_offset]. */ /* Get parent FL[n_path_offset] of L[n_path_offset]. */
if ((n_position = PATH_OFFSET_POSITION(p_s_path, n_path_offset - 1))) { n_position = PATH_OFFSET_POSITION(path, n_path_offset - 1);
if (n_position) {
/* Current node is not the first child of its parent. */ /* Current node is not the first child of its parent. */
/*(p_s_curf = p_s_curcf = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1))->b_count += 2; */ curf = PATH_OFFSET_PBUFFER(path, n_path_offset - 1);
p_s_curf = p_s_curcf = curcf = PATH_OFFSET_PBUFFER(path, n_path_offset - 1);
PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1); get_bh(curf);
get_bh(p_s_curf); get_bh(curf);
get_bh(p_s_curf);
tb->lkey[n_h] = n_position - 1; tb->lkey[n_h] = n_position - 1;
} else { } else {
/* Calculate current parent of L[n_path_offset], which is the left neighbor of the current node. /* Calculate current parent of L[n_path_offset], which is the left neighbor of the current node.
Calculate current common parent of L[n_path_offset] and the current node. Note that Calculate current common parent of L[n_path_offset] and the current node. Note that
CFL[n_path_offset] not equal FL[n_path_offset] and CFL[n_path_offset] not equal F[n_path_offset]. CFL[n_path_offset] not equal FL[n_path_offset] and CFL[n_path_offset] not equal F[n_path_offset].
Calculate lkey[n_path_offset]. */ Calculate lkey[n_path_offset]. */
if ((n_ret_value = get_far_parent(tb, n_h + 1, &p_s_curf, if ((n_ret_value = get_far_parent(tb, n_h + 1, &curf,
&p_s_curcf, &curcf,
LEFT_PARENTS)) != CARRY_ON) LEFT_PARENTS)) != CARRY_ON)
return n_ret_value; return n_ret_value;
} }
brelse(tb->FL[n_h]); brelse(tb->FL[n_h]);
tb->FL[n_h] = p_s_curf; /* New initialization of FL[n_h]. */ tb->FL[n_h] = curf; /* New initialization of FL[n_h]. */
brelse(tb->CFL[n_h]); brelse(tb->CFL[n_h]);
tb->CFL[n_h] = p_s_curcf; /* New initialization of CFL[n_h]. */ tb->CFL[n_h] = curcf; /* New initialization of CFL[n_h]. */
RFALSE((p_s_curf && !B_IS_IN_TREE(p_s_curf)) || RFALSE((curf && !B_IS_IN_TREE(curf)) ||
(p_s_curcf && !B_IS_IN_TREE(p_s_curcf)), (curcf && !B_IS_IN_TREE(curcf)),
"PAP-8195: FL (%b) or CFL (%b) is invalid", p_s_curf, p_s_curcf); "PAP-8195: FL (%b) or CFL (%b) is invalid", curf, curcf);
/* Get parent FR[n_h] of R[n_h]. */ /* Get parent FR[n_h] of R[n_h]. */
/* Current node is the last child of F[n_h]. FR[n_h] != F[n_h]. */ /* Current node is the last child of F[n_h]. FR[n_h] != F[n_h]. */
if (n_position == B_NR_ITEMS(PATH_H_PBUFFER(p_s_path, n_h + 1))) { if (n_position == B_NR_ITEMS(PATH_H_PBUFFER(path, n_h + 1))) {
/* Calculate current parent of R[n_h], which is the right neighbor of F[n_h]. /* Calculate current parent of R[n_h], which is the right neighbor of F[n_h].
Calculate current common parent of R[n_h] and current node. Note that CFR[n_h] Calculate current common parent of R[n_h] and current node. Note that CFR[n_h]
not equal FR[n_path_offset] and CFR[n_h] not equal F[n_h]. */ not equal FR[n_path_offset] and CFR[n_h] not equal F[n_h]. */
if ((n_ret_value = if ((n_ret_value =
get_far_parent(tb, n_h + 1, &p_s_curf, &p_s_curcf, get_far_parent(tb, n_h + 1, &curf, &curcf,
RIGHT_PARENTS)) != CARRY_ON) RIGHT_PARENTS)) != CARRY_ON)
return n_ret_value; return n_ret_value;
} else { } else {
/* Current node is not the last child of its parent F[n_h]. */ /* Current node is not the last child of its parent F[n_h]. */
/*(p_s_curf = p_s_curcf = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1))->b_count += 2; */ curf = PATH_OFFSET_PBUFFER(path, n_path_offset - 1);
p_s_curf = p_s_curcf = curcf = PATH_OFFSET_PBUFFER(path, n_path_offset - 1);
PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1); get_bh(curf);
get_bh(p_s_curf); get_bh(curf);
get_bh(p_s_curf);
tb->rkey[n_h] = n_position; tb->rkey[n_h] = n_position;
} }
brelse(tb->FR[n_h]); brelse(tb->FR[n_h]);
/* New initialization of FR[n_path_offset]. */ /* New initialization of FR[n_path_offset]. */
tb->FR[n_h] = p_s_curf; tb->FR[n_h] = curf;
brelse(tb->CFR[n_h]); brelse(tb->CFR[n_h]);
/* New initialization of CFR[n_path_offset]. */ /* New initialization of CFR[n_path_offset]. */
tb->CFR[n_h] = p_s_curcf; tb->CFR[n_h] = curcf;
RFALSE((p_s_curf && !B_IS_IN_TREE(p_s_curf)) || RFALSE((curf && !B_IS_IN_TREE(curf)) ||
(p_s_curcf && !B_IS_IN_TREE(p_s_curcf)), (curcf && !B_IS_IN_TREE(curcf)),
"PAP-8205: FR (%b) or CFR (%b) is invalid", p_s_curf, p_s_curcf); "PAP-8205: FR (%b) or CFR (%b) is invalid", curf, curcf);
return CARRY_ON; return CARRY_ON;
} }
...@@ -1893,7 +1892,7 @@ static int check_balance(int mode, ...@@ -1893,7 +1892,7 @@ static int check_balance(int mode,
static int get_direct_parent(struct tree_balance *tb, int n_h) static int get_direct_parent(struct tree_balance *tb, int n_h)
{ {
struct buffer_head *bh; struct buffer_head *bh;
struct treepath *p_s_path = tb->tb_path; struct treepath *path = tb->tb_path;
int n_position, int n_position,
n_path_offset = PATH_H_PATH_OFFSET(tb->tb_path, n_h); n_path_offset = PATH_H_PATH_OFFSET(tb->tb_path, n_h);
...@@ -1903,27 +1902,27 @@ static int get_direct_parent(struct tree_balance *tb, int n_h) ...@@ -1903,27 +1902,27 @@ static int get_direct_parent(struct tree_balance *tb, int n_h)
RFALSE(n_path_offset < FIRST_PATH_ELEMENT_OFFSET - 1, RFALSE(n_path_offset < FIRST_PATH_ELEMENT_OFFSET - 1,
"PAP-8260: invalid offset in the path"); "PAP-8260: invalid offset in the path");
if (PATH_OFFSET_PBUFFER(p_s_path, FIRST_PATH_ELEMENT_OFFSET)-> if (PATH_OFFSET_PBUFFER(path, FIRST_PATH_ELEMENT_OFFSET)->
b_blocknr == SB_ROOT_BLOCK(tb->tb_sb)) { b_blocknr == SB_ROOT_BLOCK(tb->tb_sb)) {
/* Root is not changed. */ /* Root is not changed. */
PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1) = NULL; PATH_OFFSET_PBUFFER(path, n_path_offset - 1) = NULL;
PATH_OFFSET_POSITION(p_s_path, n_path_offset - 1) = 0; PATH_OFFSET_POSITION(path, n_path_offset - 1) = 0;
return CARRY_ON; return CARRY_ON;
} }
return REPEAT_SEARCH; /* Root is changed and we must recalculate the path. */ return REPEAT_SEARCH; /* Root is changed and we must recalculate the path. */
} }
if (!B_IS_IN_TREE if (!B_IS_IN_TREE
(bh = PATH_OFFSET_PBUFFER(p_s_path, n_path_offset - 1))) (bh = PATH_OFFSET_PBUFFER(path, n_path_offset - 1)))
return REPEAT_SEARCH; /* Parent in the path is not in the tree. */ return REPEAT_SEARCH; /* Parent in the path is not in the tree. */
if ((n_position = if ((n_position =
PATH_OFFSET_POSITION(p_s_path, PATH_OFFSET_POSITION(path,
n_path_offset - 1)) > B_NR_ITEMS(bh)) n_path_offset - 1)) > B_NR_ITEMS(bh))
return REPEAT_SEARCH; return REPEAT_SEARCH;
if (B_N_CHILD_NUM(bh, n_position) != if (B_N_CHILD_NUM(bh, n_position) !=
PATH_OFFSET_PBUFFER(p_s_path, n_path_offset)->b_blocknr) PATH_OFFSET_PBUFFER(path, n_path_offset)->b_blocknr)
/* Parent in the path is not parent of the current node in the tree. */ /* Parent in the path is not parent of the current node in the tree. */
return REPEAT_SEARCH; return REPEAT_SEARCH;
...@@ -2319,7 +2318,7 @@ static int wait_tb_buffers_until_unlocked(struct tree_balance *tb) ...@@ -2319,7 +2318,7 @@ static int wait_tb_buffers_until_unlocked(struct tree_balance *tb)
*/ */
int fix_nodes(int n_op_mode, struct tree_balance *tb, int fix_nodes(int n_op_mode, struct tree_balance *tb,
struct item_head *p_s_ins_ih, const void *data) struct item_head *ins_ih, const void *data)
{ {
int n_ret_value, n_h, n_item_num = PATH_LAST_POSITION(tb->tb_path); int n_ret_value, n_h, n_item_num = PATH_LAST_POSITION(tb->tb_path);
int n_pos_in_item; int n_pos_in_item;
...@@ -2405,7 +2404,7 @@ int fix_nodes(int n_op_mode, struct tree_balance *tb, ...@@ -2405,7 +2404,7 @@ int fix_nodes(int n_op_mode, struct tree_balance *tb,
goto repeat; goto repeat;
n_ret_value = check_balance(n_op_mode, tb, n_h, n_item_num, n_ret_value = check_balance(n_op_mode, tb, n_h, n_item_num,
n_pos_in_item, p_s_ins_ih, data); n_pos_in_item, ins_ih, data);
if (n_ret_value != CARRY_ON) { if (n_ret_value != CARRY_ON) {
if (n_ret_value == NO_BALANCING_NEEDED) { if (n_ret_value == NO_BALANCING_NEEDED) {
/* No balancing for higher levels needed. */ /* No balancing for higher levels needed. */
......
fs/reiserfs/stree.c
浏览文件 @ d68caa95
...@@ -68,10 +68,10 @@ inline int B_IS_IN_TREE(const struct buffer_head *bh) ...@@ -68,10 +68,10 @@ inline int B_IS_IN_TREE(const struct buffer_head *bh)
// //
// to gets item head in le form // to gets item head in le form
// //
inline void copy_item_head(struct item_head *p_v_to, inline void copy_item_head(struct item_head *to,
const struct item_head *p_v_from) const struct item_head *from)
{ {
memcpy(p_v_to, p_v_from, IH_SIZE); memcpy(to, from, IH_SIZE);
} }
/* k1 is pointer to on-disk structure which is stored in little-endian /* k1 is pointer to on-disk structure which is stored in little-endian
...@@ -135,15 +135,15 @@ static inline int comp_keys(const struct reiserfs_key *le_key, ...@@ -135,15 +135,15 @@ static inline int comp_keys(const struct reiserfs_key *le_key,
inline int comp_short_le_keys(const struct reiserfs_key *key1, inline int comp_short_le_keys(const struct reiserfs_key *key1,
const struct reiserfs_key *key2) const struct reiserfs_key *key2)
{ {
__u32 *p_s_1_u32, *p_s_2_u32; __u32 *k1_u32, *k2_u32;
int n_key_length = REISERFS_SHORT_KEY_LEN; int n_key_length = REISERFS_SHORT_KEY_LEN;
p_s_1_u32 = (__u32 *) key1; k1_u32 = (__u32 *) key1;
p_s_2_u32 = (__u32 *) key2; k2_u32 = (__u32 *) key2;
for (; n_key_length--; ++p_s_1_u32, ++p_s_2_u32) { for (; n_key_length--; ++k1_u32, ++k2_u32) {
if (le32_to_cpu(*p_s_1_u32) < le32_to_cpu(*p_s_2_u32)) if (le32_to_cpu(*k1_u32) < le32_to_cpu(*k2_u32))
return -1; return -1;
if (le32_to_cpu(*p_s_1_u32) > le32_to_cpu(*p_s_2_u32)) if (le32_to_cpu(*k1_u32) > le32_to_cpu(*k2_u32))
return 1; return 1;
} }
return 0; return 0;
...@@ -174,8 +174,8 @@ inline int comp_le_keys(const struct reiserfs_key *k1, ...@@ -174,8 +174,8 @@ inline int comp_le_keys(const struct reiserfs_key *k1,
* Binary search toolkit function * * Binary search toolkit function *
* Search for an item in the array by the item key * * Search for an item in the array by the item key *
* Returns: 1 if found, 0 if not found; * * Returns: 1 if found, 0 if not found; *
* *p_n_pos = number of the searched element if found, else the * * *pos = number of the searched element if found, else the *
* number of the first element that is larger than p_v_key. * * number of the first element that is larger than key. *
**************************************************************************/ **************************************************************************/
/* For those not familiar with binary search: n_lbound is the leftmost item that it /* For those not familiar with binary search: n_lbound is the leftmost item that it
could be, n_rbound the rightmost item that it could be. We examine the item could be, n_rbound the rightmost item that it could be. We examine the item
...@@ -184,28 +184,28 @@ inline int comp_le_keys(const struct reiserfs_key *k1, ...@@ -184,28 +184,28 @@ inline int comp_le_keys(const struct reiserfs_key *k1,
there are no possible items, and we have not found it. With each examination we there are no possible items, and we have not found it. With each examination we
cut the number of possible items it could be by one more than half rounded down, cut the number of possible items it could be by one more than half rounded down,
or we find it. */ or we find it. */
static inline int bin_search(const void *p_v_key, /* Key to search for. */ static inline int bin_search(const void *key, /* Key to search for. */
const void *p_v_base, /* First item in the array. */ const void *base, /* First item in the array. */
int p_n_num, /* Number of items in the array. */ int num, /* Number of items in the array. */
int p_n_width, /* Item size in the array. int width, /* Item size in the array.
searched. Lest the reader be searched. Lest the reader be
confused, note that this is crafted confused, note that this is crafted
as a general function, and when it as a general function, and when it
is applied specifically to the array is applied specifically to the array
of item headers in a node, p_n_width of item headers in a node, width
is actually the item header size not is actually the item header size not
the item size. */ the item size. */
int *p_n_pos /* Number of the searched for element. */ int *pos /* Number of the searched for element. */
) )
{ {
int n_rbound, n_lbound, n_j; int n_rbound, n_lbound, n_j;
for (n_j = ((n_rbound = p_n_num - 1) + (n_lbound = 0)) / 2; for (n_j = ((n_rbound = num - 1) + (n_lbound = 0)) / 2;
n_lbound <= n_rbound; n_j = (n_rbound + n_lbound) / 2) n_lbound <= n_rbound; n_j = (n_rbound + n_lbound) / 2)
switch (comp_keys switch (comp_keys
((struct reiserfs_key *)((char *)p_v_base + ((struct reiserfs_key *)((char *)base +
n_j * p_n_width), n_j * width),
(struct cpu_key *)p_v_key)) { (struct cpu_key *)key)) {
case -1: case -1:
n_lbound = n_j + 1; n_lbound = n_j + 1;
continue; continue;
...@@ -213,13 +213,13 @@ static inline int bin_search(const void *p_v_key, /* Key to search for. ...@@ -213,13 +213,13 @@ static inline int bin_search(const void *p_v_key, /* Key to search for.
n_rbound = n_j - 1; n_rbound = n_j - 1;
continue; continue;
case 0: case 0:
*p_n_pos = n_j; *pos = n_j;
return ITEM_FOUND; /* Key found in the array. */ return ITEM_FOUND; /* Key found in the array. */
} }
/* bin_search did not find given key, it returns position of key, /* bin_search did not find given key, it returns position of key,
that is minimal and greater than the given one. */ that is minimal and greater than the given one. */
*p_n_pos = n_lbound; *pos = n_lbound;
return ITEM_NOT_FOUND; return ITEM_NOT_FOUND;
} }
...@@ -243,12 +243,12 @@ static const struct reiserfs_key MAX_KEY = { ...@@ -243,12 +243,12 @@ static const struct reiserfs_key MAX_KEY = {
the path, there is no delimiting key in the tree (buffer is first or last buffer in tree), and in this the path, there is no delimiting key in the tree (buffer is first or last buffer in tree), and in this
case we return a special key, either MIN_KEY or MAX_KEY. */ case we return a special key, either MIN_KEY or MAX_KEY. */
static inline const struct reiserfs_key *get_lkey(const struct treepath static inline const struct reiserfs_key *get_lkey(const struct treepath
*p_s_chk_path, *chk_path,
const struct super_block const struct super_block
*sb) *sb)
{ {
int n_position, n_path_offset = p_s_chk_path->path_length; int n_position, n_path_offset = chk_path->path_length;
struct buffer_head *p_s_parent; struct buffer_head *parent;
RFALSE(n_path_offset < FIRST_PATH_ELEMENT_OFFSET, RFALSE(n_path_offset < FIRST_PATH_ELEMENT_OFFSET,
"PAP-5010: invalid offset in the path"); "PAP-5010: invalid offset in the path");
...@@ -257,42 +257,42 @@ static inline const struct reiserfs_key *get_lkey(const struct treepath ...@@ -257,42 +257,42 @@ static inline const struct reiserfs_key *get_lkey(const struct treepath
while (n_path_offset-- > FIRST_PATH_ELEMENT_OFFSET) { while (n_path_offset-- > FIRST_PATH_ELEMENT_OFFSET) {
RFALSE(!buffer_uptodate RFALSE(!buffer_uptodate
(PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset)), (PATH_OFFSET_PBUFFER(chk_path, n_path_offset)),
"PAP-5020: parent is not uptodate"); "PAP-5020: parent is not uptodate");
/* Parent at the path is not in the tree now. */ /* Parent at the path is not in the tree now. */
if (!B_IS_IN_TREE if (!B_IS_IN_TREE
(p_s_parent = (parent =
PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset))) PATH_OFFSET_PBUFFER(chk_path, n_path_offset)))
return &MAX_KEY; return &MAX_KEY;
/* Check whether position in the parent is correct. */ /* Check whether position in the parent is correct. */
if ((n_position = if ((n_position =
PATH_OFFSET_POSITION(p_s_chk_path, PATH_OFFSET_POSITION(chk_path,
n_path_offset)) > n_path_offset)) >
B_NR_ITEMS(p_s_parent)) B_NR_ITEMS(parent))
return &MAX_KEY; return &MAX_KEY;
/* Check whether parent at the path really points to the child. */ /* Check whether parent at the path really points to the child. */
if (B_N_CHILD_NUM(p_s_parent, n_position) != if (B_N_CHILD_NUM(parent, n_position) !=
PATH_OFFSET_PBUFFER(p_s_chk_path, PATH_OFFSET_PBUFFER(chk_path,
n_path_offset + 1)->b_blocknr) n_path_offset + 1)->b_blocknr)
return &MAX_KEY; return &MAX_KEY;
/* Return delimiting key if position in the parent is not equal to zero. */ /* Return delimiting key if position in the parent is not equal to zero. */
if (n_position) if (n_position)
return B_N_PDELIM_KEY(p_s_parent, n_position - 1); return B_N_PDELIM_KEY(parent, n_position - 1);
} }
/* Return MIN_KEY if we are in the root of the buffer tree. */ /* Return MIN_KEY if we are in the root of the buffer tree. */
if (PATH_OFFSET_PBUFFER(p_s_chk_path, FIRST_PATH_ELEMENT_OFFSET)-> if (PATH_OFFSET_PBUFFER(chk_path, FIRST_PATH_ELEMENT_OFFSET)->
b_blocknr == SB_ROOT_BLOCK(sb)) b_blocknr == SB_ROOT_BLOCK(sb))
return &MIN_KEY; return &MIN_KEY;
return &MAX_KEY; return &MAX_KEY;
} }
/* Get delimiting key of the buffer at the path and its right neighbor. */ /* Get delimiting key of the buffer at the path and its right neighbor. */
inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path, inline const struct reiserfs_key *get_rkey(const struct treepath *chk_path,
const struct super_block *sb) const struct super_block *sb)
{ {
int n_position, n_path_offset = p_s_chk_path->path_length; int n_position, n_path_offset = chk_path->path_length;
struct buffer_head *p_s_parent; struct buffer_head *parent;
RFALSE(n_path_offset < FIRST_PATH_ELEMENT_OFFSET, RFALSE(n_path_offset < FIRST_PATH_ELEMENT_OFFSET,
"PAP-5030: invalid offset in the path"); "PAP-5030: invalid offset in the path");
...@@ -300,31 +300,31 @@ inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path, ...@@ -300,31 +300,31 @@ inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path,
while (n_path_offset-- > FIRST_PATH_ELEMENT_OFFSET) { while (n_path_offset-- > FIRST_PATH_ELEMENT_OFFSET) {
RFALSE(!buffer_uptodate RFALSE(!buffer_uptodate
(PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset)), (PATH_OFFSET_PBUFFER(chk_path, n_path_offset)),
"PAP-5040: parent is not uptodate"); "PAP-5040: parent is not uptodate");
/* Parent at the path is not in the tree now. */ /* Parent at the path is not in the tree now. */
if (!B_IS_IN_TREE if (!B_IS_IN_TREE
(p_s_parent = (parent =
PATH_OFFSET_PBUFFER(p_s_chk_path, n_path_offset))) PATH_OFFSET_PBUFFER(chk_path, n_path_offset)))
return &MIN_KEY; return &MIN_KEY;
/* Check whether position in the parent is correct. */ /* Check whether position in the parent is correct. */
if ((n_position = if ((n_position =
PATH_OFFSET_POSITION(p_s_chk_path, PATH_OFFSET_POSITION(chk_path,
n_path_offset)) > n_path_offset)) >
B_NR_ITEMS(p_s_parent)) B_NR_ITEMS(parent))
return &MIN_KEY; return &MIN_KEY;
/* Check whether parent at the path really points to the child. */ /* Check whether parent at the path really points to the child. */
if (B_N_CHILD_NUM(p_s_parent, n_position) != if (B_N_CHILD_NUM(parent, n_position) !=
PATH_OFFSET_PBUFFER(p_s_chk_path, PATH_OFFSET_PBUFFER(chk_path,
n_path_offset + 1)->b_blocknr) n_path_offset + 1)->b_blocknr)
return &MIN_KEY; return &MIN_KEY;
/* Return delimiting key if position in the parent is not the last one. */ /* Return delimiting key if position in the parent is not the last one. */
if (n_position != B_NR_ITEMS(p_s_parent)) if (n_position != B_NR_ITEMS(parent))
return B_N_PDELIM_KEY(p_s_parent, n_position); return B_N_PDELIM_KEY(parent, n_position);
} }
/* Return MAX_KEY if we are in the root of the buffer tree. */ /* Return MAX_KEY if we are in the root of the buffer tree. */
if (PATH_OFFSET_PBUFFER(p_s_chk_path, FIRST_PATH_ELEMENT_OFFSET)-> if (PATH_OFFSET_PBUFFER(chk_path, FIRST_PATH_ELEMENT_OFFSET)->
b_blocknr == SB_ROOT_BLOCK(sb)) b_blocknr == SB_ROOT_BLOCK(sb))
return &MAX_KEY; return &MAX_KEY;
return &MIN_KEY; return &MIN_KEY;
...@@ -335,25 +335,25 @@ inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path, ...@@ -335,25 +335,25 @@ inline const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path,
the path. These delimiting keys are stored at least one level above that buffer in the tree. If the the path. These delimiting keys are stored at least one level above that buffer in the tree. If the
buffer is the first or last node in the tree order then one of the delimiting keys may be absent, and in buffer is the first or last node in the tree order then one of the delimiting keys may be absent, and in
this case get_lkey and get_rkey return a special key which is MIN_KEY or MAX_KEY. */ this case get_lkey and get_rkey return a special key which is MIN_KEY or MAX_KEY. */
static inline int key_in_buffer(struct treepath *p_s_chk_path, /* Path which should be checked. */ static inline int key_in_buffer(struct treepath *chk_path, /* Path which should be checked. */
const struct cpu_key *p_s_key, /* Key which should be checked. */ const struct cpu_key *key, /* Key which should be checked. */
struct super_block *sb /* Super block pointer. */ struct super_block *sb
) )
{ {
RFALSE(!p_s_key || p_s_chk_path->path_length < FIRST_PATH_ELEMENT_OFFSET RFALSE(!key || chk_path->path_length < FIRST_PATH_ELEMENT_OFFSET
|| p_s_chk_path->path_length > MAX_HEIGHT, || chk_path->path_length > MAX_HEIGHT,
"PAP-5050: pointer to the key(%p) is NULL or invalid path length(%d)", "PAP-5050: pointer to the key(%p) is NULL or invalid path length(%d)",
p_s_key, p_s_chk_path->path_length); key, chk_path->path_length);
RFALSE(!PATH_PLAST_BUFFER(p_s_chk_path)->b_bdev, RFALSE(!PATH_PLAST_BUFFER(chk_path)->b_bdev,
"PAP-5060: device must not be NODEV"); "PAP-5060: device must not be NODEV");
if (comp_keys(get_lkey(p_s_chk_path, sb), p_s_key) == 1) if (comp_keys(get_lkey(chk_path, sb), key) == 1)
/* left delimiting key is bigger, that the key we look for */ /* left delimiting key is bigger, that the key we look for */
return 0; return 0;
// if ( comp_keys(p_s_key, get_rkey(p_s_chk_path, sb)) != -1 ) /* if ( comp_keys(key, get_rkey(chk_path, sb)) != -1 ) */
if (comp_keys(get_rkey(p_s_chk_path, sb), p_s_key) != 1) if (comp_keys(get_rkey(chk_path, sb), key) != 1)
/* p_s_key must be less than right delimitiing key */ /* key must be less than right delimitiing key */
return 0; return 0;
return 1; return 1;
} }
...@@ -369,34 +369,34 @@ int reiserfs_check_path(struct treepath *p) ...@@ -369,34 +369,34 @@ int reiserfs_check_path(struct treepath *p)
* dirty bits clean when preparing the buffer for the log. * dirty bits clean when preparing the buffer for the log.
* This version should only be called from fix_nodes() */ * This version should only be called from fix_nodes() */
void pathrelse_and_restore(struct super_block *sb, void pathrelse_and_restore(struct super_block *sb,
struct treepath *p_s_search_path) struct treepath *search_path)
{ {
int n_path_offset = p_s_search_path->path_length; int n_path_offset = search_path->path_length;
RFALSE(n_path_offset < ILLEGAL_PATH_ELEMENT_OFFSET, RFALSE(n_path_offset < ILLEGAL_PATH_ELEMENT_OFFSET,
"clm-4000: invalid path offset"); "clm-4000: invalid path offset");
while (n_path_offset > ILLEGAL_PATH_ELEMENT_OFFSET) { while (n_path_offset > ILLEGAL_PATH_ELEMENT_OFFSET) {
struct buffer_head *bh; struct buffer_head *bh;
bh = PATH_OFFSET_PBUFFER(p_s_search_path, n_path_offset--); bh = PATH_OFFSET_PBUFFER(search_path, n_path_offset--);
reiserfs_restore_prepared_buffer(sb, bh); reiserfs_restore_prepared_buffer(sb, bh);
brelse(bh); brelse(bh);
} }
p_s_search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET; search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
} }
/* Drop the reference to each buffer in a path */ /* Drop the reference to each buffer in a path */
void pathrelse(struct treepath *p_s_search_path) void pathrelse(struct treepath *search_path)
{ {
int n_path_offset = p_s_search_path->path_length; int n_path_offset = search_path->path_length;
RFALSE(n_path_offset < ILLEGAL_PATH_ELEMENT_OFFSET, RFALSE(n_path_offset < ILLEGAL_PATH_ELEMENT_OFFSET,
"PAP-5090: invalid path offset"); "PAP-5090: invalid path offset");
while (n_path_offset > ILLEGAL_PATH_ELEMENT_OFFSET) while (n_path_offset > ILLEGAL_PATH_ELEMENT_OFFSET)
brelse(PATH_OFFSET_PBUFFER(p_s_search_path, n_path_offset--)); brelse(PATH_OFFSET_PBUFFER(search_path, n_path_offset--));
p_s_search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET; search_path->path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
} }
static int is_leaf(char *buf, int blocksize, struct buffer_head *bh) static int is_leaf(char *buf, int blocksize, struct buffer_head *bh)
...@@ -547,9 +547,9 @@ static void search_by_key_reada(struct super_block *s, ...@@ -547,9 +547,9 @@ static void search_by_key_reada(struct super_block *s,
* Algorithm SearchByKey * * Algorithm SearchByKey *
* look for item in the Disk S+Tree by its key * * look for item in the Disk S+Tree by its key *
* Input: sb - super block * * Input: sb - super block *
* p_s_key - pointer to the key to search * * key - pointer to the key to search *
* Output: ITEM_FOUND, ITEM_NOT_FOUND or IO_ERROR * * Output: ITEM_FOUND, ITEM_NOT_FOUND or IO_ERROR *
* p_s_search_path - path from the root to the needed leaf * * search_path - path from the root to the needed leaf *
**************************************************************************/ **************************************************************************/
/* This function fills up the path from the root to the leaf as it /* This function fills up the path from the root to the leaf as it
...@@ -566,8 +566,8 @@ static void search_by_key_reada(struct super_block *s, ...@@ -566,8 +566,8 @@ static void search_by_key_reada(struct super_block *s,
correctness of the top of the path but need not be checked for the correctness of the top of the path but need not be checked for the
correctness of the bottom of the path */ correctness of the bottom of the path */
/* The function is NOT SCHEDULE-SAFE! */ /* The function is NOT SCHEDULE-SAFE! */
int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key to search. */ int search_by_key(struct super_block *sb, const struct cpu_key *key, /* Key to search. */
struct treepath *p_s_search_path,/* This structure was struct treepath *search_path,/* This structure was
allocated and initialized allocated and initialized
by the calling by the calling
function. It is filled up function. It is filled up
...@@ -580,7 +580,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -580,7 +580,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
b_blocknr_t n_block_number; b_blocknr_t n_block_number;
int expected_level; int expected_level;
struct buffer_head *bh; struct buffer_head *bh;
struct path_element *p_s_last_element; struct path_element *last_element;
int n_node_level, n_retval; int n_node_level, n_retval;
int right_neighbor_of_leaf_node; int right_neighbor_of_leaf_node;
int fs_gen; int fs_gen;
...@@ -598,7 +598,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -598,7 +598,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
we must be careful to release all nodes in a path before we either we must be careful to release all nodes in a path before we either
discard the path struct or re-use the path struct, as we do here. */ discard the path struct or re-use the path struct, as we do here. */
pathrelse(p_s_search_path); pathrelse(search_path);
right_neighbor_of_leaf_node = 0; right_neighbor_of_leaf_node = 0;
...@@ -615,18 +615,18 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -615,18 +615,18 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
"%s: there were %d iterations of " "%s: there were %d iterations of "
"while loop looking for key %K", "while loop looking for key %K",
current->comm, n_repeat_counter, current->comm, n_repeat_counter,
p_s_key); key);
#endif #endif
/* prep path to have another element added to it. */ /* prep path to have another element added to it. */
p_s_last_element = last_element =
PATH_OFFSET_PELEMENT(p_s_search_path, PATH_OFFSET_PELEMENT(search_path,
++p_s_search_path->path_length); ++search_path->path_length);
fs_gen = get_generation(sb); fs_gen = get_generation(sb);
/* Read the next tree node, and set the last element in the path to /* Read the next tree node, and set the last element in the path to
have a pointer to it. */ have a pointer to it. */
if ((bh = p_s_last_element->pe_buffer = if ((bh = last_element->pe_buffer =
sb_getblk(sb, n_block_number))) { sb_getblk(sb, n_block_number))) {
if (!buffer_uptodate(bh) && reada_count > 1) if (!buffer_uptodate(bh) && reada_count > 1)
search_by_key_reada(sb, reada_bh, search_by_key_reada(sb, reada_bh,
...@@ -637,8 +637,8 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -637,8 +637,8 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
goto io_error; goto io_error;
} else { } else {
io_error: io_error:
p_s_search_path->path_length--; search_path->path_length--;
pathrelse(p_s_search_path); pathrelse(search_path);
return IO_ERROR; return IO_ERROR;
} }
reada_count = 0; reada_count = 0;
...@@ -652,12 +652,12 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -652,12 +652,12 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
if (fs_changed(fs_gen, sb) && if (fs_changed(fs_gen, sb) &&
(!B_IS_IN_TREE(bh) || (!B_IS_IN_TREE(bh) ||
B_LEVEL(bh) != expected_level || B_LEVEL(bh) != expected_level ||
!key_in_buffer(p_s_search_path, p_s_key, sb))) { !key_in_buffer(search_path, key, sb))) {
PROC_INFO_INC(sb, search_by_key_fs_changed); PROC_INFO_INC(sb, search_by_key_fs_changed);
PROC_INFO_INC(sb, search_by_key_restarted); PROC_INFO_INC(sb, search_by_key_restarted);
PROC_INFO_INC(sb, PROC_INFO_INC(sb,
sbk_restarted[expected_level - 1]); sbk_restarted[expected_level - 1]);
pathrelse(p_s_search_path); pathrelse(search_path);
/* Get the root block number so that we can repeat the search /* Get the root block number so that we can repeat the search
starting from the root. */ starting from the root. */
...@@ -669,11 +669,11 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -669,11 +669,11 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
continue; continue;
} }
/* only check that the key is in the buffer if p_s_key is not /* only check that the key is in the buffer if key is not
equal to the MAX_KEY. Latter case is only possible in equal to the MAX_KEY. Latter case is only possible in
"finish_unfinished()" processing during mount. */ "finish_unfinished()" processing during mount. */
RFALSE(comp_keys(&MAX_KEY, p_s_key) && RFALSE(comp_keys(&MAX_KEY, key) &&
!key_in_buffer(p_s_search_path, p_s_key, sb), !key_in_buffer(search_path, key, sb),
"PAP-5130: key is not in the buffer"); "PAP-5130: key is not in the buffer");
#ifdef CONFIG_REISERFS_CHECK #ifdef CONFIG_REISERFS_CHECK
if (cur_tb) { if (cur_tb) {
...@@ -689,7 +689,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -689,7 +689,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
reiserfs_error(sb, "vs-5150", reiserfs_error(sb, "vs-5150",
"invalid format found in block %ld. " "invalid format found in block %ld. "
"Fsck?", bh->b_blocknr); "Fsck?", bh->b_blocknr);
pathrelse(p_s_search_path); pathrelse(search_path);
return IO_ERROR; return IO_ERROR;
} }
...@@ -702,12 +702,12 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -702,12 +702,12 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
"vs-5152: tree level (%d) is less than stop level (%d)", "vs-5152: tree level (%d) is less than stop level (%d)",
n_node_level, n_stop_level); n_node_level, n_stop_level);
n_retval = bin_search(p_s_key, B_N_PITEM_HEAD(bh, 0), n_retval = bin_search(key, B_N_PITEM_HEAD(bh, 0),
B_NR_ITEMS(bh), B_NR_ITEMS(bh),
(n_node_level == (n_node_level ==
DISK_LEAF_NODE_LEVEL) ? IH_SIZE : DISK_LEAF_NODE_LEVEL) ? IH_SIZE :
KEY_SIZE, KEY_SIZE,
&(p_s_last_element->pe_position)); &(last_element->pe_position));
if (n_node_level == n_stop_level) { if (n_node_level == n_stop_level) {
return n_retval; return n_retval;
} }
...@@ -715,7 +715,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -715,7 +715,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
/* we are not in the stop level */ /* we are not in the stop level */
if (n_retval == ITEM_FOUND) if (n_retval == ITEM_FOUND)
/* item has been found, so we choose the pointer which is to the right of the found one */ /* item has been found, so we choose the pointer which is to the right of the found one */
p_s_last_element->pe_position++; last_element->pe_position++;
/* if item was not found we choose the position which is to /* if item was not found we choose the position which is to
the left of the found item. This requires no code, the left of the found item. This requires no code,
...@@ -725,23 +725,23 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -725,23 +725,23 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
an internal node. Now we calculate child block number by an internal node. Now we calculate child block number by
position in the node. */ position in the node. */
n_block_number = n_block_number =
B_N_CHILD_NUM(bh, p_s_last_element->pe_position); B_N_CHILD_NUM(bh, last_element->pe_position);
/* if we are going to read leaf nodes, try for read ahead as well */ /* if we are going to read leaf nodes, try for read ahead as well */
if ((p_s_search_path->reada & PATH_READA) && if ((search_path->reada & PATH_READA) &&
n_node_level == DISK_LEAF_NODE_LEVEL + 1) { n_node_level == DISK_LEAF_NODE_LEVEL + 1) {
int pos = p_s_last_element->pe_position; int pos = last_element->pe_position;
int limit = B_NR_ITEMS(bh); int limit = B_NR_ITEMS(bh);
struct reiserfs_key *le_key; struct reiserfs_key *le_key;
if (p_s_search_path->reada & PATH_READA_BACK) if (search_path->reada & PATH_READA_BACK)
limit = 0; limit = 0;
while (reada_count < SEARCH_BY_KEY_READA) { while (reada_count < SEARCH_BY_KEY_READA) {
if (pos == limit) if (pos == limit)
break; break;
reada_blocks[reada_count++] = reada_blocks[reada_count++] =
B_N_CHILD_NUM(bh, pos); B_N_CHILD_NUM(bh, pos);
if (p_s_search_path->reada & PATH_READA_BACK) if (search_path->reada & PATH_READA_BACK)
pos--; pos--;
else else
pos++; pos++;
...@@ -751,7 +751,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -751,7 +751,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
*/ */
le_key = B_N_PDELIM_KEY(bh, pos); le_key = B_N_PDELIM_KEY(bh, pos);
if (le32_to_cpu(le_key->k_objectid) != if (le32_to_cpu(le_key->k_objectid) !=
p_s_key->on_disk_key.k_objectid) { key->on_disk_key.k_objectid) {
break; break;
} }
} }
...@@ -760,11 +760,11 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -760,11 +760,11 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
} }
/* Form the path to an item and position in this item which contains /* Form the path to an item and position in this item which contains
file byte defined by p_s_key. If there is no such item file byte defined by key. If there is no such item
corresponding to the key, we point the path to the item with corresponding to the key, we point the path to the item with
maximal key less than p_s_key, and *p_n_pos_in_item is set to one maximal key less than key, and *pos_in_item is set to one
past the last entry/byte in the item. If searching for entry in a past the last entry/byte in the item. If searching for entry in a
directory item, and it is not found, *p_n_pos_in_item is set to one directory item, and it is not found, *pos_in_item is set to one
entry more than the entry with maximal key which is less than the entry more than the entry with maximal key which is less than the
sought key. sought key.
...@@ -777,7 +777,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key ...@@ -777,7 +777,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *p_s_key, /* Key
/* The function is NOT SCHEDULE-SAFE! */ /* The function is NOT SCHEDULE-SAFE! */
int search_for_position_by_key(struct super_block *sb, /* Pointer to the super block. */ int search_for_position_by_key(struct super_block *sb, /* Pointer to the super block. */
const struct cpu_key *p_cpu_key, /* Key to search (cpu variable) */ const struct cpu_key *p_cpu_key, /* Key to search (cpu variable) */
struct treepath *p_s_search_path /* Filled up by this function. */ struct treepath *search_path /* Filled up by this function. */
) )
{ {
struct item_head *p_le_ih; /* pointer to on-disk structure */ struct item_head *p_le_ih; /* pointer to on-disk structure */
...@@ -788,34 +788,34 @@ int search_for_position_by_key(struct super_block *sb, /* Pointer to the super b ...@@ -788,34 +788,34 @@ int search_for_position_by_key(struct super_block *sb, /* Pointer to the super b
/* If searching for directory entry. */ /* If searching for directory entry. */
if (is_direntry_cpu_key(p_cpu_key)) if (is_direntry_cpu_key(p_cpu_key))
return search_by_entry_key(sb, p_cpu_key, p_s_search_path, return search_by_entry_key(sb, p_cpu_key, search_path,
&de); &de);
/* If not searching for directory entry. */ /* If not searching for directory entry. */
/* If item is found. */ /* If item is found. */
retval = search_item(sb, p_cpu_key, p_s_search_path); retval = search_item(sb, p_cpu_key, search_path);
if (retval == IO_ERROR) if (retval == IO_ERROR)
return retval; return retval;
if (retval == ITEM_FOUND) { if (retval == ITEM_FOUND) {
RFALSE(!ih_item_len RFALSE(!ih_item_len
(B_N_PITEM_HEAD (B_N_PITEM_HEAD
(PATH_PLAST_BUFFER(p_s_search_path), (PATH_PLAST_BUFFER(search_path),
PATH_LAST_POSITION(p_s_search_path))), PATH_LAST_POSITION(search_path))),
"PAP-5165: item length equals zero"); "PAP-5165: item length equals zero");
pos_in_item(p_s_search_path) = 0; pos_in_item(search_path) = 0;
return POSITION_FOUND; return POSITION_FOUND;
} }
RFALSE(!PATH_LAST_POSITION(p_s_search_path), RFALSE(!PATH_LAST_POSITION(search_path),
"PAP-5170: position equals zero"); "PAP-5170: position equals zero");
/* Item is not found. Set path to the previous item. */ /* Item is not found. Set path to the previous item. */
p_le_ih = p_le_ih =
B_N_PITEM_HEAD(PATH_PLAST_BUFFER(p_s_search_path), B_N_PITEM_HEAD(PATH_PLAST_BUFFER(search_path),
--PATH_LAST_POSITION(p_s_search_path)); --PATH_LAST_POSITION(search_path));
n_blk_size = sb->s_blocksize; n_blk_size = sb->s_blocksize;
if (comp_short_keys(&(p_le_ih->ih_key), p_cpu_key)) { if (comp_short_keys(&(p_le_ih->ih_key), p_cpu_key)) {
...@@ -829,9 +829,9 @@ int search_for_position_by_key(struct super_block *sb, /* Pointer to the super b ...@@ -829,9 +829,9 @@ int search_for_position_by_key(struct super_block *sb, /* Pointer to the super b
/* Needed byte is contained in the item pointed to by the path. */ /* Needed byte is contained in the item pointed to by the path. */
if (item_offset <= offset && if (item_offset <= offset &&
item_offset + op_bytes_number(p_le_ih, n_blk_size) > offset) { item_offset + op_bytes_number(p_le_ih, n_blk_size) > offset) {
pos_in_item(p_s_search_path) = offset - item_offset; pos_in_item(search_path) = offset - item_offset;
if (is_indirect_le_ih(p_le_ih)) { if (is_indirect_le_ih(p_le_ih)) {
pos_in_item(p_s_search_path) /= n_blk_size; pos_in_item(search_path) /= n_blk_size;
} }
return POSITION_FOUND; return POSITION_FOUND;
} }
...@@ -839,18 +839,18 @@ int search_for_position_by_key(struct super_block *sb, /* Pointer to the super b ...@@ -839,18 +839,18 @@ int search_for_position_by_key(struct super_block *sb, /* Pointer to the super b
/* Needed byte is not contained in the item pointed to by the /* Needed byte is not contained in the item pointed to by the
path. Set pos_in_item out of the item. */ path. Set pos_in_item out of the item. */
if (is_indirect_le_ih(p_le_ih)) if (is_indirect_le_ih(p_le_ih))
pos_in_item(p_s_search_path) = pos_in_item(search_path) =
ih_item_len(p_le_ih) / UNFM_P_SIZE; ih_item_len(p_le_ih) / UNFM_P_SIZE;
else else
pos_in_item(p_s_search_path) = ih_item_len(p_le_ih); pos_in_item(search_path) = ih_item_len(p_le_ih);
return POSITION_NOT_FOUND; return POSITION_NOT_FOUND;
} }
/* Compare given item and item pointed to by the path. */ /* Compare given item and item pointed to by the path. */
int comp_items(const struct item_head *stored_ih, const struct treepath *p_s_path) int comp_items(const struct item_head *stored_ih, const struct treepath *path)
{ {
struct buffer_head *bh = PATH_PLAST_BUFFER(p_s_path); struct buffer_head *bh = PATH_PLAST_BUFFER(path);
struct item_head *ih; struct item_head *ih;
/* Last buffer at the path is not in the tree. */ /* Last buffer at the path is not in the tree. */
...@@ -858,11 +858,11 @@ int comp_items(const struct item_head *stored_ih, const struct treepath *p_s_pat ...@@ -858,11 +858,11 @@ int comp_items(const struct item_head *stored_ih, const struct treepath *p_s_pat
return 1; return 1;
/* Last path position is invalid. */ /* Last path position is invalid. */
if (PATH_LAST_POSITION(p_s_path) >= B_NR_ITEMS(bh)) if (PATH_LAST_POSITION(path) >= B_NR_ITEMS(bh))
return 1; return 1;
/* we need only to know, whether it is the same item */ /* we need only to know, whether it is the same item */
ih = get_ih(p_s_path); ih = get_ih(path);
return memcmp(stored_ih, ih, IH_SIZE); return memcmp(stored_ih, ih, IH_SIZE);
} }
...@@ -951,14 +951,14 @@ static inline int prepare_for_direntry_item(struct treepath *path, ...@@ -951,14 +951,14 @@ static inline int prepare_for_direntry_item(struct treepath *path,
In case of file truncate calculate whether this item must be deleted/truncated or last In case of file truncate calculate whether this item must be deleted/truncated or last
unformatted node of this item will be converted to a direct item. unformatted node of this item will be converted to a direct item.
This function returns a determination of what balance mode the calling function should employ. */ This function returns a determination of what balance mode the calling function should employ. */
static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, struct inode *inode, struct treepath *p_s_path, const struct cpu_key *p_s_item_key, int *p_n_removed, /* Number of unformatted nodes which were removed static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, struct inode *inode, struct treepath *path, const struct cpu_key *item_key, int *removed, /* Number of unformatted nodes which were removed
from end of the file. */ from end of the file. */
int *p_n_cut_size, unsigned long long n_new_file_length /* MAX_KEY_OFFSET in case of delete. */ int *cut_size, unsigned long long n_new_file_length /* MAX_KEY_OFFSET in case of delete. */
) )
{ {
struct super_block *sb = inode->i_sb; struct super_block *sb = inode->i_sb;
struct item_head *p_le_ih = PATH_PITEM_HEAD(p_s_path); struct item_head *p_le_ih = PATH_PITEM_HEAD(path);
struct buffer_head *bh = PATH_PLAST_BUFFER(p_s_path); struct buffer_head *bh = PATH_PLAST_BUFFER(path);
BUG_ON(!th->t_trans_id); BUG_ON(!th->t_trans_id);
...@@ -968,20 +968,20 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st ...@@ -968,20 +968,20 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
RFALSE(n_new_file_length != max_reiserfs_offset(inode), RFALSE(n_new_file_length != max_reiserfs_offset(inode),
"PAP-5210: mode must be M_DELETE"); "PAP-5210: mode must be M_DELETE");
*p_n_cut_size = -(IH_SIZE + ih_item_len(p_le_ih)); *cut_size = -(IH_SIZE + ih_item_len(p_le_ih));
return M_DELETE; return M_DELETE;
} }
/* Directory item. */ /* Directory item. */
if (is_direntry_le_ih(p_le_ih)) if (is_direntry_le_ih(p_le_ih))
return prepare_for_direntry_item(p_s_path, p_le_ih, inode, return prepare_for_direntry_item(path, p_le_ih, inode,
n_new_file_length, n_new_file_length,
p_n_cut_size); cut_size);
/* Direct item. */ /* Direct item. */
if (is_direct_le_ih(p_le_ih)) if (is_direct_le_ih(p_le_ih))
return prepare_for_direct_item(p_s_path, p_le_ih, inode, return prepare_for_direct_item(path, p_le_ih, inode,
n_new_file_length, p_n_cut_size); n_new_file_length, cut_size);
/* Case of an indirect item. */ /* Case of an indirect item. */
{ {
...@@ -1001,9 +1001,9 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st ...@@ -1001,9 +1001,9 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
do { do {
need_re_search = 0; need_re_search = 0;
*p_n_cut_size = 0; *cut_size = 0;
bh = PATH_PLAST_BUFFER(p_s_path); bh = PATH_PLAST_BUFFER(path);
copy_item_head(&s_ih, PATH_PITEM_HEAD(p_s_path)); copy_item_head(&s_ih, PATH_PITEM_HEAD(path));
pos = I_UNFM_NUM(&s_ih); pos = I_UNFM_NUM(&s_ih);
while (le_ih_k_offset (&s_ih) + (pos - 1) * blk_size > n_new_file_length) { while (le_ih_k_offset (&s_ih) + (pos - 1) * blk_size > n_new_file_length) {
...@@ -1013,10 +1013,9 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st ...@@ -1013,10 +1013,9 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
/* Each unformatted block deletion may involve one additional /* Each unformatted block deletion may involve one additional
* bitmap block into the transaction, thereby the initial * bitmap block into the transaction, thereby the initial
* journal space reservation might not be enough. */ * journal space reservation might not be enough. */
if (!delete && (*p_n_cut_size) != 0 && if (!delete && (*cut_size) != 0 &&
reiserfs_transaction_free_space(th) < JOURNAL_FOR_FREE_BLOCK_AND_UPDATE_SD) { reiserfs_transaction_free_space(th) < JOURNAL_FOR_FREE_BLOCK_AND_UPDATE_SD)
break; break;
}
unfm = (__le32 *)B_I_PITEM(bh, &s_ih) + pos - 1; unfm = (__le32 *)B_I_PITEM(bh, &s_ih) + pos - 1;
block = get_block_num(unfm, 0); block = get_block_num(unfm, 0);
...@@ -1030,17 +1029,17 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st ...@@ -1030,17 +1029,17 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
cond_resched(); cond_resched();
if (item_moved (&s_ih, p_s_path)) { if (item_moved (&s_ih, path)) {
need_re_search = 1; need_re_search = 1;
break; break;
} }
pos --; pos --;
(*p_n_removed) ++; (*removed)++;
(*p_n_cut_size) -= UNFM_P_SIZE; (*cut_size) -= UNFM_P_SIZE;
if (pos == 0) { if (pos == 0) {
(*p_n_cut_size) -= IH_SIZE; (*cut_size) -= IH_SIZE;
result = M_DELETE; result = M_DELETE;
break; break;
} }
...@@ -1050,10 +1049,10 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st ...@@ -1050,10 +1049,10 @@ static char prepare_for_delete_or_cut(struct reiserfs_transaction_handle *th, st
** buffer */ ** buffer */
reiserfs_restore_prepared_buffer(sb, bh); reiserfs_restore_prepared_buffer(sb, bh);
} while (need_re_search && } while (need_re_search &&
search_for_position_by_key(sb, p_s_item_key, p_s_path) == POSITION_FOUND); search_for_position_by_key(sb, item_key, path) == POSITION_FOUND);
pos_in_item(p_s_path) = pos * UNFM_P_SIZE; pos_in_item(path) = pos * UNFM_P_SIZE;
if (*p_n_cut_size == 0) { if (*cut_size == 0) {
/* Nothing were cut. maybe convert last unformatted node to the /* Nothing were cut. maybe convert last unformatted node to the
* direct item? */ * direct item? */
result = M_CONVERT; result = M_CONVERT;
...@@ -1091,7 +1090,7 @@ static int calc_deleted_bytes_number(struct tree_balance *tb, char c_mode) ...@@ -1091,7 +1090,7 @@ static int calc_deleted_bytes_number(struct tree_balance *tb, char c_mode)
static void init_tb_struct(struct reiserfs_transaction_handle *th, static void init_tb_struct(struct reiserfs_transaction_handle *th,
struct tree_balance *tb, struct tree_balance *tb,
struct super_block *sb, struct super_block *sb,
struct treepath *p_s_path, int n_size) struct treepath *path, int n_size)
{ {
BUG_ON(!th->t_trans_id); BUG_ON(!th->t_trans_id);
...@@ -1099,9 +1098,9 @@ static void init_tb_struct(struct reiserfs_transaction_handle *th, ...@@ -1099,9 +1098,9 @@ static void init_tb_struct(struct reiserfs_transaction_handle *th,
memset(tb, '\0', sizeof(struct tree_balance)); memset(tb, '\0', sizeof(struct tree_balance));
tb->transaction_handle = th; tb->transaction_handle = th;
tb->tb_sb = sb; tb->tb_sb = sb;
tb->tb_path = p_s_path; tb->tb_path = path;
PATH_OFFSET_PBUFFER(p_s_path, ILLEGAL_PATH_ELEMENT_OFFSET) = NULL; PATH_OFFSET_PBUFFER(path, ILLEGAL_PATH_ELEMENT_OFFSET) = NULL;
PATH_OFFSET_POSITION(p_s_path, ILLEGAL_PATH_ELEMENT_OFFSET) = 0; PATH_OFFSET_POSITION(path, ILLEGAL_PATH_ELEMENT_OFFSET) = 0;
tb->insert_size[0] = n_size; tb->insert_size[0] = n_size;
} }
...@@ -1141,13 +1140,17 @@ char head2type(struct item_head *ih) ...@@ -1141,13 +1140,17 @@ char head2type(struct item_head *ih)
} }
#endif #endif
/* Delete object item. */ /* Delete object item.
int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath *p_s_path, /* Path to the deleted item. */ * th - active transaction handle
const struct cpu_key *p_s_item_key, /* Key to search for the deleted item. */ * path - path to the deleted item
struct inode *inode, /* inode is here just to update * item_key - key to search for the deleted item
* i_blocks and quotas */ * indode - used for updating i_blocks and quotas
struct buffer_head *p_s_un_bh) * un_bh - NULL or unformatted node pointer
{ /* NULL or unformatted node pointer. */ */
int reiserfs_delete_item(struct reiserfs_transaction_handle *th,
struct treepath *path, const struct cpu_key *item_key,
struct inode *inode, struct buffer_head *un_bh)
{
struct super_block *sb = inode->i_sb; struct super_block *sb = inode->i_sb;
struct tree_balance s_del_balance; struct tree_balance s_del_balance;
struct item_head s_ih; struct item_head s_ih;
...@@ -1162,7 +1165,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -1162,7 +1165,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
BUG_ON(!th->t_trans_id); BUG_ON(!th->t_trans_id);
init_tb_struct(th, &s_del_balance, sb, p_s_path, init_tb_struct(th, &s_del_balance, sb, path,
0 /*size is unknown */ ); 0 /*size is unknown */ );
while (1) { while (1) {
...@@ -1172,14 +1175,14 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -1172,14 +1175,14 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
n_iter++; n_iter++;
c_mode = c_mode =
#endif #endif
prepare_for_delete_or_cut(th, inode, p_s_path, prepare_for_delete_or_cut(th, inode, path,
p_s_item_key, &n_removed, item_key, &n_removed,
&n_del_size, &n_del_size,
max_reiserfs_offset(inode)); max_reiserfs_offset(inode));
RFALSE(c_mode != M_DELETE, "PAP-5320: mode must be M_DELETE"); RFALSE(c_mode != M_DELETE, "PAP-5320: mode must be M_DELETE");
copy_item_head(&s_ih, PATH_PITEM_HEAD(p_s_path)); copy_item_head(&s_ih, PATH_PITEM_HEAD(path));
s_del_balance.insert_size[0] = n_del_size; s_del_balance.insert_size[0] = n_del_size;
n_ret_value = fix_nodes(M_DELETE, &s_del_balance, NULL, NULL); n_ret_value = fix_nodes(M_DELETE, &s_del_balance, NULL, NULL);
...@@ -1190,13 +1193,13 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -1190,13 +1193,13 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
// file system changed, repeat search // file system changed, repeat search
n_ret_value = n_ret_value =
search_for_position_by_key(sb, p_s_item_key, p_s_path); search_for_position_by_key(sb, item_key, path);
if (n_ret_value == IO_ERROR) if (n_ret_value == IO_ERROR)
break; break;
if (n_ret_value == FILE_NOT_FOUND) { if (n_ret_value == FILE_NOT_FOUND) {
reiserfs_warning(sb, "vs-5340", reiserfs_warning(sb, "vs-5340",
"no items of the file %K found", "no items of the file %K found",
p_s_item_key); item_key);
break; break;
} }
} /* while (1) */ } /* while (1) */
...@@ -1207,7 +1210,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -1207,7 +1210,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
} }
// reiserfs_delete_item returns item length when success // reiserfs_delete_item returns item length when success
n_ret_value = calc_deleted_bytes_number(&s_del_balance, M_DELETE); n_ret_value = calc_deleted_bytes_number(&s_del_balance, M_DELETE);
q_ih = get_ih(p_s_path); q_ih = get_ih(path);
quota_cut_bytes = ih_item_len(q_ih); quota_cut_bytes = ih_item_len(q_ih);
/* hack so the quota code doesn't have to guess if the file /* hack so the quota code doesn't have to guess if the file
...@@ -1224,7 +1227,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -1224,7 +1227,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
} }
} }
if (p_s_un_bh) { if (un_bh) {
int off; int off;
char *data; char *data;
...@@ -1242,16 +1245,16 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -1242,16 +1245,16 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th, struct treepath
** The unformatted node must be dirtied later on. We can't be ** The unformatted node must be dirtied later on. We can't be
** sure here if the entire tail has been deleted yet. ** sure here if the entire tail has been deleted yet.
** **
** p_s_un_bh is from the page cache (all unformatted nodes are ** un_bh is from the page cache (all unformatted nodes are
** from the page cache) and might be a highmem page. So, we ** from the page cache) and might be a highmem page. So, we
** can't use p_s_un_bh->b_data. ** can't use un_bh->b_data.
** -clm ** -clm
*/ */
data = kmap_atomic(p_s_un_bh->b_page, KM_USER0); data = kmap_atomic(un_bh->b_page, KM_USER0);
off = ((le_ih_k_offset(&s_ih) - 1) & (PAGE_CACHE_SIZE - 1)); off = ((le_ih_k_offset(&s_ih) - 1) & (PAGE_CACHE_SIZE - 1));
memcpy(data + off, memcpy(data + off,
B_I_PITEM(PATH_PLAST_BUFFER(p_s_path), &s_ih), B_I_PITEM(PATH_PLAST_BUFFER(path), &s_ih),
n_ret_value); n_ret_value);
kunmap_atomic(data, KM_USER0); kunmap_atomic(data, KM_USER0);
} }
...@@ -1427,9 +1430,9 @@ static void unmap_buffers(struct page *page, loff_t pos) ...@@ -1427,9 +1430,9 @@ static void unmap_buffers(struct page *page, loff_t pos)
static int maybe_indirect_to_direct(struct reiserfs_transaction_handle *th, static int maybe_indirect_to_direct(struct reiserfs_transaction_handle *th,
struct inode *inode, struct inode *inode,
struct page *page, struct page *page,
struct treepath *p_s_path, struct treepath *path,
const struct cpu_key *p_s_item_key, const struct cpu_key *item_key,
loff_t n_new_file_size, char *p_c_mode) loff_t n_new_file_size, char *mode)
{ {
struct super_block *sb = inode->i_sb; struct super_block *sb = inode->i_sb;
int n_block_size = sb->s_blocksize; int n_block_size = sb->s_blocksize;
...@@ -1445,17 +1448,17 @@ static int maybe_indirect_to_direct(struct reiserfs_transaction_handle *th, ...@@ -1445,17 +1448,17 @@ static int maybe_indirect_to_direct(struct reiserfs_transaction_handle *th,
!tail_has_to_be_packed(inode) || !tail_has_to_be_packed(inode) ||
!page || (REISERFS_I(inode)->i_flags & i_nopack_mask)) { !page || (REISERFS_I(inode)->i_flags & i_nopack_mask)) {
/* leave tail in an unformatted node */ /* leave tail in an unformatted node */
*p_c_mode = M_SKIP_BALANCING; *mode = M_SKIP_BALANCING;
cut_bytes = cut_bytes =
n_block_size - (n_new_file_size & (n_block_size - 1)); n_block_size - (n_new_file_size & (n_block_size - 1));
pathrelse(p_s_path); pathrelse(path);
return cut_bytes; return cut_bytes;
} }
/* Permorm the conversion to a direct_item. */ /* Perform the conversion to a direct_item. */
/* return indirect_to_direct(inode, p_s_path, p_s_item_key, /* return indirect_to_direct(inode, path, item_key,
n_new_file_size, p_c_mode); */ n_new_file_size, mode); */
return indirect2direct(th, inode, page, p_s_path, p_s_item_key, return indirect2direct(th, inode, page, path, item_key,
n_new_file_size, p_c_mode); n_new_file_size, mode);
} }
/* we did indirect_to_direct conversion. And we have inserted direct /* we did indirect_to_direct conversion. And we have inserted direct
...@@ -1506,8 +1509,8 @@ static void indirect_to_direct_roll_back(struct reiserfs_transaction_handle *th, ...@@ -1506,8 +1509,8 @@ static void indirect_to_direct_roll_back(struct reiserfs_transaction_handle *th,
/* (Truncate or cut entry) or delete object item. Returns < 0 on failure */ /* (Truncate or cut entry) or delete object item. Returns < 0 on failure */
int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
struct treepath *p_s_path, struct treepath *path,
struct cpu_key *p_s_item_key, struct cpu_key *item_key,
struct inode *inode, struct inode *inode,
struct page *page, loff_t n_new_file_size) struct page *page, loff_t n_new_file_size)
{ {
...@@ -1528,7 +1531,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, ...@@ -1528,7 +1531,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
BUG_ON(!th->t_trans_id); BUG_ON(!th->t_trans_id);
init_tb_struct(th, &s_cut_balance, inode->i_sb, p_s_path, init_tb_struct(th, &s_cut_balance, inode->i_sb, path,
n_cut_size); n_cut_size);
/* Repeat this loop until we either cut the item without needing /* Repeat this loop until we either cut the item without needing
...@@ -1540,8 +1543,8 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, ...@@ -1540,8 +1543,8 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
pointers. */ pointers. */
c_mode = c_mode =
prepare_for_delete_or_cut(th, inode, p_s_path, prepare_for_delete_or_cut(th, inode, path,
p_s_item_key, &n_removed, item_key, &n_removed,
&n_cut_size, n_new_file_size); &n_cut_size, n_new_file_size);
if (c_mode == M_CONVERT) { if (c_mode == M_CONVERT) {
/* convert last unformatted node to direct item or leave /* convert last unformatted node to direct item or leave
...@@ -1551,7 +1554,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, ...@@ -1551,7 +1554,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
n_ret_value = n_ret_value =
maybe_indirect_to_direct(th, inode, page, maybe_indirect_to_direct(th, inode, page,
p_s_path, p_s_item_key, path, item_key,
n_new_file_size, &c_mode); n_new_file_size, &c_mode);
if (c_mode == M_SKIP_BALANCING) if (c_mode == M_SKIP_BALANCING)
/* tail has been left in the unformatted node */ /* tail has been left in the unformatted node */
...@@ -1568,26 +1571,26 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, ...@@ -1568,26 +1571,26 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
inserting the new direct item. Now we are removing the inserting the new direct item. Now we are removing the
last unformatted node pointer. Set key to search for last unformatted node pointer. Set key to search for
it. */ it. */
set_cpu_key_k_type(p_s_item_key, TYPE_INDIRECT); set_cpu_key_k_type(item_key, TYPE_INDIRECT);
p_s_item_key->key_length = 4; item_key->key_length = 4;
n_new_file_size -= n_new_file_size -=
(n_new_file_size & (sb->s_blocksize - 1)); (n_new_file_size & (sb->s_blocksize - 1));
tail_pos = n_new_file_size; tail_pos = n_new_file_size;
set_cpu_key_k_offset(p_s_item_key, n_new_file_size + 1); set_cpu_key_k_offset(item_key, n_new_file_size + 1);
if (search_for_position_by_key if (search_for_position_by_key
(sb, p_s_item_key, (sb, item_key,
p_s_path) == POSITION_NOT_FOUND) { path) == POSITION_NOT_FOUND) {
print_block(PATH_PLAST_BUFFER(p_s_path), 3, print_block(PATH_PLAST_BUFFER(path), 3,
PATH_LAST_POSITION(p_s_path) - 1, PATH_LAST_POSITION(path) - 1,
PATH_LAST_POSITION(p_s_path) + 1); PATH_LAST_POSITION(path) + 1);
reiserfs_panic(sb, "PAP-5580", "item to " reiserfs_panic(sb, "PAP-5580", "item to "
"convert does not exist (%K)", "convert does not exist (%K)",
p_s_item_key); item_key);
} }
continue; continue;
} }
if (n_cut_size == 0) { if (n_cut_size == 0) {
pathrelse(p_s_path); pathrelse(path);
return 0; return 0;
} }
...@@ -1600,12 +1603,12 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, ...@@ -1600,12 +1603,12 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
PROC_INFO_INC(sb, cut_from_item_restarted); PROC_INFO_INC(sb, cut_from_item_restarted);
n_ret_value = n_ret_value =
search_for_position_by_key(sb, p_s_item_key, p_s_path); search_for_position_by_key(sb, item_key, path);
if (n_ret_value == POSITION_FOUND) if (n_ret_value == POSITION_FOUND)
continue; continue;
reiserfs_warning(sb, "PAP-5610", "item %K not found", reiserfs_warning(sb, "PAP-5610", "item %K not found",
p_s_item_key); item_key);
unfix_nodes(&s_cut_balance); unfix_nodes(&s_cut_balance);
return (n_ret_value == IO_ERROR) ? -EIO : -ENOENT; return (n_ret_value == IO_ERROR) ? -EIO : -ENOENT;
} /* while */ } /* while */
...@@ -1615,7 +1618,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, ...@@ -1615,7 +1618,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
if (n_is_inode_locked) { if (n_is_inode_locked) {
// FIXME: this seems to be not needed: we are always able // FIXME: this seems to be not needed: we are always able
// to cut item // to cut item
indirect_to_direct_roll_back(th, inode, p_s_path); indirect_to_direct_roll_back(th, inode, path);
} }
if (n_ret_value == NO_DISK_SPACE) if (n_ret_value == NO_DISK_SPACE)
reiserfs_warning(sb, "reiserfs-5092", reiserfs_warning(sb, "reiserfs-5092",
...@@ -1631,7 +1634,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, ...@@ -1631,7 +1634,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
/* Calculate number of bytes that need to be cut from the item. */ /* Calculate number of bytes that need to be cut from the item. */
quota_cut_bytes = quota_cut_bytes =
(c_mode == (c_mode ==
M_DELETE) ? ih_item_len(get_ih(p_s_path)) : -s_cut_balance. M_DELETE) ? ih_item_len(get_ih(path)) : -s_cut_balance.
insert_size[0]; insert_size[0];
if (retval2 == -1) if (retval2 == -1)
n_ret_value = calc_deleted_bytes_number(&s_cut_balance, c_mode); n_ret_value = calc_deleted_bytes_number(&s_cut_balance, c_mode);
...@@ -1878,7 +1881,7 @@ int reiserfs_do_truncate(struct reiserfs_transaction_handle *th, ...@@ -1878,7 +1881,7 @@ int reiserfs_do_truncate(struct reiserfs_transaction_handle *th,
#ifdef CONFIG_REISERFS_CHECK #ifdef CONFIG_REISERFS_CHECK
// this makes sure, that we __append__, not overwrite or add holes // this makes sure, that we __append__, not overwrite or add holes
static void check_research_for_paste(struct treepath *path, static void check_research_for_paste(struct treepath *path,
const struct cpu_key *p_s_key) const struct cpu_key *key)
{ {
struct item_head *found_ih = get_ih(path); struct item_head *found_ih = get_ih(path);
...@@ -1886,35 +1889,35 @@ static void check_research_for_paste(struct treepath *path, ...@@ -1886,35 +1889,35 @@ static void check_research_for_paste(struct treepath *path,
if (le_ih_k_offset(found_ih) + if (le_ih_k_offset(found_ih) +
op_bytes_number(found_ih, op_bytes_number(found_ih,
get_last_bh(path)->b_size) != get_last_bh(path)->b_size) !=
cpu_key_k_offset(p_s_key) cpu_key_k_offset(key)
|| op_bytes_number(found_ih, || op_bytes_number(found_ih,
get_last_bh(path)->b_size) != get_last_bh(path)->b_size) !=
pos_in_item(path)) pos_in_item(path))
reiserfs_panic(NULL, "PAP-5720", "found direct item " reiserfs_panic(NULL, "PAP-5720", "found direct item "
"%h or position (%d) does not match " "%h or position (%d) does not match "
"to key %K", found_ih, "to key %K", found_ih,
pos_in_item(path), p_s_key); pos_in_item(path), key);
} }
if (is_indirect_le_ih(found_ih)) { if (is_indirect_le_ih(found_ih)) {
if (le_ih_k_offset(found_ih) + if (le_ih_k_offset(found_ih) +
op_bytes_number(found_ih, op_bytes_number(found_ih,
get_last_bh(path)->b_size) != get_last_bh(path)->b_size) !=
cpu_key_k_offset(p_s_key) cpu_key_k_offset(key)
|| I_UNFM_NUM(found_ih) != pos_in_item(path) || I_UNFM_NUM(found_ih) != pos_in_item(path)
|| get_ih_free_space(found_ih) != 0) || get_ih_free_space(found_ih) != 0)
reiserfs_panic(NULL, "PAP-5730", "found indirect " reiserfs_panic(NULL, "PAP-5730", "found indirect "
"item (%h) or position (%d) does not " "item (%h) or position (%d) does not "
"match to key (%K)", "match to key (%K)",
found_ih, pos_in_item(path), p_s_key); found_ih, pos_in_item(path), key);
} }
} }
#endif /* config reiserfs check */ #endif /* config reiserfs check */
/* Paste bytes to the existing item. Returns bytes number pasted into the item. */ /* Paste bytes to the existing item. Returns bytes number pasted into the item. */
int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct treepath *p_s_search_path, /* Path to the pasted item. */ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct treepath *search_path, /* Path to the pasted item. */
const struct cpu_key *p_s_key, /* Key to search for the needed item. */ const struct cpu_key *key, /* Key to search for the needed item. */
struct inode *inode, /* Inode item belongs to */ struct inode *inode, /* Inode item belongs to */
const char *p_c_body, /* Pointer to the bytes to paste. */ const char *body, /* Pointer to the bytes to paste. */
int n_pasted_size) int n_pasted_size)
{ /* Size of pasted bytes. */ { /* Size of pasted bytes. */
struct tree_balance s_paste_balance; struct tree_balance s_paste_balance;
...@@ -1929,17 +1932,17 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree ...@@ -1929,17 +1932,17 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree
reiserfs_debug(inode->i_sb, REISERFS_DEBUG_CODE, reiserfs_debug(inode->i_sb, REISERFS_DEBUG_CODE,
"reiserquota paste_into_item(): allocating %u id=%u type=%c", "reiserquota paste_into_item(): allocating %u id=%u type=%c",
n_pasted_size, inode->i_uid, n_pasted_size, inode->i_uid,
key2type(&(p_s_key->on_disk_key))); key2type(&(key->on_disk_key)));
#endif #endif
if (DQUOT_ALLOC_SPACE_NODIRTY(inode, n_pasted_size)) { if (DQUOT_ALLOC_SPACE_NODIRTY(inode, n_pasted_size)) {
pathrelse(p_s_search_path); pathrelse(search_path);
return -EDQUOT; return -EDQUOT;
} }
init_tb_struct(th, &s_paste_balance, th->t_super, p_s_search_path, init_tb_struct(th, &s_paste_balance, th->t_super, search_path,
n_pasted_size); n_pasted_size);
#ifdef DISPLACE_NEW_PACKING_LOCALITIES #ifdef DISPLACE_NEW_PACKING_LOCALITIES
s_paste_balance.key = p_s_key->on_disk_key; s_paste_balance.key = key->on_disk_key;
#endif #endif
/* DQUOT_* can schedule, must check before the fix_nodes */ /* DQUOT_* can schedule, must check before the fix_nodes */
...@@ -1949,13 +1952,13 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree ...@@ -1949,13 +1952,13 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree
while ((retval = while ((retval =
fix_nodes(M_PASTE, &s_paste_balance, NULL, fix_nodes(M_PASTE, &s_paste_balance, NULL,
p_c_body)) == REPEAT_SEARCH) { body)) == REPEAT_SEARCH) {
search_again: search_again:
/* file system changed while we were in the fix_nodes */ /* file system changed while we were in the fix_nodes */
PROC_INFO_INC(th->t_super, paste_into_item_restarted); PROC_INFO_INC(th->t_super, paste_into_item_restarted);
retval = retval =
search_for_position_by_key(th->t_super, p_s_key, search_for_position_by_key(th->t_super, key,
p_s_search_path); search_path);
if (retval == IO_ERROR) { if (retval == IO_ERROR) {
retval = -EIO; retval = -EIO;
goto error_out; goto error_out;
...@@ -1963,19 +1966,19 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree ...@@ -1963,19 +1966,19 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree
if (retval == POSITION_FOUND) { if (retval == POSITION_FOUND) {
reiserfs_warning(inode->i_sb, "PAP-5710", reiserfs_warning(inode->i_sb, "PAP-5710",
"entry or pasted byte (%K) exists", "entry or pasted byte (%K) exists",
p_s_key); key);
retval = -EEXIST; retval = -EEXIST;
goto error_out; goto error_out;
} }
#ifdef CONFIG_REISERFS_CHECK #ifdef CONFIG_REISERFS_CHECK
check_research_for_paste(p_s_search_path, p_s_key); check_research_for_paste(search_path, key);
#endif #endif
} }
/* Perform balancing after all resources are collected by fix_nodes, and /* Perform balancing after all resources are collected by fix_nodes, and
accessing them will not risk triggering schedule. */ accessing them will not risk triggering schedule. */
if (retval == CARRY_ON) { if (retval == CARRY_ON) {
do_balance(&s_paste_balance, NULL /*ih */ , p_c_body, M_PASTE); do_balance(&s_paste_balance, NULL /*ih */ , body, M_PASTE);
return 0; return 0;
} }
retval = (retval == NO_DISK_SPACE) ? -ENOSPC : -EIO; retval = (retval == NO_DISK_SPACE) ? -ENOSPC : -EIO;
...@@ -1986,17 +1989,23 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree ...@@ -1986,17 +1989,23 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree
reiserfs_debug(inode->i_sb, REISERFS_DEBUG_CODE, reiserfs_debug(inode->i_sb, REISERFS_DEBUG_CODE,
"reiserquota paste_into_item(): freeing %u id=%u type=%c", "reiserquota paste_into_item(): freeing %u id=%u type=%c",
n_pasted_size, inode->i_uid, n_pasted_size, inode->i_uid,
key2type(&(p_s_key->on_disk_key))); key2type(&(key->on_disk_key)));
#endif #endif
DQUOT_FREE_SPACE_NODIRTY(inode, n_pasted_size); DQUOT_FREE_SPACE_NODIRTY(inode, n_pasted_size);
return retval; return retval;
} }
/* Insert new item into the buffer at the path. */ /* Insert new item into the buffer at the path.
int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath *p_s_path, /* Path to the inserteded item. */ * th - active transaction handle
const struct cpu_key *key, struct item_head *p_s_ih, /* Pointer to the item header to insert. */ * path - path to the inserted item
struct inode *inode, const char *p_c_body) * ih - pointer to the item header to insert
{ /* Pointer to the bytes to insert. */ * body - pointer to the bytes to insert
*/
int reiserfs_insert_item(struct reiserfs_transaction_handle *th,
struct treepath *path, const struct cpu_key *key,
struct item_head *ih, struct inode *inode,
const char *body)
{
struct tree_balance s_ins_balance; struct tree_balance s_ins_balance;
int retval; int retval;
int fs_gen = 0; int fs_gen = 0;
...@@ -2006,28 +2015,27 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -2006,28 +2015,27 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath
if (inode) { /* Do we count quotas for item? */ if (inode) { /* Do we count quotas for item? */
fs_gen = get_generation(inode->i_sb); fs_gen = get_generation(inode->i_sb);
quota_bytes = ih_item_len(p_s_ih); quota_bytes = ih_item_len(ih);
/* hack so the quota code doesn't have to guess if the file has /* hack so the quota code doesn't have to guess if the file has
** a tail, links are always tails, so there's no guessing needed ** a tail, links are always tails, so there's no guessing needed
*/ */
if (!S_ISLNK(inode->i_mode) && is_direct_le_ih(p_s_ih)) { if (!S_ISLNK(inode->i_mode) && is_direct_le_ih(ih))
quota_bytes = inode->i_sb->s_blocksize + UNFM_P_SIZE; quota_bytes = inode->i_sb->s_blocksize + UNFM_P_SIZE;
}
#ifdef REISERQUOTA_DEBUG #ifdef REISERQUOTA_DEBUG
reiserfs_debug(inode->i_sb, REISERFS_DEBUG_CODE, reiserfs_debug(inode->i_sb, REISERFS_DEBUG_CODE,
"reiserquota insert_item(): allocating %u id=%u type=%c", "reiserquota insert_item(): allocating %u id=%u type=%c",
quota_bytes, inode->i_uid, head2type(p_s_ih)); quota_bytes, inode->i_uid, head2type(ih));
#endif #endif
/* We can't dirty inode here. It would be immediately written but /* We can't dirty inode here. It would be immediately written but
* appropriate stat item isn't inserted yet... */ * appropriate stat item isn't inserted yet... */
if (DQUOT_ALLOC_SPACE_NODIRTY(inode, quota_bytes)) { if (DQUOT_ALLOC_SPACE_NODIRTY(inode, quota_bytes)) {
pathrelse(p_s_path); pathrelse(path);
return -EDQUOT; return -EDQUOT;
} }
} }
init_tb_struct(th, &s_ins_balance, th->t_super, p_s_path, init_tb_struct(th, &s_ins_balance, th->t_super, path,
IH_SIZE + ih_item_len(p_s_ih)); IH_SIZE + ih_item_len(ih));
#ifdef DISPLACE_NEW_PACKING_LOCALITIES #ifdef DISPLACE_NEW_PACKING_LOCALITIES
s_ins_balance.key = key->on_disk_key; s_ins_balance.key = key->on_disk_key;
#endif #endif
...@@ -2037,12 +2045,12 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -2037,12 +2045,12 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath
} }
while ((retval = while ((retval =
fix_nodes(M_INSERT, &s_ins_balance, p_s_ih, fix_nodes(M_INSERT, &s_ins_balance, ih,
p_c_body)) == REPEAT_SEARCH) { body)) == REPEAT_SEARCH) {
search_again: search_again:
/* file system changed while we were in the fix_nodes */ /* file system changed while we were in the fix_nodes */
PROC_INFO_INC(th->t_super, insert_item_restarted); PROC_INFO_INC(th->t_super, insert_item_restarted);
retval = search_item(th->t_super, key, p_s_path); retval = search_item(th->t_super, key, path);
if (retval == IO_ERROR) { if (retval == IO_ERROR) {
retval = -EIO; retval = -EIO;
goto error_out; goto error_out;
...@@ -2058,7 +2066,7 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -2058,7 +2066,7 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath
/* make balancing after all resources will be collected at a time */ /* make balancing after all resources will be collected at a time */
if (retval == CARRY_ON) { if (retval == CARRY_ON) {
do_balance(&s_ins_balance, p_s_ih, p_c_body, M_INSERT); do_balance(&s_ins_balance, ih, body, M_INSERT);
return 0; return 0;
} }
...@@ -2069,7 +2077,7 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath ...@@ -2069,7 +2077,7 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th, struct treepath
#ifdef REISERQUOTA_DEBUG #ifdef REISERQUOTA_DEBUG
reiserfs_debug(th->t_super, REISERFS_DEBUG_CODE, reiserfs_debug(th->t_super, REISERFS_DEBUG_CODE,
"reiserquota insert_item(): freeing %u id=%u type=%c", "reiserquota insert_item(): freeing %u id=%u type=%c",
quota_bytes, inode->i_uid, head2type(p_s_ih)); quota_bytes, inode->i_uid, head2type(ih));
#endif #endif
if (inode) if (inode)
DQUOT_FREE_SPACE_NODIRTY(inode, quota_bytes); DQUOT_FREE_SPACE_NODIRTY(inode, quota_bytes);
......
fs/reiserfs/tail_conversion.c
浏览文件 @ d68caa95
...@@ -172,10 +172,12 @@ void reiserfs_unmap_buffer(struct buffer_head *bh) ...@@ -172,10 +172,12 @@ void reiserfs_unmap_buffer(struct buffer_head *bh)
inode */ inode */
int indirect2direct(struct reiserfs_transaction_handle *th, int indirect2direct(struct reiserfs_transaction_handle *th,
struct inode *inode, struct page *page, struct inode *inode, struct page *page,
struct treepath *p_s_path, /* path to the indirect item. */ struct treepath *path, /* path to the indirect item. */
const struct cpu_key *p_s_item_key, /* Key to look for unformatted node pointer to be cut. */ const struct cpu_key *item_key, /* Key to look for
* unformatted node
* pointer to be cut. */
loff_t n_new_file_size, /* New file size. */ loff_t n_new_file_size, /* New file size. */
char *p_c_mode) char *mode)
{ {
struct super_block *sb = inode->i_sb; struct super_block *sb = inode->i_sb;
struct item_head s_ih; struct item_head s_ih;
...@@ -189,10 +191,10 @@ int indirect2direct(struct reiserfs_transaction_handle *th, ...@@ -189,10 +191,10 @@ int indirect2direct(struct reiserfs_transaction_handle *th,
REISERFS_SB(sb)->s_indirect2direct++; REISERFS_SB(sb)->s_indirect2direct++;
*p_c_mode = M_SKIP_BALANCING; *mode = M_SKIP_BALANCING;
/* store item head path points to. */ /* store item head path points to. */
copy_item_head(&s_ih, PATH_PITEM_HEAD(p_s_path)); copy_item_head(&s_ih, PATH_PITEM_HEAD(path));
tail_len = (n_new_file_size & (n_block_size - 1)); tail_len = (n_new_file_size & (n_block_size - 1));
if (get_inode_sd_version(inode) == STAT_DATA_V2) if (get_inode_sd_version(inode) == STAT_DATA_V2)
...@@ -211,14 +213,14 @@ int indirect2direct(struct reiserfs_transaction_handle *th, ...@@ -211,14 +213,14 @@ int indirect2direct(struct reiserfs_transaction_handle *th,
tail = (char *)kmap(page); /* this can schedule */ tail = (char *)kmap(page); /* this can schedule */
if (path_changed(&s_ih, p_s_path)) { if (path_changed(&s_ih, path)) {
/* re-search indirect item */ /* re-search indirect item */
if (search_for_position_by_key(sb, p_s_item_key, p_s_path) if (search_for_position_by_key(sb, item_key, path)
== POSITION_NOT_FOUND) == POSITION_NOT_FOUND)
reiserfs_panic(sb, "PAP-5520", reiserfs_panic(sb, "PAP-5520",
"item to be converted %K does not exist", "item to be converted %K does not exist",
p_s_item_key); item_key);
copy_item_head(&s_ih, PATH_PITEM_HEAD(p_s_path)); copy_item_head(&s_ih, PATH_PITEM_HEAD(path));
#ifdef CONFIG_REISERFS_CHECK #ifdef CONFIG_REISERFS_CHECK
pos = le_ih_k_offset(&s_ih) - 1 + pos = le_ih_k_offset(&s_ih) - 1 +
(ih_item_len(&s_ih) / UNFM_P_SIZE - (ih_item_len(&s_ih) / UNFM_P_SIZE -
...@@ -240,13 +242,13 @@ int indirect2direct(struct reiserfs_transaction_handle *th, ...@@ -240,13 +242,13 @@ int indirect2direct(struct reiserfs_transaction_handle *th,
*/ */
tail = tail + (pos & (PAGE_CACHE_SIZE - 1)); tail = tail + (pos & (PAGE_CACHE_SIZE - 1));
PATH_LAST_POSITION(p_s_path)++; PATH_LAST_POSITION(path)++;
key = *p_s_item_key; key = *item_key;
set_cpu_key_k_type(&key, TYPE_DIRECT); set_cpu_key_k_type(&key, TYPE_DIRECT);
key.key_length = 4; key.key_length = 4;
/* Insert tail as new direct item in the tree */ /* Insert tail as new direct item in the tree */
if (reiserfs_insert_item(th, p_s_path, &key, &s_ih, inode, if (reiserfs_insert_item(th, path, &key, &s_ih, inode,
tail ? tail : NULL) < 0) { tail ? tail : NULL) < 0) {
/* No disk memory. So we can not convert last unformatted node /* No disk memory. So we can not convert last unformatted node
to the direct item. In this case we used to adjust to the direct item. In this case we used to adjust
...@@ -268,7 +270,7 @@ int indirect2direct(struct reiserfs_transaction_handle *th, ...@@ -268,7 +270,7 @@ int indirect2direct(struct reiserfs_transaction_handle *th,
/* We have inserted new direct item and must remove last /* We have inserted new direct item and must remove last
unformatted node. */ unformatted node. */
*p_c_mode = M_CUT; *mode = M_CUT;
/* we store position of first direct item in the in-core inode */ /* we store position of first direct item in the in-core inode */
/* mark_file_with_tail (inode, pos1 + 1); */ /* mark_file_with_tail (inode, pos1 + 1); */
......
include/linux/reiserfs_fs.h
浏览文件 @ d68caa95
...@@ -694,9 +694,9 @@ static inline void cpu_key_k_offset_dec(struct cpu_key *key) ...@@ -694,9 +694,9 @@ static inline void cpu_key_k_offset_dec(struct cpu_key *key)
#define is_indirect_cpu_ih(ih) (is_indirect_cpu_key (&((ih)->ih_key))) #define is_indirect_cpu_ih(ih) (is_indirect_cpu_key (&((ih)->ih_key)))
#define is_statdata_cpu_ih(ih) (is_statdata_cpu_key (&((ih)->ih_key))) #define is_statdata_cpu_ih(ih) (is_statdata_cpu_key (&((ih)->ih_key)))
#define I_K_KEY_IN_ITEM(p_s_ih, p_s_key, n_blocksize) \ #define I_K_KEY_IN_ITEM(ih, key, n_blocksize) \
( ! COMP_SHORT_KEYS(p_s_ih, p_s_key) && \ (!COMP_SHORT_KEYS(ih, key) && \
I_OFF_BYTE_IN_ITEM(p_s_ih, k_offset (p_s_key), n_blocksize) ) I_OFF_BYTE_IN_ITEM(ih, k_offset(key), n_blocksize))
/* maximal length of item */ /* maximal length of item */
#define MAX_ITEM_LEN(block_size) (block_size - BLKH_SIZE - IH_SIZE) #define MAX_ITEM_LEN(block_size) (block_size - BLKH_SIZE - IH_SIZE)
...@@ -1196,33 +1196,33 @@ struct treepath { ...@@ -1196,33 +1196,33 @@ struct treepath {
struct treepath var = {.path_length = ILLEGAL_PATH_ELEMENT_OFFSET, .reada = 0,} struct treepath var = {.path_length = ILLEGAL_PATH_ELEMENT_OFFSET, .reada = 0,}
/* Get path element by path and path position. */ /* Get path element by path and path position. */
#define PATH_OFFSET_PELEMENT(p_s_path,n_offset) ((p_s_path)->path_elements +(n_offset)) #define PATH_OFFSET_PELEMENT(path, n_offset) ((path)->path_elements + (n_offset))
/* Get buffer header at the path by path and path position. */ /* Get buffer header at the path by path and path position. */
#define PATH_OFFSET_PBUFFER(p_s_path,n_offset) (PATH_OFFSET_PELEMENT(p_s_path,n_offset)->pe_buffer) #define PATH_OFFSET_PBUFFER(path, n_offset) (PATH_OFFSET_PELEMENT(path, n_offset)->pe_buffer)
/* Get position in the element at the path by path and path position. */ /* Get position in the element at the path by path and path position. */
#define PATH_OFFSET_POSITION(p_s_path,n_offset) (PATH_OFFSET_PELEMENT(p_s_path,n_offset)->pe_position) #define PATH_OFFSET_POSITION(path, n_offset) (PATH_OFFSET_PELEMENT(path, n_offset)->pe_position)
#define PATH_PLAST_BUFFER(p_s_path) (PATH_OFFSET_PBUFFER((p_s_path), (p_s_path)->path_length)) #define PATH_PLAST_BUFFER(path) (PATH_OFFSET_PBUFFER((path), (path)->path_length))
/* you know, to the person who didn't /* you know, to the person who didn't
write this the macro name does not write this the macro name does not
at first suggest what it does. at first suggest what it does.
Maybe POSITION_FROM_PATH_END? Or Maybe POSITION_FROM_PATH_END? Or
maybe we should just focus on maybe we should just focus on
dumping paths... -Hans */ dumping paths... -Hans */
#define PATH_LAST_POSITION(p_s_path) (PATH_OFFSET_POSITION((p_s_path), (p_s_path)->path_length)) #define PATH_LAST_POSITION(path) (PATH_OFFSET_POSITION((path), (path)->path_length))
#define PATH_PITEM_HEAD(p_s_path) B_N_PITEM_HEAD(PATH_PLAST_BUFFER(p_s_path),PATH_LAST_POSITION(p_s_path)) #define PATH_PITEM_HEAD(path) B_N_PITEM_HEAD(PATH_PLAST_BUFFER(path), PATH_LAST_POSITION(path))
/* in do_balance leaf has h == 0 in contrast with path structure, /* in do_balance leaf has h == 0 in contrast with path structure,
where root has level == 0. That is why we need these defines */ where root has level == 0. That is why we need these defines */
#define PATH_H_PBUFFER(p_s_path, h) PATH_OFFSET_PBUFFER (p_s_path, p_s_path->path_length - (h)) /* tb->S[h] */ #define PATH_H_PBUFFER(path, h) PATH_OFFSET_PBUFFER (path, path->path_length - (h)) /* tb->S[h] */
#define PATH_H_PPARENT(path, h) PATH_H_PBUFFER (path, (h) + 1) /* tb->F[h] or tb->S[0]->b_parent */ #define PATH_H_PPARENT(path, h) PATH_H_PBUFFER (path, (h) + 1) /* tb->F[h] or tb->S[0]->b_parent */
#define PATH_H_POSITION(path, h) PATH_OFFSET_POSITION (path, path->path_length - (h)) #define PATH_H_POSITION(path, h) PATH_OFFSET_POSITION (path, path->path_length - (h))
#define PATH_H_B_ITEM_ORDER(path, h) PATH_H_POSITION(path, h + 1) /* tb->S[h]->b_item_order */ #define PATH_H_B_ITEM_ORDER(path, h) PATH_H_POSITION(path, h + 1) /* tb->S[h]->b_item_order */
#define PATH_H_PATH_OFFSET(p_s_path, n_h) ((p_s_path)->path_length - (n_h)) #define PATH_H_PATH_OFFSET(path, n_h) ((path)->path_length - (n_h))
#define get_last_bh(path) PATH_PLAST_BUFFER(path) #define get_last_bh(path) PATH_PLAST_BUFFER(path)
#define get_ih(path) PATH_PITEM_HEAD(path) #define get_ih(path) PATH_PITEM_HEAD(path)
...@@ -1512,7 +1512,7 @@ extern struct item_operations *item_ops[TYPE_ANY + 1]; ...@@ -1512,7 +1512,7 @@ extern struct item_operations *item_ops[TYPE_ANY + 1];
#define COMP_SHORT_KEYS comp_short_keys #define COMP_SHORT_KEYS comp_short_keys
/* number of blocks pointed to by the indirect item */ /* number of blocks pointed to by the indirect item */
#define I_UNFM_NUM(p_s_ih) ( ih_item_len(p_s_ih) / UNFM_P_SIZE ) #define I_UNFM_NUM(ih) (ih_item_len(ih) / UNFM_P_SIZE)
/* the used space within the unformatted node corresponding to pos within the item pointed to by ih */ /* the used space within the unformatted node corresponding to pos within the item pointed to by ih */
#define I_POS_UNFM_SIZE(ih,pos,size) (((pos) == I_UNFM_NUM(ih) - 1 ) ? (size) - ih_free_space(ih) : (size)) #define I_POS_UNFM_SIZE(ih,pos,size) (((pos) == I_UNFM_NUM(ih) - 1 ) ? (size) - ih_free_space(ih) : (size))
...@@ -1793,8 +1793,8 @@ int reiserfs_convert_objectid_map_v1(struct super_block *); ...@@ -1793,8 +1793,8 @@ int reiserfs_convert_objectid_map_v1(struct super_block *);
/* stree.c */ /* stree.c */
int B_IS_IN_TREE(const struct buffer_head *); int B_IS_IN_TREE(const struct buffer_head *);
extern void copy_item_head(struct item_head *p_v_to, extern void copy_item_head(struct item_head *to,
const struct item_head *p_v_from); const struct item_head *from);
// first key is in cpu form, second - le // first key is in cpu form, second - le
extern int comp_short_keys(const struct reiserfs_key *le_key, extern int comp_short_keys(const struct reiserfs_key *le_key,
...@@ -1829,20 +1829,20 @@ static inline void copy_key(struct reiserfs_key *to, ...@@ -1829,20 +1829,20 @@ static inline void copy_key(struct reiserfs_key *to,
memcpy(to, from, KEY_SIZE); memcpy(to, from, KEY_SIZE);
} }
int comp_items(const struct item_head *stored_ih, const struct treepath *p_s_path); int comp_items(const struct item_head *stored_ih, const struct treepath *path);
const struct reiserfs_key *get_rkey(const struct treepath *p_s_chk_path, const struct reiserfs_key *get_rkey(const struct treepath *chk_path,
const struct super_block *sb); const struct super_block *sb);
int search_by_key(struct super_block *, const struct cpu_key *, int search_by_key(struct super_block *, const struct cpu_key *,
struct treepath *, int); struct treepath *, int);
#define search_item(s,key,path) search_by_key (s, key, path, DISK_LEAF_NODE_LEVEL) #define search_item(s,key,path) search_by_key (s, key, path, DISK_LEAF_NODE_LEVEL)
int search_for_position_by_key(struct super_block *sb, int search_for_position_by_key(struct super_block *sb,
const struct cpu_key *p_s_cpu_key, const struct cpu_key *cpu_key,
struct treepath *p_s_search_path); struct treepath *search_path);
extern void decrement_bcount(struct buffer_head *bh); extern void decrement_bcount(struct buffer_head *bh);
void decrement_counters_in_path(struct treepath *p_s_search_path); void decrement_counters_in_path(struct treepath *search_path);
void pathrelse(struct treepath *p_s_search_path); void pathrelse(struct treepath *search_path);
int reiserfs_check_path(struct treepath *p); int reiserfs_check_path(struct treepath *p);
void pathrelse_and_restore(struct super_block *s, struct treepath *p_s_search_path); void pathrelse_and_restore(struct super_block *s, struct treepath *search_path);
int reiserfs_insert_item(struct reiserfs_transaction_handle *th, int reiserfs_insert_item(struct reiserfs_transaction_handle *th,
struct treepath *path, struct treepath *path,
...@@ -1865,7 +1865,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, ...@@ -1865,7 +1865,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
int reiserfs_delete_item(struct reiserfs_transaction_handle *th, int reiserfs_delete_item(struct reiserfs_transaction_handle *th,
struct treepath *path, struct treepath *path,
const struct cpu_key *key, const struct cpu_key *key,
struct inode *inode, struct buffer_head *p_s_un_bh); struct inode *inode, struct buffer_head *un_bh);
void reiserfs_delete_solid_item(struct reiserfs_transaction_handle *th, void reiserfs_delete_solid_item(struct reiserfs_transaction_handle *th,
struct inode *inode, struct reiserfs_key *key); struct inode *inode, struct reiserfs_key *key);
...@@ -2005,7 +2005,7 @@ extern const struct address_space_operations reiserfs_address_space_operations; ...@@ -2005,7 +2005,7 @@ extern const struct address_space_operations reiserfs_address_space_operations;
/* fix_nodes.c */ /* fix_nodes.c */
int fix_nodes(int n_op_mode, struct tree_balance *tb, int fix_nodes(int n_op_mode, struct tree_balance *tb,
struct item_head *p_s_ins_ih, const void *); struct item_head *ins_ih, const void *);
void unfix_nodes(struct tree_balance *); void unfix_nodes(struct tree_balance *);
/* prints.c */ /* prints.c */
......
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