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raspberrypi-kernel
提交 8612c7e5 编写于 作者: D Dave Chinner
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Merge branch 'xfs-da-geom' into for-next

上级 b70f14e1 35f46c5f
展开全部 隐藏空白更改
内联 并排
Showing with 819 addition and 778 deletion
fs/xfs/xfs_attr.c
浏览文件 @ 8612c7e5
......@@ -88,6 +88,7 @@ xfs_attr_args_init(
return EINVAL;
memset(args, 0, sizeof(*args));
args->geo = dp->i_mount->m_attr_geo;
args->whichfork = XFS_ATTR_FORK;
args->dp = dp;
args->flags = flags;
......@@ -173,12 +174,10 @@ xfs_attr_calc_size(
* Determine space new attribute will use, and if it would be
* "local" or "remote" (note: local != inline).
*/
size = xfs_attr_leaf_newentsize(args->namelen, args->valuelen,
mp->m_sb.sb_blocksize, local);
size = xfs_attr_leaf_newentsize(args, local);
nblks = XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK);
if (*local) {
if (size > (mp->m_sb.sb_blocksize >> 1)) {
if (size > (args->geo->blksize / 2)) {
/* Double split possible */
nblks *= 2;
}
......@@ -864,7 +863,7 @@ xfs_attr_leaf_get(xfs_da_args_t *args)
}
/*========================================================================
* External routines when attribute list size > XFS_LBSIZE(mp).
* External routines when attribute list size > geo->blksize
*========================================================================*/
/*
......@@ -897,8 +896,6 @@ xfs_attr_node_addname(xfs_da_args_t *args)
state = xfs_da_state_alloc();
state->args = args;
state->mp = mp;
state->blocksize = state->mp->m_sb.sb_blocksize;
state->node_ents = state->mp->m_attr_node_ents;
/*
* Search to see if name already exists, and get back a pointer
......@@ -1076,8 +1073,6 @@ xfs_attr_node_addname(xfs_da_args_t *args)
state = xfs_da_state_alloc();
state->args = args;
state->mp = mp;
state->blocksize = state->mp->m_sb.sb_blocksize;
state->node_ents = state->mp->m_attr_node_ents;
state->inleaf = 0;
error = xfs_da3_node_lookup_int(state, &retval);
if (error)
......@@ -1168,8 +1163,6 @@ xfs_attr_node_removename(xfs_da_args_t *args)
state = xfs_da_state_alloc();
state->args = args;
state->mp = dp->i_mount;
state->blocksize = state->mp->m_sb.sb_blocksize;
state->node_ents = state->mp->m_attr_node_ents;
/*
* Search to see if name exists, and get back a pointer to it.
......@@ -1431,8 +1424,6 @@ xfs_attr_node_get(xfs_da_args_t *args)
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state->blocksize = state->mp->m_sb.sb_blocksize;
state->node_ents = state->mp->m_attr_node_ents;
/*
* Search to see if name exists, and get back a pointer to it.
......
fs/xfs/xfs_attr_leaf.c
浏览文件 @ 8612c7e5
......@@ -80,11 +80,12 @@ STATIC int xfs_attr3_leaf_figure_balance(xfs_da_state_t *state,
/*
* Utility routines.
*/
STATIC void xfs_attr3_leaf_moveents(struct xfs_attr_leafblock *src_leaf,
STATIC void xfs_attr3_leaf_moveents(struct xfs_da_args *args,
struct xfs_attr_leafblock *src_leaf,
struct xfs_attr3_icleaf_hdr *src_ichdr, int src_start,
struct xfs_attr_leafblock *dst_leaf,
struct xfs_attr3_icleaf_hdr *dst_ichdr, int dst_start,
int move_count, struct xfs_mount *mp);
int move_count);
STATIC int xfs_attr_leaf_entsize(xfs_attr_leafblock_t *leaf, int index);
void
......@@ -711,6 +712,7 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args)
memset((char *)&nargs, 0, sizeof(nargs));
nargs.dp = dp;
nargs.geo = args->geo;
nargs.firstblock = args->firstblock;
nargs.flist = args->flist;
nargs.total = args->total;
......@@ -805,18 +807,18 @@ xfs_attr3_leaf_to_shortform(
trace_xfs_attr_leaf_to_sf(args);
tmpbuffer = kmem_alloc(XFS_LBSIZE(dp->i_mount), KM_SLEEP);
tmpbuffer = kmem_alloc(args->geo->blksize, KM_SLEEP);
if (!tmpbuffer)
return ENOMEM;
memcpy(tmpbuffer, bp->b_addr, XFS_LBSIZE(dp->i_mount));
memcpy(tmpbuffer, bp->b_addr, args->geo->blksize);
leaf = (xfs_attr_leafblock_t *)tmpbuffer;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
entry = xfs_attr3_leaf_entryp(leaf);
/* XXX (dgc): buffer is about to be marked stale - why zero it? */
memset(bp->b_addr, 0, XFS_LBSIZE(dp->i_mount));
memset(bp->b_addr, 0, args->geo->blksize);
/*
* Clean out the prior contents of the attribute list.
......@@ -838,6 +840,7 @@ xfs_attr3_leaf_to_shortform(
* Copy the attributes
*/
memset((char *)&nargs, 0, sizeof(nargs));
nargs.geo = args->geo;
nargs.dp = dp;
nargs.firstblock = args->firstblock;
nargs.flist = args->flist;
......@@ -904,12 +907,12 @@ xfs_attr3_leaf_to_node(
/* copy leaf to new buffer, update identifiers */
xfs_trans_buf_set_type(args->trans, bp2, XFS_BLFT_ATTR_LEAF_BUF);
bp2->b_ops = bp1->b_ops;
memcpy(bp2->b_addr, bp1->b_addr, XFS_LBSIZE(mp));
memcpy(bp2->b_addr, bp1->b_addr, args->geo->blksize);
if (xfs_sb_version_hascrc(&mp->m_sb)) {
struct xfs_da3_blkinfo *hdr3 = bp2->b_addr;
hdr3->blkno = cpu_to_be64(bp2->b_bn);
}
xfs_trans_log_buf(args->trans, bp2, 0, XFS_LBSIZE(mp) - 1);
xfs_trans_log_buf(args->trans, bp2, 0, args->geo->blksize - 1);
/*
* Set up the new root node.
......@@ -930,7 +933,7 @@ xfs_attr3_leaf_to_node(
btree[0].before = cpu_to_be32(blkno);
icnodehdr.count = 1;
dp->d_ops->node_hdr_to_disk(node, &icnodehdr);
xfs_trans_log_buf(args->trans, bp1, 0, XFS_LBSIZE(mp) - 1);
xfs_trans_log_buf(args->trans, bp1, 0, args->geo->blksize - 1);
error = 0;
out:
return error;
......@@ -966,10 +969,10 @@ xfs_attr3_leaf_create(
bp->b_ops = &xfs_attr3_leaf_buf_ops;
xfs_trans_buf_set_type(args->trans, bp, XFS_BLFT_ATTR_LEAF_BUF);
leaf = bp->b_addr;
memset(leaf, 0, XFS_LBSIZE(mp));
memset(leaf, 0, args->geo->blksize);
memset(&ichdr, 0, sizeof(ichdr));
ichdr.firstused = XFS_LBSIZE(mp);
ichdr.firstused = args->geo->blksize;
if (xfs_sb_version_hascrc(&mp->m_sb)) {
struct xfs_da3_blkinfo *hdr3 = bp->b_addr;
......@@ -988,7 +991,7 @@ xfs_attr3_leaf_create(
ichdr.freemap[0].size = ichdr.firstused - ichdr.freemap[0].base;
xfs_attr3_leaf_hdr_to_disk(leaf, &ichdr);
xfs_trans_log_buf(args->trans, bp, 0, XFS_LBSIZE(mp) - 1);
xfs_trans_log_buf(args->trans, bp, 0, args->geo->blksize - 1);
*bpp = bp;
return 0;
......@@ -1074,8 +1077,7 @@ xfs_attr3_leaf_add(
leaf = bp->b_addr;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
ASSERT(args->index >= 0 && args->index <= ichdr.count);
entsize = xfs_attr_leaf_newentsize(args->namelen, args->valuelen,
args->trans->t_mountp->m_sb.sb_blocksize, NULL);
entsize = xfs_attr_leaf_newentsize(args, NULL);
/*
* Search through freemap for first-fit on new name length.
......@@ -1174,17 +1176,14 @@ xfs_attr3_leaf_add_work(
* Allocate space for the new string (at the end of the run).
*/
mp = args->trans->t_mountp;
ASSERT(ichdr->freemap[mapindex].base < XFS_LBSIZE(mp));
ASSERT(ichdr->freemap[mapindex].base < args->geo->blksize);
ASSERT((ichdr->freemap[mapindex].base & 0x3) == 0);
ASSERT(ichdr->freemap[mapindex].size >=
xfs_attr_leaf_newentsize(args->namelen, args->valuelen,
mp->m_sb.sb_blocksize, NULL));
ASSERT(ichdr->freemap[mapindex].size < XFS_LBSIZE(mp));
xfs_attr_leaf_newentsize(args, NULL));
ASSERT(ichdr->freemap[mapindex].size < args->geo->blksize);
ASSERT((ichdr->freemap[mapindex].size & 0x3) == 0);
ichdr->freemap[mapindex].size -=
xfs_attr_leaf_newentsize(args->namelen, args->valuelen,
mp->m_sb.sb_blocksize, &tmp);
ichdr->freemap[mapindex].size -= xfs_attr_leaf_newentsize(args, &tmp);
entry->nameidx = cpu_to_be16(ichdr->freemap[mapindex].base +
ichdr->freemap[mapindex].size);
......@@ -1269,14 +1268,13 @@ xfs_attr3_leaf_compact(
struct xfs_attr_leafblock *leaf_dst;
struct xfs_attr3_icleaf_hdr ichdr_src;
struct xfs_trans *trans = args->trans;
struct xfs_mount *mp = trans->t_mountp;
char *tmpbuffer;
trace_xfs_attr_leaf_compact(args);
tmpbuffer = kmem_alloc(XFS_LBSIZE(mp), KM_SLEEP);
memcpy(tmpbuffer, bp->b_addr, XFS_LBSIZE(mp));
memset(bp->b_addr, 0, XFS_LBSIZE(mp));
tmpbuffer = kmem_alloc(args->geo->blksize, KM_SLEEP);
memcpy(tmpbuffer, bp->b_addr, args->geo->blksize);
memset(bp->b_addr, 0, args->geo->blksize);
leaf_src = (xfs_attr_leafblock_t *)tmpbuffer;
leaf_dst = bp->b_addr;
......@@ -1289,7 +1287,7 @@ xfs_attr3_leaf_compact(
/* Initialise the incore headers */
ichdr_src = *ichdr_dst; /* struct copy */
ichdr_dst->firstused = XFS_LBSIZE(mp);
ichdr_dst->firstused = args->geo->blksize;
ichdr_dst->usedbytes = 0;
ichdr_dst->count = 0;
ichdr_dst->holes = 0;
......@@ -1304,13 +1302,13 @@ xfs_attr3_leaf_compact(
* Copy all entry's in the same (sorted) order,
* but allocate name/value pairs packed and in sequence.
*/
xfs_attr3_leaf_moveents(leaf_src, &ichdr_src, 0, leaf_dst, ichdr_dst, 0,
ichdr_src.count, mp);
xfs_attr3_leaf_moveents(args, leaf_src, &ichdr_src, 0,
leaf_dst, ichdr_dst, 0, ichdr_src.count);
/*
* this logs the entire buffer, but the caller must write the header
* back to the buffer when it is finished modifying it.
*/
xfs_trans_log_buf(trans, bp, 0, XFS_LBSIZE(mp) - 1);
xfs_trans_log_buf(trans, bp, 0, args->geo->blksize - 1);
kmem_free(tmpbuffer);
}
......@@ -1461,8 +1459,8 @@ xfs_attr3_leaf_rebalance(
/*
* Move high entries from leaf1 to low end of leaf2.
*/
xfs_attr3_leaf_moveents(leaf1, &ichdr1, ichdr1.count - count,
leaf2, &ichdr2, 0, count, state->mp);
xfs_attr3_leaf_moveents(args, leaf1, &ichdr1,
ichdr1.count - count, leaf2, &ichdr2, 0, count);
} else if (count > ichdr1.count) {
/*
......@@ -1490,14 +1488,14 @@ xfs_attr3_leaf_rebalance(
/*
* Move low entries from leaf2 to high end of leaf1.
*/
xfs_attr3_leaf_moveents(leaf2, &ichdr2, 0, leaf1, &ichdr1,
ichdr1.count, count, state->mp);
xfs_attr3_leaf_moveents(args, leaf2, &ichdr2, 0, leaf1, &ichdr1,
ichdr1.count, count);
}
xfs_attr3_leaf_hdr_to_disk(leaf1, &ichdr1);
xfs_attr3_leaf_hdr_to_disk(leaf2, &ichdr2);
xfs_trans_log_buf(args->trans, blk1->bp, 0, state->blocksize-1);
xfs_trans_log_buf(args->trans, blk2->bp, 0, state->blocksize-1);
xfs_trans_log_buf(args->trans, blk1->bp, 0, args->geo->blksize - 1);
xfs_trans_log_buf(args->trans, blk2->bp, 0, args->geo->blksize - 1);
/*
* Copy out last hashval in each block for B-tree code.
......@@ -1592,11 +1590,9 @@ xfs_attr3_leaf_figure_balance(
max = ichdr1->count + ichdr2->count;
half = (max + 1) * sizeof(*entry);
half += ichdr1->usedbytes + ichdr2->usedbytes +
xfs_attr_leaf_newentsize(state->args->namelen,
state->args->valuelen,
state->blocksize, NULL);
xfs_attr_leaf_newentsize(state->args, NULL);
half /= 2;
lastdelta = state->blocksize;
lastdelta = state->args->geo->blksize;
entry = xfs_attr3_leaf_entryp(leaf1);
for (count = index = 0; count < max; entry++, index++, count++) {
......@@ -1606,10 +1602,7 @@ xfs_attr3_leaf_figure_balance(
*/
if (count == blk1->index) {
tmp = totallen + sizeof(*entry) +
xfs_attr_leaf_newentsize(
state->args->namelen,
state->args->valuelen,
state->blocksize, NULL);
xfs_attr_leaf_newentsize(state->args, NULL);
if (XFS_ATTR_ABS(half - tmp) > lastdelta)
break;
lastdelta = XFS_ATTR_ABS(half - tmp);
......@@ -1645,10 +1638,7 @@ xfs_attr3_leaf_figure_balance(
totallen -= count * sizeof(*entry);
if (foundit) {
totallen -= sizeof(*entry) +
xfs_attr_leaf_newentsize(
state->args->namelen,
state->args->valuelen,
state->blocksize, NULL);
xfs_attr_leaf_newentsize(state->args, NULL);
}
*countarg = count;
......@@ -1700,7 +1690,7 @@ xfs_attr3_leaf_toosmall(
bytes = xfs_attr3_leaf_hdr_size(leaf) +
ichdr.count * sizeof(xfs_attr_leaf_entry_t) +
ichdr.usedbytes;
if (bytes > (state->blocksize >> 1)) {
if (bytes > (state->args->geo->blksize >> 1)) {
*action = 0; /* blk over 50%, don't try to join */
return(0);
}
......@@ -1754,7 +1744,8 @@ xfs_attr3_leaf_toosmall(
xfs_attr3_leaf_hdr_from_disk(&ichdr2, bp->b_addr);
bytes = state->blocksize - (state->blocksize >> 2) -
bytes = state->args->geo->blksize -
(state->args->geo->blksize >> 2) -
ichdr.usedbytes - ichdr2.usedbytes -
((ichdr.count + ichdr2.count) *
sizeof(xfs_attr_leaf_entry_t)) -
......@@ -1805,7 +1796,6 @@ xfs_attr3_leaf_remove(
struct xfs_attr_leafblock *leaf;
struct xfs_attr3_icleaf_hdr ichdr;
struct xfs_attr_leaf_entry *entry;
struct xfs_mount *mp = args->trans->t_mountp;
int before;
int after;
int smallest;
......@@ -1819,7 +1809,7 @@ xfs_attr3_leaf_remove(
leaf = bp->b_addr;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
ASSERT(ichdr.count > 0 && ichdr.count < XFS_LBSIZE(mp) / 8);
ASSERT(ichdr.count > 0 && ichdr.count < args->geo->blksize / 8);
ASSERT(args->index >= 0 && args->index < ichdr.count);
ASSERT(ichdr.firstused >= ichdr.count * sizeof(*entry) +
xfs_attr3_leaf_hdr_size(leaf));
......@@ -1827,7 +1817,7 @@ xfs_attr3_leaf_remove(
entry = &xfs_attr3_leaf_entryp(leaf)[args->index];
ASSERT(be16_to_cpu(entry->nameidx) >= ichdr.firstused);
ASSERT(be16_to_cpu(entry->nameidx) < XFS_LBSIZE(mp));
ASSERT(be16_to_cpu(entry->nameidx) < args->geo->blksize);
/*
* Scan through free region table:
......@@ -1842,8 +1832,8 @@ xfs_attr3_leaf_remove(
smallest = XFS_ATTR_LEAF_MAPSIZE - 1;
entsize = xfs_attr_leaf_entsize(leaf, args->index);
for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
ASSERT(ichdr.freemap[i].base < XFS_LBSIZE(mp));
ASSERT(ichdr.freemap[i].size < XFS_LBSIZE(mp));
ASSERT(ichdr.freemap[i].base < args->geo->blksize);
ASSERT(ichdr.freemap[i].size < args->geo->blksize);
if (ichdr.freemap[i].base == tablesize) {
ichdr.freemap[i].base -= sizeof(xfs_attr_leaf_entry_t);
ichdr.freemap[i].size += sizeof(xfs_attr_leaf_entry_t);
......@@ -1920,11 +1910,11 @@ xfs_attr3_leaf_remove(
* removing the name.
*/
if (smallest) {
tmp = XFS_LBSIZE(mp);
tmp = args->geo->blksize;
entry = xfs_attr3_leaf_entryp(leaf);
for (i = ichdr.count - 1; i >= 0; entry++, i--) {
ASSERT(be16_to_cpu(entry->nameidx) >= ichdr.firstused);
ASSERT(be16_to_cpu(entry->nameidx) < XFS_LBSIZE(mp));
ASSERT(be16_to_cpu(entry->nameidx) < args->geo->blksize);
if (be16_to_cpu(entry->nameidx) < tmp)
tmp = be16_to_cpu(entry->nameidx);
......@@ -1947,7 +1937,7 @@ xfs_attr3_leaf_remove(
tmp = ichdr.usedbytes + xfs_attr3_leaf_hdr_size(leaf) +
ichdr.count * sizeof(xfs_attr_leaf_entry_t);
return tmp < mp->m_attr_magicpct; /* leaf is < 37% full */
return tmp < args->geo->magicpct; /* leaf is < 37% full */
}
/*
......@@ -1964,7 +1954,6 @@ xfs_attr3_leaf_unbalance(
struct xfs_attr3_icleaf_hdr drophdr;
struct xfs_attr3_icleaf_hdr savehdr;
struct xfs_attr_leaf_entry *entry;
struct xfs_mount *mp = state->mp;
trace_xfs_attr_leaf_unbalance(state->args);
......@@ -1991,13 +1980,15 @@ xfs_attr3_leaf_unbalance(
*/
if (xfs_attr3_leaf_order(save_blk->bp, &savehdr,
drop_blk->bp, &drophdr)) {
xfs_attr3_leaf_moveents(drop_leaf, &drophdr, 0,
xfs_attr3_leaf_moveents(state->args,
drop_leaf, &drophdr, 0,
save_leaf, &savehdr, 0,
drophdr.count, mp);
drophdr.count);
} else {
xfs_attr3_leaf_moveents(drop_leaf, &drophdr, 0,
xfs_attr3_leaf_moveents(state->args,
drop_leaf, &drophdr, 0,
save_leaf, &savehdr,
savehdr.count, drophdr.count, mp);
savehdr.count, drophdr.count);
}
} else {
/*
......@@ -2007,7 +1998,7 @@ xfs_attr3_leaf_unbalance(
struct xfs_attr_leafblock *tmp_leaf;
struct xfs_attr3_icleaf_hdr tmphdr;
tmp_leaf = kmem_zalloc(state->blocksize, KM_SLEEP);
tmp_leaf = kmem_zalloc(state->args->geo->blksize, KM_SLEEP);
/*
* Copy the header into the temp leaf so that all the stuff
......@@ -2020,35 +2011,39 @@ xfs_attr3_leaf_unbalance(
tmphdr.magic = savehdr.magic;
tmphdr.forw = savehdr.forw;
tmphdr.back = savehdr.back;
tmphdr.firstused = state->blocksize;
tmphdr.firstused = state->args->geo->blksize;
/* write the header to the temp buffer to initialise it */
xfs_attr3_leaf_hdr_to_disk(tmp_leaf, &tmphdr);
if (xfs_attr3_leaf_order(save_blk->bp, &savehdr,
drop_blk->bp, &drophdr)) {
xfs_attr3_leaf_moveents(drop_leaf, &drophdr, 0,
xfs_attr3_leaf_moveents(state->args,
drop_leaf, &drophdr, 0,
tmp_leaf, &tmphdr, 0,
drophdr.count, mp);
xfs_attr3_leaf_moveents(save_leaf, &savehdr, 0,
drophdr.count);
xfs_attr3_leaf_moveents(state->args,
save_leaf, &savehdr, 0,
tmp_leaf, &tmphdr, tmphdr.count,
savehdr.count, mp);
savehdr.count);
} else {
xfs_attr3_leaf_moveents(save_leaf, &savehdr, 0,
xfs_attr3_leaf_moveents(state->args,
save_leaf, &savehdr, 0,
tmp_leaf, &tmphdr, 0,
savehdr.count, mp);
xfs_attr3_leaf_moveents(drop_leaf, &drophdr, 0,
savehdr.count);
xfs_attr3_leaf_moveents(state->args,
drop_leaf, &drophdr, 0,
tmp_leaf, &tmphdr, tmphdr.count,
drophdr.count, mp);
drophdr.count);
}
memcpy(save_leaf, tmp_leaf, state->blocksize);
memcpy(save_leaf, tmp_leaf, state->args->geo->blksize);
savehdr = tmphdr; /* struct copy */
kmem_free(tmp_leaf);
}
xfs_attr3_leaf_hdr_to_disk(save_leaf, &savehdr);
xfs_trans_log_buf(state->args->trans, save_blk->bp, 0,
state->blocksize - 1);
state->args->geo->blksize - 1);
/*
* Copy out last hashval in each block for B-tree code.
......@@ -2094,7 +2089,7 @@ xfs_attr3_leaf_lookup_int(
leaf = bp->b_addr;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
entries = xfs_attr3_leaf_entryp(leaf);
ASSERT(ichdr.count < XFS_LBSIZE(args->dp->i_mount) / 8);
ASSERT(ichdr.count < args->geo->blksize / 8);
/*
* Binary search. (note: small blocks will skip this loop)
......@@ -2198,7 +2193,7 @@ xfs_attr3_leaf_getvalue(
leaf = bp->b_addr;
xfs_attr3_leaf_hdr_from_disk(&ichdr, leaf);
ASSERT(ichdr.count < XFS_LBSIZE(args->dp->i_mount) / 8);
ASSERT(ichdr.count < args->geo->blksize / 8);
ASSERT(args->index < ichdr.count);
entry = &xfs_attr3_leaf_entryp(leaf)[args->index];
......@@ -2249,14 +2244,14 @@ xfs_attr3_leaf_getvalue(
/*ARGSUSED*/
STATIC void
xfs_attr3_leaf_moveents(
struct xfs_da_args *args,
struct xfs_attr_leafblock *leaf_s,
struct xfs_attr3_icleaf_hdr *ichdr_s,
int start_s,
struct xfs_attr_leafblock *leaf_d,
struct xfs_attr3_icleaf_hdr *ichdr_d,
int start_d,
int count,
struct xfs_mount *mp)
int count)
{
struct xfs_attr_leaf_entry *entry_s;
struct xfs_attr_leaf_entry *entry_d;
......@@ -2276,10 +2271,10 @@ xfs_attr3_leaf_moveents(
ASSERT(ichdr_s->magic == XFS_ATTR_LEAF_MAGIC ||
ichdr_s->magic == XFS_ATTR3_LEAF_MAGIC);
ASSERT(ichdr_s->magic == ichdr_d->magic);
ASSERT(ichdr_s->count > 0 && ichdr_s->count < XFS_LBSIZE(mp) / 8);
ASSERT(ichdr_s->count > 0 && ichdr_s->count < args->geo->blksize / 8);
ASSERT(ichdr_s->firstused >= (ichdr_s->count * sizeof(*entry_s))
+ xfs_attr3_leaf_hdr_size(leaf_s));
ASSERT(ichdr_d->count < XFS_LBSIZE(mp) / 8);
ASSERT(ichdr_d->count < args->geo->blksize / 8);
ASSERT(ichdr_d->firstused >= (ichdr_d->count * sizeof(*entry_d))
+ xfs_attr3_leaf_hdr_size(leaf_d));
......@@ -2331,11 +2326,11 @@ xfs_attr3_leaf_moveents(
entry_d->nameidx = cpu_to_be16(ichdr_d->firstused);
entry_d->flags = entry_s->flags;
ASSERT(be16_to_cpu(entry_d->nameidx) + tmp
<= XFS_LBSIZE(mp));
<= args->geo->blksize);
memmove(xfs_attr3_leaf_name(leaf_d, desti),
xfs_attr3_leaf_name(leaf_s, start_s + i), tmp);
ASSERT(be16_to_cpu(entry_s->nameidx) + tmp
<= XFS_LBSIZE(mp));
<= args->geo->blksize);
memset(xfs_attr3_leaf_name(leaf_s, start_s + i), 0, tmp);
ichdr_s->usedbytes -= tmp;
ichdr_d->usedbytes += tmp;
......@@ -2356,7 +2351,7 @@ xfs_attr3_leaf_moveents(
tmp = count * sizeof(xfs_attr_leaf_entry_t);
entry_s = &xfs_attr3_leaf_entryp(leaf_s)[start_s];
ASSERT(((char *)entry_s + tmp) <=
((char *)leaf_s + XFS_LBSIZE(mp)));
((char *)leaf_s + args->geo->blksize));
memset(entry_s, 0, tmp);
} else {
/*
......@@ -2371,7 +2366,7 @@ xfs_attr3_leaf_moveents(
tmp = count * sizeof(xfs_attr_leaf_entry_t);
entry_s = &xfs_attr3_leaf_entryp(leaf_s)[ichdr_s->count];
ASSERT(((char *)entry_s + tmp) <=
((char *)leaf_s + XFS_LBSIZE(mp)));
((char *)leaf_s + args->geo->blksize));
memset(entry_s, 0, tmp);
}
......@@ -2439,22 +2434,21 @@ xfs_attr_leaf_entsize(xfs_attr_leafblock_t *leaf, int index)
* a "local" or a "remote" attribute.
*/
int
xfs_attr_leaf_newentsize(int namelen, int valuelen, int blocksize, int *local)
xfs_attr_leaf_newentsize(
struct xfs_da_args *args,
int *local)
{
int size;
int size;
size = xfs_attr_leaf_entsize_local(namelen, valuelen);
if (size < xfs_attr_leaf_entsize_local_max(blocksize)) {
if (local) {
size = xfs_attr_leaf_entsize_local(args->namelen, args->valuelen);
if (size < xfs_attr_leaf_entsize_local_max(args->geo->blksize)) {
if (local)
*local = 1;
}
} else {
size = xfs_attr_leaf_entsize_remote(namelen);
if (local) {
*local = 0;
}
return size;
}
return size;
if (local)
*local = 0;
return xfs_attr_leaf_entsize_remote(args->namelen);
}
......
fs/xfs/xfs_attr_leaf.h
浏览文件 @ 8612c7e5
......@@ -96,8 +96,7 @@ int xfs_attr3_root_inactive(struct xfs_trans **trans, struct xfs_inode *dp);
xfs_dahash_t xfs_attr_leaf_lasthash(struct xfs_buf *bp, int *count);
int xfs_attr_leaf_order(struct xfs_buf *leaf1_bp,
struct xfs_buf *leaf2_bp);
int xfs_attr_leaf_newentsize(int namelen, int valuelen, int blocksize,
int *local);
int xfs_attr_leaf_newentsize(struct xfs_da_args *args, int *local);
int xfs_attr3_leaf_read(struct xfs_trans *tp, struct xfs_inode *dp,
xfs_dablk_t bno, xfs_daddr_t mappedbno,
struct xfs_buf **bpp);
......
fs/xfs/xfs_attr_list.c
浏览文件 @ 8612c7e5
......@@ -444,6 +444,7 @@ xfs_attr3_leaf_list_int(
xfs_da_args_t args;
memset((char *)&args, 0, sizeof(args));
args.geo = context->dp->i_mount->m_attr_geo;
args.dp = context->dp;
args.whichfork = XFS_ATTR_FORK;
args.valuelen = valuelen;
......
fs/xfs/xfs_attr_remote.c
浏览文件 @ 8612c7e5
......@@ -125,6 +125,7 @@ xfs_attr3_rmt_read_verify(
char *ptr;
int len;
xfs_daddr_t bno;
int blksize = mp->m_attr_geo->blksize;
/* no verification of non-crc buffers */
if (!xfs_sb_version_hascrc(&mp->m_sb))
......@@ -133,21 +134,20 @@ xfs_attr3_rmt_read_verify(
ptr = bp->b_addr;
bno = bp->b_bn;
len = BBTOB(bp->b_length);
ASSERT(len >= XFS_LBSIZE(mp));
ASSERT(len >= blksize);
while (len > 0) {
if (!xfs_verify_cksum(ptr, XFS_LBSIZE(mp),
XFS_ATTR3_RMT_CRC_OFF)) {
if (!xfs_verify_cksum(ptr, blksize, XFS_ATTR3_RMT_CRC_OFF)) {
xfs_buf_ioerror(bp, EFSBADCRC);
break;
}
if (!xfs_attr3_rmt_verify(mp, ptr, XFS_LBSIZE(mp), bno)) {
if (!xfs_attr3_rmt_verify(mp, ptr, blksize, bno)) {
xfs_buf_ioerror(bp, EFSCORRUPTED);
break;
}
len -= XFS_LBSIZE(mp);
ptr += XFS_LBSIZE(mp);
bno += mp->m_bsize;
len -= blksize;
ptr += blksize;
bno += BTOBB(blksize);
}
if (bp->b_error)
......@@ -165,6 +165,7 @@ xfs_attr3_rmt_write_verify(
char *ptr;
int len;
xfs_daddr_t bno;
int blksize = mp->m_attr_geo->blksize;
/* no verification of non-crc buffers */
if (!xfs_sb_version_hascrc(&mp->m_sb))
......@@ -173,10 +174,10 @@ xfs_attr3_rmt_write_verify(
ptr = bp->b_addr;
bno = bp->b_bn;
len = BBTOB(bp->b_length);
ASSERT(len >= XFS_LBSIZE(mp));
ASSERT(len >= blksize);
while (len > 0) {
if (!xfs_attr3_rmt_verify(mp, ptr, XFS_LBSIZE(mp), bno)) {
if (!xfs_attr3_rmt_verify(mp, ptr, blksize, bno)) {
xfs_buf_ioerror(bp, EFSCORRUPTED);
xfs_verifier_error(bp);
return;
......@@ -187,11 +188,11 @@ xfs_attr3_rmt_write_verify(
rmt = (struct xfs_attr3_rmt_hdr *)ptr;
rmt->rm_lsn = cpu_to_be64(bip->bli_item.li_lsn);
}
xfs_update_cksum(ptr, XFS_LBSIZE(mp), XFS_ATTR3_RMT_CRC_OFF);
xfs_update_cksum(ptr, blksize, XFS_ATTR3_RMT_CRC_OFF);
len -= XFS_LBSIZE(mp);
ptr += XFS_LBSIZE(mp);
bno += mp->m_bsize;
len -= blksize;
ptr += blksize;
bno += BTOBB(blksize);
}
ASSERT(len == 0);
}
......@@ -240,12 +241,13 @@ xfs_attr_rmtval_copyout(
char *src = bp->b_addr;
xfs_daddr_t bno = bp->b_bn;
int len = BBTOB(bp->b_length);
int blksize = mp->m_attr_geo->blksize;
ASSERT(len >= XFS_LBSIZE(mp));
ASSERT(len >= blksize);
while (len > 0 && *valuelen > 0) {
int hdr_size = 0;
int byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, XFS_LBSIZE(mp));
int byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, blksize);
byte_cnt = min(*valuelen, byte_cnt);
......@@ -263,9 +265,9 @@ xfs_attr_rmtval_copyout(
memcpy(*dst, src + hdr_size, byte_cnt);
/* roll buffer forwards */
len -= XFS_LBSIZE(mp);
src += XFS_LBSIZE(mp);
bno += mp->m_bsize;
len -= blksize;
src += blksize;
bno += BTOBB(blksize);
/* roll attribute data forwards */
*valuelen -= byte_cnt;
......@@ -287,12 +289,13 @@ xfs_attr_rmtval_copyin(
char *dst = bp->b_addr;
xfs_daddr_t bno = bp->b_bn;
int len = BBTOB(bp->b_length);
int blksize = mp->m_attr_geo->blksize;
ASSERT(len >= XFS_LBSIZE(mp));
ASSERT(len >= blksize);
while (len > 0 && *valuelen > 0) {
int hdr_size;
int byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, XFS_LBSIZE(mp));
int byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, blksize);
byte_cnt = min(*valuelen, byte_cnt);
hdr_size = xfs_attr3_rmt_hdr_set(mp, dst, ino, *offset,
......@@ -304,17 +307,17 @@ xfs_attr_rmtval_copyin(
* If this is the last block, zero the remainder of it.
* Check that we are actually the last block, too.
*/
if (byte_cnt + hdr_size < XFS_LBSIZE(mp)) {
if (byte_cnt + hdr_size < blksize) {
ASSERT(*valuelen - byte_cnt == 0);
ASSERT(len == XFS_LBSIZE(mp));
ASSERT(len == blksize);
memset(dst + hdr_size + byte_cnt, 0,
XFS_LBSIZE(mp) - hdr_size - byte_cnt);
blksize - hdr_size - byte_cnt);
}
/* roll buffer forwards */
len -= XFS_LBSIZE(mp);
dst += XFS_LBSIZE(mp);
bno += mp->m_bsize;
len -= blksize;
dst += blksize;
bno += BTOBB(blksize);
/* roll attribute data forwards */
*valuelen -= byte_cnt;
......
fs/xfs/xfs_bmap.c
浏览文件 @ 8612c7e5
......@@ -1098,10 +1098,11 @@ xfs_bmap_add_attrfork_local(
if (S_ISDIR(ip->i_d.di_mode)) {
memset(&dargs, 0, sizeof(dargs));
dargs.geo = ip->i_mount->m_dir_geo;
dargs.dp = ip;
dargs.firstblock = firstblock;
dargs.flist = flist;
dargs.total = ip->i_mount->m_dirblkfsbs;
dargs.total = dargs.geo->fsbcount;
dargs.whichfork = XFS_DATA_FORK;
dargs.trans = tp;
return xfs_dir2_sf_to_block(&dargs);
......
fs/xfs/xfs_da_btree.c
浏览文件 @ 8612c7e5
......@@ -167,8 +167,8 @@ xfs_da3_node_verify(
* we don't know if the node is for and attribute or directory tree,
* so only fail if the count is outside both bounds
*/
if (ichdr.count > mp->m_dir_node_ents &&
ichdr.count > mp->m_attr_node_ents)
if (ichdr.count > mp->m_dir_geo->node_ents &&
ichdr.count > mp->m_attr_geo->node_ents)
return false;
/* XXX: hash order check? */
......@@ -598,7 +598,7 @@ xfs_da3_root_split(
* Set up the new root node.
*/
error = xfs_da3_node_create(args,
(args->whichfork == XFS_DATA_FORK) ? mp->m_dirleafblk : 0,
(args->whichfork == XFS_DATA_FORK) ? args->geo->leafblk : 0,
level + 1, &bp, args->whichfork);
if (error)
return error;
......@@ -616,10 +616,10 @@ xfs_da3_root_split(
#ifdef DEBUG
if (oldroot->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
oldroot->hdr.info.magic == cpu_to_be16(XFS_DIR3_LEAFN_MAGIC)) {
ASSERT(blk1->blkno >= mp->m_dirleafblk &&
blk1->blkno < mp->m_dirfreeblk);
ASSERT(blk2->blkno >= mp->m_dirleafblk &&
blk2->blkno < mp->m_dirfreeblk);
ASSERT(blk1->blkno >= args->geo->leafblk &&
blk1->blkno < args->geo->freeblk);
ASSERT(blk2->blkno >= args->geo->leafblk &&
blk2->blkno < args->geo->freeblk);
}
#endif
......@@ -663,7 +663,7 @@ xfs_da3_node_split(
/*
* Do we have to split the node?
*/
if (nodehdr.count + newcount > state->node_ents) {
if (nodehdr.count + newcount > state->args->geo->node_ents) {
/*
* Allocate a new node, add to the doubly linked chain of
* nodes, then move some of our excess entries into it.
......@@ -894,8 +894,8 @@ xfs_da3_node_add(
ASSERT(oldblk->index >= 0 && oldblk->index <= nodehdr.count);
ASSERT(newblk->blkno != 0);
if (state->args->whichfork == XFS_DATA_FORK)
ASSERT(newblk->blkno >= state->mp->m_dirleafblk &&
newblk->blkno < state->mp->m_dirfreeblk);
ASSERT(newblk->blkno >= state->args->geo->leafblk &&
newblk->blkno < state->args->geo->freeblk);
/*
* We may need to make some room before we insert the new node.
......@@ -1089,14 +1089,15 @@ xfs_da3_root_join(
* that could occur. For dir3 blocks we also need to update the block
* number in the buffer header.
*/
memcpy(root_blk->bp->b_addr, bp->b_addr, state->blocksize);
memcpy(root_blk->bp->b_addr, bp->b_addr, args->geo->blksize);
root_blk->bp->b_ops = bp->b_ops;
xfs_trans_buf_copy_type(root_blk->bp, bp);
if (oldroothdr.magic == XFS_DA3_NODE_MAGIC) {
struct xfs_da3_blkinfo *da3 = root_blk->bp->b_addr;
da3->blkno = cpu_to_be64(root_blk->bp->b_bn);
}
xfs_trans_log_buf(args->trans, root_blk->bp, 0, state->blocksize - 1);
xfs_trans_log_buf(args->trans, root_blk->bp, 0,
args->geo->blksize - 1);
error = xfs_da_shrink_inode(args, child, bp);
return(error);
}
......@@ -1139,7 +1140,7 @@ xfs_da3_node_toosmall(
info = blk->bp->b_addr;
node = (xfs_da_intnode_t *)info;
dp->d_ops->node_hdr_from_disk(&nodehdr, node);
if (nodehdr.count > (state->node_ents >> 1)) {
if (nodehdr.count > (state->args->geo->node_ents >> 1)) {
*action = 0; /* blk over 50%, don't try to join */
return(0); /* blk over 50%, don't try to join */
}
......@@ -1176,8 +1177,8 @@ xfs_da3_node_toosmall(
* We prefer coalescing with the lower numbered sibling so as
* to shrink a directory over time.
*/
count = state->node_ents;
count -= state->node_ents >> 2;
count = state->args->geo->node_ents;
count -= state->args->geo->node_ents >> 2;
count -= nodehdr.count;
/* start with smaller blk num */
......@@ -1472,7 +1473,7 @@ xfs_da3_node_lookup_int(
* Descend thru the B-tree searching each level for the right
* node to use, until the right hashval is found.
*/
blkno = (args->whichfork == XFS_DATA_FORK)? state->mp->m_dirleafblk : 0;
blkno = (args->whichfork == XFS_DATA_FORK)? args->geo->leafblk : 0;
for (blk = &state->path.blk[0], state->path.active = 1;
state->path.active <= XFS_DA_NODE_MAXDEPTH;
blk++, state->path.active++) {
......@@ -2090,20 +2091,12 @@ xfs_da_grow_inode(
xfs_dablk_t *new_blkno)
{
xfs_fileoff_t bno;
int count;
int error;
trace_xfs_da_grow_inode(args);
if (args->whichfork == XFS_DATA_FORK) {
bno = args->dp->i_mount->m_dirleafblk;
count = args->dp->i_mount->m_dirblkfsbs;
} else {
bno = 0;
count = 1;
}
error = xfs_da_grow_inode_int(args, &bno, count);
bno = args->geo->leafblk;
error = xfs_da_grow_inode_int(args, &bno, args->geo->fsbcount);
if (!error)
*new_blkno = (xfs_dablk_t)bno;
return error;
......@@ -2158,7 +2151,7 @@ xfs_da3_swap_lastblock(
w = args->whichfork;
ASSERT(w == XFS_DATA_FORK);
mp = dp->i_mount;
lastoff = mp->m_dirfreeblk;
lastoff = args->geo->freeblk;
error = xfs_bmap_last_before(tp, dp, &lastoff, w);
if (error)
return error;
......@@ -2170,15 +2163,15 @@ xfs_da3_swap_lastblock(
/*
* Read the last block in the btree space.
*/
last_blkno = (xfs_dablk_t)lastoff - mp->m_dirblkfsbs;
last_blkno = (xfs_dablk_t)lastoff - args->geo->fsbcount;
error = xfs_da3_node_read(tp, dp, last_blkno, -1, &last_buf, w);
if (error)
return error;
/*
* Copy the last block into the dead buffer and log it.
*/
memcpy(dead_buf->b_addr, last_buf->b_addr, mp->m_dirblksize);
xfs_trans_log_buf(tp, dead_buf, 0, mp->m_dirblksize - 1);
memcpy(dead_buf->b_addr, last_buf->b_addr, args->geo->blksize);
xfs_trans_log_buf(tp, dead_buf, 0, args->geo->blksize - 1);
dead_info = dead_buf->b_addr;
/*
* Get values from the moved block.
......@@ -2247,7 +2240,7 @@ xfs_da3_swap_lastblock(
sizeof(sib_info->back)));
sib_buf = NULL;
}
par_blkno = mp->m_dirleafblk;
par_blkno = args->geo->leafblk;
level = -1;
/*
* Walk down the tree looking for the parent of the moved block.
......@@ -2357,10 +2350,7 @@ xfs_da_shrink_inode(
w = args->whichfork;
tp = args->trans;
mp = dp->i_mount;
if (w == XFS_DATA_FORK)
count = mp->m_dirblkfsbs;
else
count = 1;
count = args->geo->fsbcount;
for (;;) {
/*
* Remove extents. If we get ENOSPC for a dir we have to move
......@@ -2479,7 +2469,10 @@ xfs_dabuf_map(
ASSERT(map && *map);
ASSERT(*nmaps == 1);
nfsb = (whichfork == XFS_DATA_FORK) ? mp->m_dirblkfsbs : 1;
if (whichfork == XFS_DATA_FORK)
nfsb = mp->m_dir_geo->fsbcount;
else
nfsb = mp->m_attr_geo->fsbcount;
/*
* Caller doesn't have a mapping. -2 means don't complain
......
fs/xfs/xfs_da_btree.h
浏览文件 @ 8612c7e5
......@@ -25,6 +25,23 @@ struct xfs_trans;
struct zone;
struct xfs_dir_ops;
/*
* Directory/attribute geometry information. There will be one of these for each
* data fork type, and it will be passed around via the xfs_da_args. Global
* structures will be attached to the xfs_mount.
*/
struct xfs_da_geometry {
int blksize; /* da block size in bytes */
int fsbcount; /* da block size in filesystem blocks */
uint8_t fsblog; /* log2 of _filesystem_ block size */
uint8_t blklog; /* log2 of da block size */
uint node_ents; /* # of entries in a danode */
int magicpct; /* 37% of block size in bytes */
xfs_dablk_t datablk; /* blockno of dir data v2 */
xfs_dablk_t leafblk; /* blockno of leaf data v2 */
xfs_dablk_t freeblk; /* blockno of free data v2 */
};
/*========================================================================
* Btree searching and modification structure definitions.
*========================================================================*/
......@@ -42,6 +59,7 @@ enum xfs_dacmp {
* Structure to ease passing around component names.
*/
typedef struct xfs_da_args {
struct xfs_da_geometry *geo; /* da block geometry */
const __uint8_t *name; /* string (maybe not NULL terminated) */
int namelen; /* length of string (maybe no NULL) */
__uint8_t filetype; /* filetype of inode for directories */
......@@ -110,8 +128,6 @@ typedef struct xfs_da_state_path {
typedef struct xfs_da_state {
xfs_da_args_t *args; /* filename arguments */
struct xfs_mount *mp; /* filesystem mount point */
unsigned int blocksize; /* logical block size */
unsigned int node_ents; /* how many entries in danode */
xfs_da_state_path_t path; /* search/split paths */
xfs_da_state_path_t altpath; /* alternate path for join */
unsigned char inleaf; /* insert into 1->lf, 0->splf */
......
fs/xfs/xfs_da_format.c
浏览文件 @ 8612c7e5
......@@ -26,8 +26,10 @@
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_inode.h"
#include "xfs_dir2.h"
#include "xfs_dir2_priv.h"
/*
* Shortform directory ops
......@@ -425,9 +427,9 @@ xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr)
* Directory Leaf block operations
*/
static int
xfs_dir2_max_leaf_ents(struct xfs_mount *mp)
xfs_dir2_max_leaf_ents(struct xfs_da_geometry *geo)
{
return (mp->m_dirblksize - sizeof(struct xfs_dir2_leaf_hdr)) /
return (geo->blksize - sizeof(struct xfs_dir2_leaf_hdr)) /
(uint)sizeof(struct xfs_dir2_leaf_entry);
}
......@@ -438,9 +440,9 @@ xfs_dir2_leaf_ents_p(struct xfs_dir2_leaf *lp)
}
static int
xfs_dir3_max_leaf_ents(struct xfs_mount *mp)
xfs_dir3_max_leaf_ents(struct xfs_da_geometry *geo)
{
return (mp->m_dirblksize - sizeof(struct xfs_dir3_leaf_hdr)) /
return (geo->blksize - sizeof(struct xfs_dir3_leaf_hdr)) /
(uint)sizeof(struct xfs_dir2_leaf_entry);
}
......@@ -591,9 +593,9 @@ xfs_da3_node_hdr_to_disk(
* Directory free space block operations
*/
static int
xfs_dir2_free_max_bests(struct xfs_mount *mp)
xfs_dir2_free_max_bests(struct xfs_da_geometry *geo)
{
return (mp->m_dirblksize - sizeof(struct xfs_dir2_free_hdr)) /
return (geo->blksize - sizeof(struct xfs_dir2_free_hdr)) /
sizeof(xfs_dir2_data_off_t);
}
......@@ -607,24 +609,25 @@ xfs_dir2_free_bests_p(struct xfs_dir2_free *free)
* Convert data space db to the corresponding free db.
*/
static xfs_dir2_db_t
xfs_dir2_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db)
xfs_dir2_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return XFS_DIR2_FREE_FIRSTDB(mp) + db / xfs_dir2_free_max_bests(mp);
return xfs_dir2_byte_to_db(geo, XFS_DIR2_FREE_OFFSET) +
(db / xfs_dir2_free_max_bests(geo));
}
/*
* Convert data space db to the corresponding index in a free db.
*/
static int
xfs_dir2_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db)
xfs_dir2_db_to_fdindex(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return db % xfs_dir2_free_max_bests(mp);
return db % xfs_dir2_free_max_bests(geo);
}
static int
xfs_dir3_free_max_bests(struct xfs_mount *mp)
xfs_dir3_free_max_bests(struct xfs_da_geometry *geo)
{
return (mp->m_dirblksize - sizeof(struct xfs_dir3_free_hdr)) /
return (geo->blksize - sizeof(struct xfs_dir3_free_hdr)) /
sizeof(xfs_dir2_data_off_t);
}
......@@ -638,18 +641,19 @@ xfs_dir3_free_bests_p(struct xfs_dir2_free *free)
* Convert data space db to the corresponding free db.
*/
static xfs_dir2_db_t
xfs_dir3_db_to_fdb(struct xfs_mount *mp, xfs_dir2_db_t db)
xfs_dir3_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return XFS_DIR2_FREE_FIRSTDB(mp) + db / xfs_dir3_free_max_bests(mp);
return xfs_dir2_byte_to_db(geo, XFS_DIR2_FREE_OFFSET) +
(db / xfs_dir3_free_max_bests(geo));
}
/*
* Convert data space db to the corresponding index in a free db.
*/
static int
xfs_dir3_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db)
xfs_dir3_db_to_fdindex(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return db % xfs_dir3_free_max_bests(mp);
return db % xfs_dir3_free_max_bests(geo);
}
static void
......
fs/xfs/xfs_da_format.h
浏览文件 @ 8612c7e5
......@@ -19,10 +19,6 @@
#ifndef __XFS_DA_FORMAT_H__
#define __XFS_DA_FORMAT_H__
/*========================================================================
* Directory Structure when greater than XFS_LBSIZE(mp) bytes.
*========================================================================*/
/*
* This structure is common to both leaf nodes and non-leaf nodes in the Btree.
*
......@@ -122,8 +118,6 @@ struct xfs_da3_icnode_hdr {
__uint16_t level;
};
#define XFS_LBSIZE(mp) (mp)->m_sb.sb_blocksize
/*
* Directory version 2.
*
......@@ -330,8 +324,6 @@ xfs_dir2_sf_firstentry(struct xfs_dir2_sf_hdr *hdr)
#define XFS_DIR2_SPACE_SIZE (1ULL << (32 + XFS_DIR2_DATA_ALIGN_LOG))
#define XFS_DIR2_DATA_SPACE 0
#define XFS_DIR2_DATA_OFFSET (XFS_DIR2_DATA_SPACE * XFS_DIR2_SPACE_SIZE)
#define XFS_DIR2_DATA_FIRSTDB(mp) \
xfs_dir2_byte_to_db(mp, XFS_DIR2_DATA_OFFSET)
/*
* Describe a free area in the data block.
......@@ -456,8 +448,6 @@ xfs_dir2_data_unused_tag_p(struct xfs_dir2_data_unused *dup)
*/
#define XFS_DIR2_LEAF_SPACE 1
#define XFS_DIR2_LEAF_OFFSET (XFS_DIR2_LEAF_SPACE * XFS_DIR2_SPACE_SIZE)
#define XFS_DIR2_LEAF_FIRSTDB(mp) \
xfs_dir2_byte_to_db(mp, XFS_DIR2_LEAF_OFFSET)
/*
* Leaf block header.
......@@ -513,17 +503,6 @@ struct xfs_dir3_leaf {
#define XFS_DIR3_LEAF_CRC_OFF offsetof(struct xfs_dir3_leaf_hdr, info.crc)
/*
* Get address of the bestcount field in the single-leaf block.
*/
static inline struct xfs_dir2_leaf_tail *
xfs_dir2_leaf_tail_p(struct xfs_mount *mp, struct xfs_dir2_leaf *lp)
{
return (struct xfs_dir2_leaf_tail *)
((char *)lp + mp->m_dirblksize -
sizeof(struct xfs_dir2_leaf_tail));
}
/*
* Get address of the bests array in the single-leaf block.
*/
......@@ -533,123 +512,6 @@ xfs_dir2_leaf_bests_p(struct xfs_dir2_leaf_tail *ltp)
return (__be16 *)ltp - be32_to_cpu(ltp->bestcount);
}
/*
* DB blocks here are logical directory block numbers, not filesystem blocks.
*/
/*
* Convert dataptr to byte in file space
*/
static inline xfs_dir2_off_t
xfs_dir2_dataptr_to_byte(xfs_dir2_dataptr_t dp)
{
return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG;
}
/*
* Convert byte in file space to dataptr. It had better be aligned.
*/
static inline xfs_dir2_dataptr_t
xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by)
{
return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG);
}
/*
* Convert byte in space to (DB) block
*/
static inline xfs_dir2_db_t
xfs_dir2_byte_to_db(struct xfs_mount *mp, xfs_dir2_off_t by)
{
return (xfs_dir2_db_t)
(by >> (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog));
}
/*
* Convert dataptr to a block number
*/
static inline xfs_dir2_db_t
xfs_dir2_dataptr_to_db(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
{
return xfs_dir2_byte_to_db(mp, xfs_dir2_dataptr_to_byte(dp));
}
/*
* Convert byte in space to offset in a block
*/
static inline xfs_dir2_data_aoff_t
xfs_dir2_byte_to_off(struct xfs_mount *mp, xfs_dir2_off_t by)
{
return (xfs_dir2_data_aoff_t)(by &
((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) - 1));
}
/*
* Convert dataptr to a byte offset in a block
*/
static inline xfs_dir2_data_aoff_t
xfs_dir2_dataptr_to_off(struct xfs_mount *mp, xfs_dir2_dataptr_t dp)
{
return xfs_dir2_byte_to_off(mp, xfs_dir2_dataptr_to_byte(dp));
}
/*
* Convert block and offset to byte in space
*/
static inline xfs_dir2_off_t
xfs_dir2_db_off_to_byte(struct xfs_mount *mp, xfs_dir2_db_t db,
xfs_dir2_data_aoff_t o)
{
return ((xfs_dir2_off_t)db <<
(mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) + o;
}
/*
* Convert block (DB) to block (dablk)
*/
static inline xfs_dablk_t
xfs_dir2_db_to_da(struct xfs_mount *mp, xfs_dir2_db_t db)
{
return (xfs_dablk_t)(db << mp->m_sb.sb_dirblklog);
}
/*
* Convert byte in space to (DA) block
*/
static inline xfs_dablk_t
xfs_dir2_byte_to_da(struct xfs_mount *mp, xfs_dir2_off_t by)
{
return xfs_dir2_db_to_da(mp, xfs_dir2_byte_to_db(mp, by));
}
/*
* Convert block and offset to dataptr
*/
static inline xfs_dir2_dataptr_t
xfs_dir2_db_off_to_dataptr(struct xfs_mount *mp, xfs_dir2_db_t db,
xfs_dir2_data_aoff_t o)
{
return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(mp, db, o));
}
/*
* Convert block (dablk) to block (DB)
*/
static inline xfs_dir2_db_t
xfs_dir2_da_to_db(struct xfs_mount *mp, xfs_dablk_t da)
{
return (xfs_dir2_db_t)(da >> mp->m_sb.sb_dirblklog);
}
/*
* Convert block (dablk) to byte offset in space
*/
static inline xfs_dir2_off_t
xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da)
{
return xfs_dir2_db_off_to_byte(mp, xfs_dir2_da_to_db(mp, da), 0);
}
/*
* Free space block defintions for the node format.
*/
......@@ -659,8 +521,6 @@ xfs_dir2_da_to_byte(struct xfs_mount *mp, xfs_dablk_t da)
*/
#define XFS_DIR2_FREE_SPACE 2
#define XFS_DIR2_FREE_OFFSET (XFS_DIR2_FREE_SPACE * XFS_DIR2_SPACE_SIZE)
#define XFS_DIR2_FREE_FIRSTDB(mp) \
xfs_dir2_byte_to_db(mp, XFS_DIR2_FREE_OFFSET)
typedef struct xfs_dir2_free_hdr {
__be32 magic; /* XFS_DIR2_FREE_MAGIC */
......@@ -735,16 +595,6 @@ typedef struct xfs_dir2_block_tail {
__be32 stale; /* count of stale lf entries */
} xfs_dir2_block_tail_t;
/*
* Pointer to the leaf header embedded in a data block (1-block format)
*/
static inline struct xfs_dir2_block_tail *
xfs_dir2_block_tail_p(struct xfs_mount *mp, struct xfs_dir2_data_hdr *hdr)
{
return ((struct xfs_dir2_block_tail *)
((char *)hdr + mp->m_dirblksize)) - 1;
}
/*
* Pointer to the leaf entries embedded in a data block (1-block format)
*/
......@@ -764,10 +614,6 @@ xfs_dir2_block_leaf_p(struct xfs_dir2_block_tail *btp)
* of an attribute name may not be unique, we may have duplicate keys. The
* internal links in the Btree are logical block offsets into the file.
*
*========================================================================
* Attribute structure when equal to XFS_LBSIZE(mp) bytes.
*========================================================================
*
* Struct leaf_entry's are packed from the top. Name/values grow from the
* bottom but are not packed. The freemap contains run-length-encoded entries
* for the free bytes after the leaf_entry's, but only the N largest such,
......
fs/xfs/xfs_dir2.c
浏览文件 @ 8612c7e5
......@@ -85,11 +85,12 @@ static struct xfs_nameops xfs_ascii_ci_nameops = {
.compname = xfs_ascii_ci_compname,
};
void
xfs_dir_mount(
xfs_mount_t *mp)
int
xfs_da_mount(
struct xfs_mount *mp)
{
int nodehdr_size;
struct xfs_da_geometry *dageo;
int nodehdr_size;
ASSERT(mp->m_sb.sb_versionnum & XFS_SB_VERSION_DIRV2BIT);
......@@ -99,24 +100,59 @@ xfs_dir_mount(
mp->m_dir_inode_ops = xfs_dir_get_ops(mp, NULL);
mp->m_nondir_inode_ops = xfs_nondir_get_ops(mp, NULL);
mp->m_dirblksize = 1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog);
mp->m_dirblkfsbs = 1 << mp->m_sb.sb_dirblklog;
mp->m_dirdatablk = xfs_dir2_db_to_da(mp, XFS_DIR2_DATA_FIRSTDB(mp));
mp->m_dirleafblk = xfs_dir2_db_to_da(mp, XFS_DIR2_LEAF_FIRSTDB(mp));
mp->m_dirfreeblk = xfs_dir2_db_to_da(mp, XFS_DIR2_FREE_FIRSTDB(mp));
nodehdr_size = mp->m_dir_inode_ops->node_hdr_size;
mp->m_attr_node_ents = (mp->m_sb.sb_blocksize - nodehdr_size) /
mp->m_dir_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
KM_SLEEP | KM_MAYFAIL);
mp->m_attr_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
KM_SLEEP | KM_MAYFAIL);
if (!mp->m_dir_geo || !mp->m_attr_geo) {
kmem_free(mp->m_dir_geo);
kmem_free(mp->m_attr_geo);
return ENOMEM;
}
/* set up directory geometry */
dageo = mp->m_dir_geo;
dageo->blklog = mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog;
dageo->fsblog = mp->m_sb.sb_blocklog;
dageo->blksize = 1 << dageo->blklog;
dageo->fsbcount = 1 << mp->m_sb.sb_dirblklog;
/*
* Now we've set up the block conversion variables, we can calculate the
* segment block constants using the geometry structure.
*/
dageo->datablk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_DATA_OFFSET);
dageo->leafblk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_LEAF_OFFSET);
dageo->freeblk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_FREE_OFFSET);
dageo->node_ents = (dageo->blksize - nodehdr_size) /
(uint)sizeof(xfs_da_node_entry_t);
mp->m_dir_node_ents = (mp->m_dirblksize - nodehdr_size) /
dageo->magicpct = (dageo->blksize * 37) / 100;
/* set up attribute geometry - single fsb only */
dageo = mp->m_attr_geo;
dageo->blklog = mp->m_sb.sb_blocklog;
dageo->fsblog = mp->m_sb.sb_blocklog;
dageo->blksize = 1 << dageo->blklog;
dageo->fsbcount = 1;
dageo->node_ents = (dageo->blksize - nodehdr_size) /
(uint)sizeof(xfs_da_node_entry_t);
dageo->magicpct = (dageo->blksize * 37) / 100;
mp->m_dir_magicpct = (mp->m_dirblksize * 37) / 100;
if (xfs_sb_version_hasasciici(&mp->m_sb))
mp->m_dirnameops = &xfs_ascii_ci_nameops;
else
mp->m_dirnameops = &xfs_default_nameops;
return 0;
}
void
xfs_da_unmount(
struct xfs_mount *mp)
{
kmem_free(mp->m_dir_geo);
kmem_free(mp->m_attr_geo);
}
/*
......@@ -192,6 +228,7 @@ xfs_dir_init(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->dp = dp;
args->trans = tp;
error = xfs_dir2_sf_create(args, pdp->i_ino);
......@@ -226,6 +263,7 @@ xfs_dir_createname(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
......@@ -244,7 +282,7 @@ xfs_dir_createname(
goto out_free;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
......@@ -252,7 +290,7 @@ xfs_dir_createname(
goto out_free;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
......@@ -320,6 +358,7 @@ xfs_dir_lookup(
* annotations into the reclaim path for the ilock.
*/
args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
......@@ -336,7 +375,7 @@ xfs_dir_lookup(
goto out_check_rval;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
......@@ -344,7 +383,7 @@ xfs_dir_lookup(
goto out_check_rval;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
......@@ -391,6 +430,7 @@ xfs_dir_removename(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
......@@ -408,7 +448,7 @@ xfs_dir_removename(
goto out_free;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
......@@ -416,7 +456,7 @@ xfs_dir_removename(
goto out_free;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
......@@ -455,6 +495,7 @@ xfs_dir_replace(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
......@@ -472,7 +513,7 @@ xfs_dir_replace(
goto out_free;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
......@@ -480,7 +521,7 @@ xfs_dir_replace(
goto out_free;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
......@@ -516,6 +557,7 @@ xfs_dir_canenter(
if (!args)
return ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
......@@ -531,7 +573,7 @@ xfs_dir_canenter(
goto out_free;
}
rval = xfs_dir2_isblock(dp, &v);
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
......@@ -539,7 +581,7 @@ xfs_dir_canenter(
goto out_free;
}
rval = xfs_dir2_isleaf(dp, &v);
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
......@@ -579,13 +621,13 @@ xfs_dir2_grow_inode(
* Set lowest possible block in the space requested.
*/
bno = XFS_B_TO_FSBT(mp, space * XFS_DIR2_SPACE_SIZE);
count = mp->m_dirblkfsbs;
count = args->geo->fsbcount;
error = xfs_da_grow_inode_int(args, &bno, count);
if (error)
return error;
*dbp = xfs_dir2_da_to_db(mp, (xfs_dablk_t)bno);
*dbp = xfs_dir2_da_to_db(args->geo, (xfs_dablk_t)bno);
/*
* Update file's size if this is the data space and it grew.
......@@ -607,18 +649,16 @@ xfs_dir2_grow_inode(
*/
int
xfs_dir2_isblock(
xfs_inode_t *dp,
int *vp) /* out: 1 is block, 0 is not block */
struct xfs_da_args *args,
int *vp) /* out: 1 is block, 0 is not block */
{
xfs_fileoff_t last; /* last file offset */
xfs_mount_t *mp;
int rval;
xfs_fileoff_t last; /* last file offset */
int rval;
mp = dp->i_mount;
if ((rval = xfs_bmap_last_offset(dp, &last, XFS_DATA_FORK)))
if ((rval = xfs_bmap_last_offset(args->dp, &last, XFS_DATA_FORK)))
return rval;
rval = XFS_FSB_TO_B(mp, last) == mp->m_dirblksize;
ASSERT(rval == 0 || dp->i_d.di_size == mp->m_dirblksize);
rval = XFS_FSB_TO_B(args->dp->i_mount, last) == args->geo->blksize;
ASSERT(rval == 0 || args->dp->i_d.di_size == args->geo->blksize);
*vp = rval;
return 0;
}
......@@ -628,17 +668,15 @@ xfs_dir2_isblock(
*/
int
xfs_dir2_isleaf(
xfs_inode_t *dp,
int *vp) /* out: 1 is leaf, 0 is not leaf */
struct xfs_da_args *args,
int *vp) /* out: 1 is block, 0 is not block */
{
xfs_fileoff_t last; /* last file offset */
xfs_mount_t *mp;
int rval;
xfs_fileoff_t last; /* last file offset */
int rval;
mp = dp->i_mount;
if ((rval = xfs_bmap_last_offset(dp, &last, XFS_DATA_FORK)))
if ((rval = xfs_bmap_last_offset(args->dp, &last, XFS_DATA_FORK)))
return rval;
*vp = last == mp->m_dirleafblk + (1 << mp->m_sb.sb_dirblklog);
*vp = last == args->geo->leafblk + args->geo->fsbcount;
return 0;
}
......@@ -666,11 +704,11 @@ xfs_dir2_shrink_inode(
dp = args->dp;
mp = dp->i_mount;
tp = args->trans;
da = xfs_dir2_db_to_da(mp, db);
da = xfs_dir2_db_to_da(args->geo, db);
/*
* Unmap the fsblock(s).
*/
if ((error = xfs_bunmapi(tp, dp, da, mp->m_dirblkfsbs,
if ((error = xfs_bunmapi(tp, dp, da, args->geo->fsbcount,
XFS_BMAPI_METADATA, 0, args->firstblock, args->flist,
&done))) {
/*
......@@ -697,12 +735,12 @@ xfs_dir2_shrink_inode(
/*
* If it's not a data block, we're done.
*/
if (db >= XFS_DIR2_LEAF_FIRSTDB(mp))
if (db >= xfs_dir2_byte_to_db(args->geo, XFS_DIR2_LEAF_OFFSET))
return 0;
/*
* If the block isn't the last one in the directory, we're done.
*/
if (dp->i_d.di_size > xfs_dir2_db_off_to_byte(mp, db + 1, 0))
if (dp->i_d.di_size > xfs_dir2_db_off_to_byte(args->geo, db + 1, 0))
return 0;
bno = da;
if ((error = xfs_bmap_last_before(tp, dp, &bno, XFS_DATA_FORK))) {
......@@ -711,7 +749,7 @@ xfs_dir2_shrink_inode(
*/
return error;
}
if (db == mp->m_dirdatablk)
if (db == args->geo->datablk)
ASSERT(bno == 0);
else
ASSERT(bno > 0);
......
fs/xfs/xfs_dir2.h
浏览文件 @ 8612c7e5
......@@ -80,7 +80,7 @@ struct xfs_dir_ops {
struct xfs_dir3_icleaf_hdr *from);
void (*leaf_hdr_from_disk)(struct xfs_dir3_icleaf_hdr *to,
struct xfs_dir2_leaf *from);
int (*leaf_max_ents)(struct xfs_mount *mp);
int (*leaf_max_ents)(struct xfs_da_geometry *geo);
struct xfs_dir2_leaf_entry *
(*leaf_ents_p)(struct xfs_dir2_leaf *lp);
......@@ -97,10 +97,12 @@ struct xfs_dir_ops {
struct xfs_dir3_icfree_hdr *from);
void (*free_hdr_from_disk)(struct xfs_dir3_icfree_hdr *to,
struct xfs_dir2_free *from);
int (*free_max_bests)(struct xfs_mount *mp);
int (*free_max_bests)(struct xfs_da_geometry *geo);
__be16 * (*free_bests_p)(struct xfs_dir2_free *free);
xfs_dir2_db_t (*db_to_fdb)(struct xfs_mount *mp, xfs_dir2_db_t db);
int (*db_to_fdindex)(struct xfs_mount *mp, xfs_dir2_db_t db);
xfs_dir2_db_t (*db_to_fdb)(struct xfs_da_geometry *geo,
xfs_dir2_db_t db);
int (*db_to_fdindex)(struct xfs_da_geometry *geo,
xfs_dir2_db_t db);
};
extern const struct xfs_dir_ops *
......@@ -112,7 +114,9 @@ extern const struct xfs_dir_ops *
* Generic directory interface routines
*/
extern void xfs_dir_startup(void);
extern void xfs_dir_mount(struct xfs_mount *mp);
extern int xfs_da_mount(struct xfs_mount *mp);
extern void xfs_da_unmount(struct xfs_mount *mp);
extern int xfs_dir_isempty(struct xfs_inode *dp);
extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
struct xfs_inode *pdp);
......@@ -142,23 +146,23 @@ extern int xfs_dir2_sf_to_block(struct xfs_da_args *args);
/*
* Interface routines used by userspace utilities
*/
extern int xfs_dir2_isblock(struct xfs_inode *dp, int *r);
extern int xfs_dir2_isleaf(struct xfs_inode *dp, int *r);
extern int xfs_dir2_isblock(struct xfs_da_args *args, int *r);
extern int xfs_dir2_isleaf(struct xfs_da_args *args, int *r);
extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
struct xfs_buf *bp);
extern void xfs_dir2_data_freescan(struct xfs_inode *dp,
struct xfs_dir2_data_hdr *hdr, int *loghead);
extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir2_data_log_entry(struct xfs_da_args *args,
struct xfs_buf *bp, struct xfs_dir2_data_entry *dep);
extern void xfs_dir2_data_log_header(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir2_data_log_header(struct xfs_da_args *args,
struct xfs_buf *bp);
extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp,
struct xfs_dir2_data_unused *dup);
extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir2_data_log_unused(struct xfs_da_args *args,
struct xfs_buf *bp, struct xfs_dir2_data_unused *dup);
extern void xfs_dir2_data_make_free(struct xfs_da_args *args,
struct xfs_buf *bp, xfs_dir2_data_aoff_t offset,
xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp);
extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir2_data_use_free(struct xfs_da_args *args,
struct xfs_buf *bp, struct xfs_dir2_data_unused *dup,
xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len,
int *needlogp, int *needscanp);
......
fs/xfs/xfs_dir2_block.c
浏览文件 @ 8612c7e5
......@@ -136,7 +136,7 @@ xfs_dir3_block_read(
struct xfs_mount *mp = dp->i_mount;
int err;
err = xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, bpp,
err = xfs_da_read_buf(tp, dp, mp->m_dir_geo->datablk, -1, bpp,
XFS_DATA_FORK, &xfs_dir3_block_buf_ops);
if (!err && tp)
xfs_trans_buf_set_type(tp, *bpp, XFS_BLFT_DIR_BLOCK_BUF);
......@@ -281,8 +281,7 @@ xfs_dir2_block_need_space(
*/
static void
xfs_dir2_block_compact(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
struct xfs_dir2_data_hdr *hdr,
struct xfs_dir2_block_tail *btp,
......@@ -315,7 +314,7 @@ xfs_dir2_block_compact(
*lfloglow = toidx + 1 - (be32_to_cpu(btp->stale) - 1);
*lfloghigh -= be32_to_cpu(btp->stale) - 1;
be32_add_cpu(&btp->count, -(be32_to_cpu(btp->stale) - 1));
xfs_dir2_data_make_free(tp, dp, bp,
xfs_dir2_data_make_free(args, bp,
(xfs_dir2_data_aoff_t)((char *)blp - (char *)hdr),
(xfs_dir2_data_aoff_t)((be32_to_cpu(btp->stale) - 1) * sizeof(*blp)),
needlog, &needscan);
......@@ -325,7 +324,7 @@ xfs_dir2_block_compact(
* This needs to happen before the next call to use_free.
*/
if (needscan)
xfs_dir2_data_freescan(dp, hdr, needlog);
xfs_dir2_data_freescan(args->dp, hdr, needlog);
}
/*
......@@ -377,7 +376,7 @@ xfs_dir2_block_addname(
* Set up pointers to parts of the block.
*/
hdr = bp->b_addr;
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
......@@ -420,7 +419,7 @@ xfs_dir2_block_addname(
* If need to compact the leaf entries, do it now.
*/
if (compact) {
xfs_dir2_block_compact(tp, dp, bp, hdr, btp, blp, &needlog,
xfs_dir2_block_compact(args, bp, hdr, btp, blp, &needlog,
&lfloghigh, &lfloglow);
/* recalculate blp post-compaction */
blp = xfs_dir2_block_leaf_p(btp);
......@@ -455,7 +454,7 @@ xfs_dir2_block_addname(
/*
* Mark the space needed for the new leaf entry, now in use.
*/
xfs_dir2_data_use_free(tp, dp, bp, enddup,
xfs_dir2_data_use_free(args, bp, enddup,
(xfs_dir2_data_aoff_t)
((char *)enddup - (char *)hdr + be16_to_cpu(enddup->length) -
sizeof(*blp)),
......@@ -542,7 +541,7 @@ xfs_dir2_block_addname(
/*
* Mark space for the data entry used.
*/
xfs_dir2_data_use_free(tp, dp, bp, dup,
xfs_dir2_data_use_free(args, bp, dup,
(xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr),
(xfs_dir2_data_aoff_t)len, &needlog, &needscan);
/*
......@@ -560,9 +559,9 @@ xfs_dir2_block_addname(
if (needscan)
xfs_dir2_data_freescan(dp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dp, bp);
xfs_dir2_data_log_header(args, bp);
xfs_dir2_block_log_tail(tp, bp);
xfs_dir2_data_log_entry(tp, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
xfs_dir3_data_check(dp, bp);
return 0;
}
......@@ -581,7 +580,7 @@ xfs_dir2_block_log_leaf(
xfs_dir2_leaf_entry_t *blp;
xfs_dir2_block_tail_t *btp;
btp = xfs_dir2_block_tail_p(tp->t_mountp, hdr);
btp = xfs_dir2_block_tail_p(tp->t_mountp->m_dir_geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
xfs_trans_log_buf(tp, bp, (uint)((char *)&blp[first] - (char *)hdr),
(uint)((char *)&blp[last + 1] - (char *)hdr - 1));
......@@ -598,7 +597,7 @@ xfs_dir2_block_log_tail(
xfs_dir2_data_hdr_t *hdr = bp->b_addr;
xfs_dir2_block_tail_t *btp;
btp = xfs_dir2_block_tail_p(tp->t_mountp, hdr);
btp = xfs_dir2_block_tail_p(tp->t_mountp->m_dir_geo, hdr);
xfs_trans_log_buf(tp, bp, (uint)((char *)btp - (char *)hdr),
(uint)((char *)(btp + 1) - (char *)hdr - 1));
}
......@@ -633,13 +632,14 @@ xfs_dir2_block_lookup(
mp = dp->i_mount;
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
* Get the offset from the leaf entry, to point to the data.
*/
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address)));
xfs_dir2_dataptr_to_off(args->geo,
be32_to_cpu(blp[ent].address)));
/*
* Fill in inode number, CI name if appropriate, release the block.
*/
......@@ -685,7 +685,7 @@ xfs_dir2_block_lookup_int(
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
* Loop doing a binary search for our hash value.
......@@ -723,7 +723,7 @@ xfs_dir2_block_lookup_int(
* Get pointer to the entry from the leaf.
*/
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, addr));
((char *)hdr + xfs_dir2_dataptr_to_off(args->geo, addr));
/*
* Compare name and if it's an exact match, return the index
* and buffer. If it's the first case-insensitive match, store
......@@ -790,18 +790,19 @@ xfs_dir2_block_removename(
tp = args->trans;
mp = dp->i_mount;
hdr = bp->b_addr;
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
* Point to the data entry using the leaf entry.
*/
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address)));
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
xfs_dir2_dataptr_to_off(args->geo,
be32_to_cpu(blp[ent].address)));
/*
* Mark the data entry's space free.
*/
needlog = needscan = 0;
xfs_dir2_data_make_free(tp, dp, bp,
xfs_dir2_data_make_free(args, bp,
(xfs_dir2_data_aoff_t)((char *)dep - (char *)hdr),
dp->d_ops->data_entsize(dep->namelen), &needlog, &needscan);
/*
......@@ -820,7 +821,7 @@ xfs_dir2_block_removename(
if (needscan)
xfs_dir2_data_freescan(dp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dp, bp);
xfs_dir2_data_log_header(args, bp);
xfs_dir3_data_check(dp, bp);
/*
* See if the size as a shortform is good enough.
......@@ -865,20 +866,21 @@ xfs_dir2_block_replace(
dp = args->dp;
mp = dp->i_mount;
hdr = bp->b_addr;
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
* Point to the data entry we need to change.
*/
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(blp[ent].address)));
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
xfs_dir2_dataptr_to_off(args->geo,
be32_to_cpu(blp[ent].address)));
ASSERT(be64_to_cpu(dep->inumber) != args->inumber);
/*
* Change the inode number to the new value.
*/
dep->inumber = cpu_to_be64(args->inumber);
dp->d_ops->data_put_ftype(dep, args->filetype);
xfs_dir2_data_log_entry(args->trans, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
xfs_dir3_data_check(dp, bp);
return 0;
}
......@@ -938,7 +940,7 @@ xfs_dir2_leaf_to_block(
leaf = lbp->b_addr;
dp->d_ops->leaf_hdr_from_disk(&leafhdr, leaf);
ents = dp->d_ops->leaf_ents_p(leaf);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
ASSERT(leafhdr.magic == XFS_DIR2_LEAF1_MAGIC ||
leafhdr.magic == XFS_DIR3_LEAF1_MAGIC);
......@@ -948,13 +950,13 @@ xfs_dir2_leaf_to_block(
* been left behind during no-space-reservation operations.
* These will show up in the leaf bests table.
*/
while (dp->i_d.di_size > mp->m_dirblksize) {
while (dp->i_d.di_size > args->geo->blksize) {
int hdrsz;
hdrsz = dp->d_ops->data_entry_offset;
bestsp = xfs_dir2_leaf_bests_p(ltp);
if (be16_to_cpu(bestsp[be32_to_cpu(ltp->bestcount) - 1]) ==
mp->m_dirblksize - hdrsz) {
args->geo->blksize - hdrsz) {
if ((error =
xfs_dir2_leaf_trim_data(args, lbp,
(xfs_dir2_db_t)(be32_to_cpu(ltp->bestcount) - 1))))
......@@ -966,7 +968,7 @@ xfs_dir2_leaf_to_block(
* Read the data block if we don't already have it, give up if it fails.
*/
if (!dbp) {
error = xfs_dir3_data_read(tp, dp, mp->m_dirdatablk, -1, &dbp);
error = xfs_dir3_data_read(tp, dp, args->geo->datablk, -1, &dbp);
if (error)
return error;
}
......@@ -982,7 +984,7 @@ xfs_dir2_leaf_to_block(
/*
* Look at the last data entry.
*/
tagp = (__be16 *)((char *)hdr + mp->m_dirblksize) - 1;
tagp = (__be16 *)((char *)hdr + args->geo->blksize) - 1;
dup = (xfs_dir2_data_unused_t *)((char *)hdr + be16_to_cpu(*tagp));
/*
* If it's not free or is too short we can't do it.
......@@ -1001,12 +1003,12 @@ xfs_dir2_leaf_to_block(
/*
* Use up the space at the end of the block (blp/btp).
*/
xfs_dir2_data_use_free(tp, dp, dbp, dup, mp->m_dirblksize - size, size,
xfs_dir2_data_use_free(args, dbp, dup, args->geo->blksize - size, size,
&needlog, &needscan);
/*
* Initialize the block tail.
*/
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
btp->count = cpu_to_be32(leafhdr.count - leafhdr.stale);
btp->stale = 0;
xfs_dir2_block_log_tail(tp, dbp);
......@@ -1027,11 +1029,11 @@ xfs_dir2_leaf_to_block(
if (needscan)
xfs_dir2_data_freescan(dp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dp, dbp);
xfs_dir2_data_log_header(args, dbp);
/*
* Pitch the old leaf block.
*/
error = xfs_da_shrink_inode(args, mp->m_dirleafblk, lbp);
error = xfs_da_shrink_inode(args, args->geo->leafblk, lbp);
if (error)
return error;
......@@ -1140,13 +1142,13 @@ xfs_dir2_sf_to_block(
*/
dup = dp->d_ops->data_unused_p(hdr);
needlog = needscan = 0;
xfs_dir2_data_use_free(tp, dp, bp, dup, mp->m_dirblksize - i, i, &needlog,
&needscan);
xfs_dir2_data_use_free(args, bp, dup, args->geo->blksize - i,
i, &needlog, &needscan);
ASSERT(needscan == 0);
/*
* Fill in the tail.
*/
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
btp->count = cpu_to_be32(sfp->count + 2); /* ., .. */
btp->stale = 0;
blp = xfs_dir2_block_leaf_p(btp);
......@@ -1154,7 +1156,7 @@ xfs_dir2_sf_to_block(
/*
* Remove the freespace, we'll manage it.
*/
xfs_dir2_data_use_free(tp, dp, bp, dup,
xfs_dir2_data_use_free(args, bp, dup,
(xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr),
be16_to_cpu(dup->length), &needlog, &needscan);
/*
......@@ -1167,7 +1169,7 @@ xfs_dir2_sf_to_block(
dp->d_ops->data_put_ftype(dep, XFS_DIR3_FT_DIR);
tagp = dp->d_ops->data_entry_tag_p(dep);
*tagp = cpu_to_be16((char *)dep - (char *)hdr);
xfs_dir2_data_log_entry(tp, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
blp[0].hashval = cpu_to_be32(xfs_dir_hash_dot);
blp[0].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(
(char *)dep - (char *)hdr));
......@@ -1181,7 +1183,7 @@ xfs_dir2_sf_to_block(
dp->d_ops->data_put_ftype(dep, XFS_DIR3_FT_DIR);
tagp = dp->d_ops->data_entry_tag_p(dep);
*tagp = cpu_to_be16((char *)dep - (char *)hdr);
xfs_dir2_data_log_entry(tp, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
blp[1].hashval = cpu_to_be32(xfs_dir_hash_dotdot);
blp[1].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(
(char *)dep - (char *)hdr));
......@@ -1215,7 +1217,7 @@ xfs_dir2_sf_to_block(
dup->length = cpu_to_be16(newoffset - offset);
*xfs_dir2_data_unused_tag_p(dup) = cpu_to_be16(
((char *)dup - (char *)hdr));
xfs_dir2_data_log_unused(tp, bp, dup);
xfs_dir2_data_log_unused(args, bp, dup);
xfs_dir2_data_freeinsert(hdr,
dp->d_ops->data_bestfree_p(hdr),
dup, &dummy);
......@@ -1232,7 +1234,7 @@ xfs_dir2_sf_to_block(
memcpy(dep->name, sfep->name, dep->namelen);
tagp = dp->d_ops->data_entry_tag_p(dep);
*tagp = cpu_to_be16((char *)dep - (char *)hdr);
xfs_dir2_data_log_entry(tp, dp, bp, dep);
xfs_dir2_data_log_entry(args, bp, dep);
name.name = sfep->name;
name.len = sfep->namelen;
blp[2 + i].hashval = cpu_to_be32(mp->m_dirnameops->
......
fs/xfs/xfs_dir2_data.c
浏览文件 @ 8612c7e5
......@@ -63,8 +63,10 @@ __xfs_dir3_data_check(
int stale; /* count of stale leaves */
struct xfs_name name;
const struct xfs_dir_ops *ops;
struct xfs_da_geometry *geo;
mp = bp->b_target->bt_mount;
geo = mp->m_dir_geo;
/*
* We can be passed a null dp here from a verifier, so we need to go the
......@@ -78,7 +80,7 @@ __xfs_dir3_data_check(
switch (hdr->magic) {
case cpu_to_be32(XFS_DIR3_BLOCK_MAGIC):
case cpu_to_be32(XFS_DIR2_BLOCK_MAGIC):
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(geo, hdr);
lep = xfs_dir2_block_leaf_p(btp);
endp = (char *)lep;
......@@ -94,7 +96,7 @@ __xfs_dir3_data_check(
break;
case cpu_to_be32(XFS_DIR3_DATA_MAGIC):
case cpu_to_be32(XFS_DIR2_DATA_MAGIC):
endp = (char *)hdr + mp->m_dirblksize;
endp = (char *)hdr + geo->blksize;
break;
default:
XFS_ERROR_REPORT("Bad Magic", XFS_ERRLEVEL_LOW, mp);
......@@ -172,9 +174,9 @@ __xfs_dir3_data_check(
lastfree = 0;
if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) {
addr = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
(xfs_dir2_data_aoff_t)
((char *)dep - (char *)hdr));
addr = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
(xfs_dir2_data_aoff_t)
((char *)dep - (char *)hdr));
name.name = dep->name;
name.len = dep->namelen;
hash = mp->m_dirnameops->hashname(&name);
......@@ -509,6 +511,7 @@ xfs_dir2_data_freescan(
struct xfs_dir2_data_free *bf;
char *endp; /* end of block's data */
char *p; /* current entry pointer */
struct xfs_da_geometry *geo = dp->i_mount->m_dir_geo;
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) ||
......@@ -527,10 +530,10 @@ xfs_dir2_data_freescan(
p = (char *)dp->d_ops->data_entry_p(hdr);
if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) {
btp = xfs_dir2_block_tail_p(dp->i_mount, hdr);
btp = xfs_dir2_block_tail_p(geo, hdr);
endp = (char *)xfs_dir2_block_leaf_p(btp);
} else
endp = (char *)hdr + dp->i_mount->m_dirblksize;
endp = (char *)hdr + geo->blksize;
/*
* Loop over the block's entries.
*/
......@@ -584,8 +587,8 @@ xfs_dir3_data_init(
/*
* Get the buffer set up for the block.
*/
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(mp, blkno), -1, &bp,
XFS_DATA_FORK);
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(args->geo, blkno),
-1, &bp, XFS_DATA_FORK);
if (error)
return error;
bp->b_ops = &xfs_dir3_data_buf_ops;
......@@ -620,15 +623,15 @@ xfs_dir3_data_init(
dup = dp->d_ops->data_unused_p(hdr);
dup->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG);
t = mp->m_dirblksize - (uint)dp->d_ops->data_entry_offset;
t = args->geo->blksize - (uint)dp->d_ops->data_entry_offset;
bf[0].length = cpu_to_be16(t);
dup->length = cpu_to_be16(t);
*xfs_dir2_data_unused_tag_p(dup) = cpu_to_be16((char *)dup - (char *)hdr);
/*
* Log it and return it.
*/
xfs_dir2_data_log_header(tp, dp, bp);
xfs_dir2_data_log_unused(tp, bp, dup);
xfs_dir2_data_log_header(args, bp);
xfs_dir2_data_log_unused(args, bp, dup);
*bpp = bp;
return 0;
}
......@@ -638,8 +641,7 @@ xfs_dir3_data_init(
*/
void
xfs_dir2_data_log_entry(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
xfs_dir2_data_entry_t *dep) /* data entry pointer */
{
......@@ -650,8 +652,8 @@ xfs_dir2_data_log_entry(
hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
xfs_trans_log_buf(tp, bp, (uint)((char *)dep - (char *)hdr),
(uint)((char *)(dp->d_ops->data_entry_tag_p(dep) + 1) -
xfs_trans_log_buf(args->trans, bp, (uint)((char *)dep - (char *)hdr),
(uint)((char *)(args->dp->d_ops->data_entry_tag_p(dep) + 1) -
(char *)hdr - 1));
}
......@@ -660,8 +662,7 @@ xfs_dir2_data_log_entry(
*/
void
xfs_dir2_data_log_header(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp)
{
#ifdef DEBUG
......@@ -673,7 +674,8 @@ xfs_dir2_data_log_header(
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
#endif
xfs_trans_log_buf(tp, bp, 0, dp->d_ops->data_entry_offset - 1);
xfs_trans_log_buf(args->trans, bp, 0,
args->dp->d_ops->data_entry_offset - 1);
}
/*
......@@ -681,7 +683,7 @@ xfs_dir2_data_log_header(
*/
void
xfs_dir2_data_log_unused(
struct xfs_trans *tp,
struct xfs_da_args *args,
struct xfs_buf *bp,
xfs_dir2_data_unused_t *dup) /* data unused pointer */
{
......@@ -695,13 +697,13 @@ xfs_dir2_data_log_unused(
/*
* Log the first part of the unused entry.
*/
xfs_trans_log_buf(tp, bp, (uint)((char *)dup - (char *)hdr),
xfs_trans_log_buf(args->trans, bp, (uint)((char *)dup - (char *)hdr),
(uint)((char *)&dup->length + sizeof(dup->length) -
1 - (char *)hdr));
/*
* Log the end (tag) of the unused entry.
*/
xfs_trans_log_buf(tp, bp,
xfs_trans_log_buf(args->trans, bp,
(uint)((char *)xfs_dir2_data_unused_tag_p(dup) - (char *)hdr),
(uint)((char *)xfs_dir2_data_unused_tag_p(dup) - (char *)hdr +
sizeof(xfs_dir2_data_off_t) - 1));
......@@ -713,8 +715,7 @@ xfs_dir2_data_log_unused(
*/
void
xfs_dir2_data_make_free(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
xfs_dir2_data_aoff_t offset, /* starting byte offset */
xfs_dir2_data_aoff_t len, /* length in bytes */
......@@ -724,14 +725,12 @@ xfs_dir2_data_make_free(
xfs_dir2_data_hdr_t *hdr; /* data block pointer */
xfs_dir2_data_free_t *dfp; /* bestfree pointer */
char *endptr; /* end of data area */
xfs_mount_t *mp; /* filesystem mount point */
int needscan; /* need to regen bestfree */
xfs_dir2_data_unused_t *newdup; /* new unused entry */
xfs_dir2_data_unused_t *postdup; /* unused entry after us */
xfs_dir2_data_unused_t *prevdup; /* unused entry before us */
struct xfs_dir2_data_free *bf;
mp = tp->t_mountp;
hdr = bp->b_addr;
/*
......@@ -739,20 +738,20 @@ xfs_dir2_data_make_free(
*/
if (hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC))
endptr = (char *)hdr + mp->m_dirblksize;
endptr = (char *)hdr + args->geo->blksize;
else {
xfs_dir2_block_tail_t *btp; /* block tail */
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
endptr = (char *)xfs_dir2_block_leaf_p(btp);
}
/*
* If this isn't the start of the block, then back up to
* the previous entry and see if it's free.
*/
if (offset > dp->d_ops->data_entry_offset) {
if (offset > args->dp->d_ops->data_entry_offset) {
__be16 *tagp; /* tag just before us */
tagp = (__be16 *)((char *)hdr + offset) - 1;
......@@ -778,7 +777,7 @@ xfs_dir2_data_make_free(
* Previous and following entries are both free,
* merge everything into a single free entry.
*/
bf = dp->d_ops->data_bestfree_p(hdr);
bf = args->dp->d_ops->data_bestfree_p(hdr);
if (prevdup && postdup) {
xfs_dir2_data_free_t *dfp2; /* another bestfree pointer */
......@@ -800,7 +799,7 @@ xfs_dir2_data_make_free(
be16_add_cpu(&prevdup->length, len + be16_to_cpu(postdup->length));
*xfs_dir2_data_unused_tag_p(prevdup) =
cpu_to_be16((char *)prevdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, prevdup);
xfs_dir2_data_log_unused(args, bp, prevdup);
if (!needscan) {
/*
* Has to be the case that entries 0 and 1 are
......@@ -835,7 +834,7 @@ xfs_dir2_data_make_free(
be16_add_cpu(&prevdup->length, len);
*xfs_dir2_data_unused_tag_p(prevdup) =
cpu_to_be16((char *)prevdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, prevdup);
xfs_dir2_data_log_unused(args, bp, prevdup);
/*
* If the previous entry was in the table, the new entry
* is longer, so it will be in the table too. Remove
......@@ -863,7 +862,7 @@ xfs_dir2_data_make_free(
newdup->length = cpu_to_be16(len + be16_to_cpu(postdup->length));
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
/*
* If the following entry was in the table, the new entry
* is longer, so it will be in the table too. Remove
......@@ -890,7 +889,7 @@ xfs_dir2_data_make_free(
newdup->length = cpu_to_be16(len);
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
xfs_dir2_data_freeinsert(hdr, bf, newdup, needlogp);
}
*needscanp = needscan;
......@@ -901,8 +900,7 @@ xfs_dir2_data_make_free(
*/
void
xfs_dir2_data_use_free(
struct xfs_trans *tp,
struct xfs_inode *dp,
struct xfs_da_args *args,
struct xfs_buf *bp,
xfs_dir2_data_unused_t *dup, /* unused entry */
xfs_dir2_data_aoff_t offset, /* starting offset to use */
......@@ -933,7 +931,7 @@ xfs_dir2_data_use_free(
* Look up the entry in the bestfree table.
*/
oldlen = be16_to_cpu(dup->length);
bf = dp->d_ops->data_bestfree_p(hdr);
bf = args->dp->d_ops->data_bestfree_p(hdr);
dfp = xfs_dir2_data_freefind(hdr, bf, dup);
ASSERT(dfp || oldlen <= be16_to_cpu(bf[2].length));
/*
......@@ -965,7 +963,7 @@ xfs_dir2_data_use_free(
newdup->length = cpu_to_be16(oldlen - len);
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
/*
* If it was in the table, remove it and add the new one.
*/
......@@ -993,7 +991,7 @@ xfs_dir2_data_use_free(
newdup->length = cpu_to_be16(((char *)hdr + offset) - (char *)newdup);
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
/*
* If it was in the table, remove it and add the new one.
*/
......@@ -1021,13 +1019,13 @@ xfs_dir2_data_use_free(
newdup->length = cpu_to_be16(((char *)hdr + offset) - (char *)newdup);
*xfs_dir2_data_unused_tag_p(newdup) =
cpu_to_be16((char *)newdup - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup);
xfs_dir2_data_log_unused(args, bp, newdup);
newdup2 = (xfs_dir2_data_unused_t *)((char *)hdr + offset + len);
newdup2->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG);
newdup2->length = cpu_to_be16(oldlen - len - be16_to_cpu(newdup->length));
*xfs_dir2_data_unused_tag_p(newdup2) =
cpu_to_be16((char *)newdup2 - (char *)hdr);
xfs_dir2_data_log_unused(tp, bp, newdup2);
xfs_dir2_data_log_unused(args, bp, newdup2);
/*
* If the old entry was in the table, we need to scan
* if the 3rd entry was valid, since these entries
......
fs/xfs/xfs_dir2_leaf.c
浏览文件 @ 8612c7e5
此差异已折叠。
fs/xfs/xfs_dir2_node.c
浏览文件 @ 8612c7e5
此差异已折叠。
fs/xfs/xfs_dir2_priv.h
浏览文件 @ 8612c7e5
......@@ -20,6 +20,140 @@
struct dir_context;
/*
* Directory offset/block conversion functions.
*
* DB blocks here are logical directory block numbers, not filesystem blocks.
*/
/*
* Convert dataptr to byte in file space
*/
static inline xfs_dir2_off_t
xfs_dir2_dataptr_to_byte(xfs_dir2_dataptr_t dp)
{
return (xfs_dir2_off_t)dp << XFS_DIR2_DATA_ALIGN_LOG;
}
/*
* Convert byte in file space to dataptr. It had better be aligned.
*/
static inline xfs_dir2_dataptr_t
xfs_dir2_byte_to_dataptr(xfs_dir2_off_t by)
{
return (xfs_dir2_dataptr_t)(by >> XFS_DIR2_DATA_ALIGN_LOG);
}
/*
* Convert byte in space to (DB) block
*/
static inline xfs_dir2_db_t
xfs_dir2_byte_to_db(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
{
return (xfs_dir2_db_t)(by >> geo->blklog);
}
/*
* Convert dataptr to a block number
*/
static inline xfs_dir2_db_t
xfs_dir2_dataptr_to_db(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp)
{
return xfs_dir2_byte_to_db(geo, xfs_dir2_dataptr_to_byte(dp));
}
/*
* Convert byte in space to offset in a block
*/
static inline xfs_dir2_data_aoff_t
xfs_dir2_byte_to_off(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
{
return (xfs_dir2_data_aoff_t)(by & (geo->blksize - 1));
}
/*
* Convert dataptr to a byte offset in a block
*/
static inline xfs_dir2_data_aoff_t
xfs_dir2_dataptr_to_off(struct xfs_da_geometry *geo, xfs_dir2_dataptr_t dp)
{
return xfs_dir2_byte_to_off(geo, xfs_dir2_dataptr_to_byte(dp));
}
/*
* Convert block and offset to byte in space
*/
static inline xfs_dir2_off_t
xfs_dir2_db_off_to_byte(struct xfs_da_geometry *geo, xfs_dir2_db_t db,
xfs_dir2_data_aoff_t o)
{
return ((xfs_dir2_off_t)db << geo->blklog) + o;
}
/*
* Convert block (DB) to block (dablk)
*/
static inline xfs_dablk_t
xfs_dir2_db_to_da(struct xfs_da_geometry *geo, xfs_dir2_db_t db)
{
return (xfs_dablk_t)(db << (geo->blklog - geo->fsblog));
}
/*
* Convert byte in space to (DA) block
*/
static inline xfs_dablk_t
xfs_dir2_byte_to_da(struct xfs_da_geometry *geo, xfs_dir2_off_t by)
{
return xfs_dir2_db_to_da(geo, xfs_dir2_byte_to_db(geo, by));
}
/*
* Convert block and offset to dataptr
*/
static inline xfs_dir2_dataptr_t
xfs_dir2_db_off_to_dataptr(struct xfs_da_geometry *geo, xfs_dir2_db_t db,
xfs_dir2_data_aoff_t o)
{
return xfs_dir2_byte_to_dataptr(xfs_dir2_db_off_to_byte(geo, db, o));
}
/*
* Convert block (dablk) to block (DB)
*/
static inline xfs_dir2_db_t
xfs_dir2_da_to_db(struct xfs_da_geometry *geo, xfs_dablk_t da)
{
return (xfs_dir2_db_t)(da >> (geo->blklog - geo->fsblog));
}
/*
* Convert block (dablk) to byte offset in space
*/
static inline xfs_dir2_off_t
xfs_dir2_da_to_byte(struct xfs_da_geometry *geo, xfs_dablk_t da)
{
return xfs_dir2_db_off_to_byte(geo, xfs_dir2_da_to_db(geo, da), 0);
}
/*
* Directory tail pointer accessor functions. Based on block geometry.
*/
static inline struct xfs_dir2_block_tail *
xfs_dir2_block_tail_p(struct xfs_da_geometry *geo, struct xfs_dir2_data_hdr *hdr)
{
return ((struct xfs_dir2_block_tail *)
((char *)hdr + geo->blksize)) - 1;
}
static inline struct xfs_dir2_leaf_tail *
xfs_dir2_leaf_tail_p(struct xfs_da_geometry *geo, struct xfs_dir2_leaf *lp)
{
return (struct xfs_dir2_leaf_tail *)
((char *)lp + geo->blksize -
sizeof(struct xfs_dir2_leaf_tail));
}
/* xfs_dir2.c */
extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
......@@ -77,9 +211,9 @@ extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
struct xfs_buf **bpp, __uint16_t magic);
extern void xfs_dir3_leaf_log_ents(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir3_leaf_log_ents(struct xfs_da_args *args,
struct xfs_buf *bp, int first, int last);
extern void xfs_dir3_leaf_log_header(struct xfs_trans *tp, struct xfs_inode *dp,
extern void xfs_dir3_leaf_log_header(struct xfs_da_args *args,
struct xfs_buf *bp);
extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
......
fs/xfs/xfs_dir2_readdir.c
浏览文件 @ 8612c7e5
......@@ -76,26 +76,25 @@ const unsigned char xfs_mode_to_ftype[S_IFMT >> S_SHIFT] = {
STATIC int
xfs_dir2_sf_getdents(
xfs_inode_t *dp, /* incore directory inode */
struct xfs_da_args *args,
struct dir_context *ctx)
{
int i; /* shortform entry number */
xfs_mount_t *mp; /* filesystem mount point */
struct xfs_inode *dp = args->dp; /* incore directory inode */
xfs_dir2_dataptr_t off; /* current entry's offset */
xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */
xfs_dir2_sf_hdr_t *sfp; /* shortform structure */
xfs_dir2_dataptr_t dot_offset;
xfs_dir2_dataptr_t dotdot_offset;
xfs_ino_t ino;
mp = dp->i_mount;
struct xfs_da_geometry *geo = args->geo;
ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
/*
* Give up if the directory is way too short.
*/
if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) {
ASSERT(XFS_FORCED_SHUTDOWN(mp));
ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
return XFS_ERROR(EIO);
}
......@@ -109,18 +108,18 @@ xfs_dir2_sf_getdents(
/*
* If the block number in the offset is out of range, we're done.
*/
if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk)
if (xfs_dir2_dataptr_to_db(geo, ctx->pos) > geo->datablk)
return 0;
/*
* Precalculate offsets for . and .. as we will always need them.
*
* XXX(hch): the second argument is sometimes 0 and sometimes
* mp->m_dirdatablk.
* geo->datablk
*/
dot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
dot_offset = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
dp->d_ops->data_dot_offset);
dotdot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
dotdot_offset = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
dp->d_ops->data_dotdot_offset);
/*
......@@ -149,7 +148,7 @@ xfs_dir2_sf_getdents(
for (i = 0; i < sfp->count; i++) {
__uint8_t filetype;
off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
off = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
xfs_dir2_sf_get_offset(sfep));
if (ctx->pos > off) {
......@@ -161,13 +160,13 @@ xfs_dir2_sf_getdents(
filetype = dp->d_ops->sf_get_ftype(sfep);
ctx->pos = off & 0x7fffffff;
if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, ino,
xfs_dir3_get_dtype(mp, filetype)))
xfs_dir3_get_dtype(dp->i_mount, filetype)))
return 0;
sfep = dp->d_ops->sf_nextentry(sfp, sfep);
}
ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
0x7fffffff;
ctx->pos = xfs_dir2_db_off_to_dataptr(geo, geo->datablk + 1, 0) &
0x7fffffff;
return 0;
}
......@@ -176,9 +175,10 @@ xfs_dir2_sf_getdents(
*/
STATIC int
xfs_dir2_block_getdents(
xfs_inode_t *dp, /* incore inode */
struct xfs_da_args *args,
struct dir_context *ctx)
{
struct xfs_inode *dp = args->dp; /* incore directory inode */
xfs_dir2_data_hdr_t *hdr; /* block header */
struct xfs_buf *bp; /* buffer for block */
xfs_dir2_block_tail_t *btp; /* block tail */
......@@ -186,16 +186,15 @@ xfs_dir2_block_getdents(
xfs_dir2_data_unused_t *dup; /* block unused entry */
char *endptr; /* end of the data entries */
int error; /* error return value */
xfs_mount_t *mp; /* filesystem mount point */
char *ptr; /* current data entry */
int wantoff; /* starting block offset */
xfs_off_t cook;
struct xfs_da_geometry *geo = args->geo;
mp = dp->i_mount;
/*
* If the block number in the offset is out of range, we're done.
*/
if (xfs_dir2_dataptr_to_db(mp, ctx->pos) > mp->m_dirdatablk)
if (xfs_dir2_dataptr_to_db(geo, ctx->pos) > geo->datablk)
return 0;
error = xfs_dir3_block_read(NULL, dp, &bp);
......@@ -206,13 +205,13 @@ xfs_dir2_block_getdents(
* Extract the byte offset we start at from the seek pointer.
* We'll skip entries before this.
*/
wantoff = xfs_dir2_dataptr_to_off(mp, ctx->pos);
wantoff = xfs_dir2_dataptr_to_off(geo, ctx->pos);
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
/*
* Set up values for the loop.
*/
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(geo, hdr);
ptr = (char *)dp->d_ops->data_entry_p(hdr);
endptr = (char *)xfs_dir2_block_leaf_p(btp);
......@@ -244,7 +243,7 @@ xfs_dir2_block_getdents(
if ((char *)dep - (char *)hdr < wantoff)
continue;
cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
cook = xfs_dir2_db_off_to_dataptr(geo, geo->datablk,
(char *)dep - (char *)hdr);
ctx->pos = cook & 0x7fffffff;
......@@ -254,7 +253,7 @@ xfs_dir2_block_getdents(
*/
if (!dir_emit(ctx, (char *)dep->name, dep->namelen,
be64_to_cpu(dep->inumber),
xfs_dir3_get_dtype(mp, filetype))) {
xfs_dir3_get_dtype(dp->i_mount, filetype))) {
xfs_trans_brelse(NULL, bp);
return 0;
}
......@@ -264,8 +263,8 @@ xfs_dir2_block_getdents(
* Reached the end of the block.
* Set the offset to a non-existent block 1 and return.
*/
ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) &
0x7fffffff;
ctx->pos = xfs_dir2_db_off_to_dataptr(geo, geo->datablk + 1, 0) &
0x7fffffff;
xfs_trans_brelse(NULL, bp);
return 0;
}
......@@ -286,13 +285,13 @@ struct xfs_dir2_leaf_map_info {
STATIC int
xfs_dir2_leaf_readbuf(
struct xfs_inode *dp,
struct xfs_da_args *args,
size_t bufsize,
struct xfs_dir2_leaf_map_info *mip,
xfs_dir2_off_t *curoff,
struct xfs_buf **bpp)
{
struct xfs_mount *mp = dp->i_mount;
struct xfs_inode *dp = args->dp;
struct xfs_buf *bp = *bpp;
struct xfs_bmbt_irec *map = mip->map;
struct blk_plug plug;
......@@ -300,6 +299,7 @@ xfs_dir2_leaf_readbuf(
int length;
int i;
int j;
struct xfs_da_geometry *geo = args->geo;
/*
* If we have a buffer, we need to release it and
......@@ -309,12 +309,12 @@ xfs_dir2_leaf_readbuf(
if (bp) {
xfs_trans_brelse(NULL, bp);
bp = NULL;
mip->map_blocks -= mp->m_dirblkfsbs;
mip->map_blocks -= geo->fsbcount;
/*
* Loop to get rid of the extents for the
* directory block.
*/
for (i = mp->m_dirblkfsbs; i > 0; ) {
for (i = geo->fsbcount; i > 0; ) {
j = min_t(int, map->br_blockcount, i);
map->br_blockcount -= j;
map->br_startblock += j;
......@@ -333,8 +333,7 @@ xfs_dir2_leaf_readbuf(
/*
* Recalculate the readahead blocks wanted.
*/
mip->ra_want = howmany(bufsize + mp->m_dirblksize,
mp->m_sb.sb_blocksize) - 1;
mip->ra_want = howmany(bufsize + geo->blksize, (1 << geo->fsblog)) - 1;
ASSERT(mip->ra_want >= 0);
/*
......@@ -342,14 +341,14 @@ xfs_dir2_leaf_readbuf(
* run out of data blocks, get some more mappings.
*/
if (1 + mip->ra_want > mip->map_blocks &&
mip->map_off < xfs_dir2_byte_to_da(mp, XFS_DIR2_LEAF_OFFSET)) {
mip->map_off < xfs_dir2_byte_to_da(geo, XFS_DIR2_LEAF_OFFSET)) {
/*
* Get more bmaps, fill in after the ones
* we already have in the table.
*/
mip->nmap = mip->map_size - mip->map_valid;
error = xfs_bmapi_read(dp, mip->map_off,
xfs_dir2_byte_to_da(mp, XFS_DIR2_LEAF_OFFSET) -
xfs_dir2_byte_to_da(geo, XFS_DIR2_LEAF_OFFSET) -
mip->map_off,
&map[mip->map_valid], &mip->nmap, 0);
......@@ -370,7 +369,7 @@ xfs_dir2_leaf_readbuf(
i = mip->map_valid + mip->nmap - 1;
mip->map_off = map[i].br_startoff + map[i].br_blockcount;
} else
mip->map_off = xfs_dir2_byte_to_da(mp,
mip->map_off = xfs_dir2_byte_to_da(geo,
XFS_DIR2_LEAF_OFFSET);
/*
......@@ -396,18 +395,18 @@ xfs_dir2_leaf_readbuf(
* No valid mappings, so no more data blocks.
*/
if (!mip->map_valid) {
*curoff = xfs_dir2_da_to_byte(mp, mip->map_off);
*curoff = xfs_dir2_da_to_byte(geo, mip->map_off);
goto out;
}
/*
* Read the directory block starting at the first mapping.
*/
mip->curdb = xfs_dir2_da_to_db(mp, map->br_startoff);
mip->curdb = xfs_dir2_da_to_db(geo, map->br_startoff);
error = xfs_dir3_data_read(NULL, dp, map->br_startoff,
map->br_blockcount >= mp->m_dirblkfsbs ?
XFS_FSB_TO_DADDR(mp, map->br_startblock) : -1, &bp);
map->br_blockcount >= geo->fsbcount ?
XFS_FSB_TO_DADDR(dp->i_mount, map->br_startblock) :
-1, &bp);
/*
* Should just skip over the data block instead of giving up.
*/
......@@ -419,7 +418,7 @@ xfs_dir2_leaf_readbuf(
* was previously ra.
*/
if (mip->ra_current)
mip->ra_current -= mp->m_dirblkfsbs;
mip->ra_current -= geo->fsbcount;
/*
* Do we need more readahead?
......@@ -427,16 +426,16 @@ xfs_dir2_leaf_readbuf(
blk_start_plug(&plug);
for (mip->ra_index = mip->ra_offset = i = 0;
mip->ra_want > mip->ra_current && i < mip->map_blocks;
i += mp->m_dirblkfsbs) {
i += geo->fsbcount) {
ASSERT(mip->ra_index < mip->map_valid);
/*
* Read-ahead a contiguous directory block.
*/
if (i > mip->ra_current &&
map[mip->ra_index].br_blockcount >= mp->m_dirblkfsbs) {
map[mip->ra_index].br_blockcount >= geo->fsbcount) {
xfs_dir3_data_readahead(dp,
map[mip->ra_index].br_startoff + mip->ra_offset,
XFS_FSB_TO_DADDR(mp,
XFS_FSB_TO_DADDR(dp->i_mount,
map[mip->ra_index].br_startblock +
mip->ra_offset));
mip->ra_current = i;
......@@ -456,12 +455,12 @@ xfs_dir2_leaf_readbuf(
/*
* Advance offset through the mapping table.
*/
for (j = 0; j < mp->m_dirblkfsbs; j += length ) {
for (j = 0; j < geo->fsbcount; j += length ) {
/*
* The rest of this extent but not more than a dir
* block.
*/
length = min_t(int, mp->m_dirblkfsbs,
length = min_t(int, geo->fsbcount,
map[mip->ra_index].br_blockcount -
mip->ra_offset);
mip->ra_offset += length;
......@@ -488,22 +487,23 @@ xfs_dir2_leaf_readbuf(
*/
STATIC int
xfs_dir2_leaf_getdents(
xfs_inode_t *dp, /* incore directory inode */
struct xfs_da_args *args,
struct dir_context *ctx,
size_t bufsize)
{
struct xfs_inode *dp = args->dp;
struct xfs_buf *bp = NULL; /* data block buffer */
xfs_dir2_data_hdr_t *hdr; /* data block header */
xfs_dir2_data_entry_t *dep; /* data entry */
xfs_dir2_data_unused_t *dup; /* unused entry */
int error = 0; /* error return value */
int length; /* temporary length value */
xfs_mount_t *mp; /* filesystem mount point */
int byteoff; /* offset in current block */
xfs_dir2_off_t curoff; /* current overall offset */
xfs_dir2_off_t newoff; /* new curoff after new blk */
char *ptr = NULL; /* pointer to current data */
struct xfs_dir2_leaf_map_info *map_info;
struct xfs_da_geometry *geo = args->geo;
/*
* If the offset is at or past the largest allowed value,
......@@ -512,15 +512,12 @@ xfs_dir2_leaf_getdents(
if (ctx->pos >= XFS_DIR2_MAX_DATAPTR)
return 0;
mp = dp->i_mount;
/*
* Set up to bmap a number of blocks based on the caller's
* buffer size, the directory block size, and the filesystem
* block size.
*/
length = howmany(bufsize + mp->m_dirblksize,
mp->m_sb.sb_blocksize);
length = howmany(bufsize + geo->blksize, (1 << geo->fsblog));
map_info = kmem_zalloc(offsetof(struct xfs_dir2_leaf_map_info, map) +
(length * sizeof(struct xfs_bmbt_irec)),
KM_SLEEP | KM_NOFS);
......@@ -536,8 +533,8 @@ xfs_dir2_leaf_getdents(
* Force this conversion through db so we truncate the offset
* down to get the start of the data block.
*/
map_info->map_off = xfs_dir2_db_to_da(mp,
xfs_dir2_byte_to_db(mp, curoff));
map_info->map_off = xfs_dir2_db_to_da(geo,
xfs_dir2_byte_to_db(geo, curoff));
/*
* Loop over directory entries until we reach the end offset.
......@@ -550,9 +547,9 @@ xfs_dir2_leaf_getdents(
* If we have no buffer, or we're off the end of the
* current buffer, need to get another one.
*/
if (!bp || ptr >= (char *)bp->b_addr + mp->m_dirblksize) {
if (!bp || ptr >= (char *)bp->b_addr + geo->blksize) {
error = xfs_dir2_leaf_readbuf(dp, bufsize, map_info,
error = xfs_dir2_leaf_readbuf(args, bufsize, map_info,
&curoff, &bp);
if (error || !map_info->map_valid)
break;
......@@ -560,7 +557,8 @@ xfs_dir2_leaf_getdents(
/*
* Having done a read, we need to set a new offset.
*/
newoff = xfs_dir2_db_off_to_byte(mp, map_info->curdb, 0);
newoff = xfs_dir2_db_off_to_byte(geo,
map_info->curdb, 0);
/*
* Start of the current block.
*/
......@@ -570,7 +568,7 @@ xfs_dir2_leaf_getdents(
* Make sure we're in the right block.
*/
else if (curoff > newoff)
ASSERT(xfs_dir2_byte_to_db(mp, curoff) ==
ASSERT(xfs_dir2_byte_to_db(geo, curoff) ==
map_info->curdb);
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
......@@ -578,7 +576,7 @@ xfs_dir2_leaf_getdents(
* Find our position in the block.
*/
ptr = (char *)dp->d_ops->data_entry_p(hdr);
byteoff = xfs_dir2_byte_to_off(mp, curoff);
byteoff = xfs_dir2_byte_to_off(geo, curoff);
/*
* Skip past the header.
*/
......@@ -607,10 +605,10 @@ xfs_dir2_leaf_getdents(
* Now set our real offset.
*/
curoff =
xfs_dir2_db_off_to_byte(mp,
xfs_dir2_byte_to_db(mp, curoff),
xfs_dir2_db_off_to_byte(geo,
xfs_dir2_byte_to_db(geo, curoff),
(char *)ptr - (char *)hdr);
if (ptr >= (char *)hdr + mp->m_dirblksize) {
if (ptr >= (char *)hdr + geo->blksize) {
continue;
}
}
......@@ -637,7 +635,7 @@ xfs_dir2_leaf_getdents(
ctx->pos = xfs_dir2_byte_to_dataptr(curoff) & 0x7fffffff;
if (!dir_emit(ctx, (char *)dep->name, dep->namelen,
be64_to_cpu(dep->inumber),
xfs_dir3_get_dtype(mp, filetype)))
xfs_dir3_get_dtype(dp->i_mount, filetype)))
break;
/*
......@@ -667,13 +665,14 @@ xfs_dir2_leaf_getdents(
*/
int
xfs_readdir(
xfs_inode_t *dp,
struct dir_context *ctx,
size_t bufsize)
struct xfs_inode *dp,
struct dir_context *ctx,
size_t bufsize)
{
int rval; /* return value */
int v; /* type-checking value */
uint lock_mode;
struct xfs_da_args args = { NULL };
int rval;
int v;
uint lock_mode;
trace_xfs_readdir(dp);
......@@ -683,15 +682,18 @@ xfs_readdir(
ASSERT(S_ISDIR(dp->i_d.di_mode));
XFS_STATS_INC(xs_dir_getdents);
args.dp = dp;
args.geo = dp->i_mount->m_dir_geo;
lock_mode = xfs_ilock_data_map_shared(dp);
if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
rval = xfs_dir2_sf_getdents(dp, ctx);
else if ((rval = xfs_dir2_isblock(dp, &v)))
rval = xfs_dir2_sf_getdents(&args, ctx);
else if ((rval = xfs_dir2_isblock(&args, &v)))
;
else if (v)
rval = xfs_dir2_block_getdents(dp, ctx);
rval = xfs_dir2_block_getdents(&args, ctx);
else
rval = xfs_dir2_leaf_getdents(dp, ctx, bufsize);
rval = xfs_dir2_leaf_getdents(&args, ctx, bufsize);
xfs_iunlock(dp, lock_mode);
return rval;
......
fs/xfs/xfs_dir2_sf.c
浏览文件 @ 8612c7e5
......@@ -82,8 +82,10 @@ xfs_dir2_block_sfsize(
xfs_ino_t parent = 0; /* parent inode number */
int size=0; /* total computed size */
int has_ftype;
struct xfs_da_geometry *geo;
mp = dp->i_mount;
geo = mp->m_dir_geo;
/*
* if there is a filetype field, add the extra byte to the namelen
......@@ -92,7 +94,7 @@ xfs_dir2_block_sfsize(
has_ftype = xfs_sb_version_hasftype(&mp->m_sb) ? 1 : 0;
count = i8count = namelen = 0;
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
......@@ -104,8 +106,8 @@ xfs_dir2_block_sfsize(
/*
* Calculate the pointer to the entry at hand.
*/
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, addr));
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
xfs_dir2_dataptr_to_off(geo, addr));
/*
* Detect . and .., so we can special-case them.
* . is not included in sf directories.
......@@ -195,7 +197,7 @@ xfs_dir2_block_to_sf(
/*
* Set up to loop over the block's entries.
*/
btp = xfs_dir2_block_tail_p(mp, hdr);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
ptr = (char *)dp->d_ops->data_entry_p(hdr);
endptr = (char *)xfs_dir2_block_leaf_p(btp);
sfep = xfs_dir2_sf_firstentry(sfp);
......@@ -247,7 +249,7 @@ xfs_dir2_block_to_sf(
/* now we are done with the block, we can shrink the inode */
logflags = XFS_ILOG_CORE;
error = xfs_dir2_shrink_inode(args, mp->m_dirdatablk, bp);
error = xfs_dir2_shrink_inode(args, args->geo->datablk, bp);
if (error) {
ASSERT(error != ENOSPC);
goto out;
......@@ -586,7 +588,7 @@ xfs_dir2_sf_addname_pick(
* we'll go back, convert to block, then try the insert and convert
* to leaf.
*/
if (used + (holefit ? 0 : size) > mp->m_dirblksize)
if (used + (holefit ? 0 : size) > args->geo->blksize)
return 0;
/*
* If changing the inode number size, do it the hard way.
......@@ -601,7 +603,7 @@ xfs_dir2_sf_addname_pick(
/*
* If it won't fit at the end then do it the hard way (use the hole).
*/
if (used + size > mp->m_dirblksize)
if (used + size > args->geo->blksize)
return 2;
/*
* Do it the easy way.
......@@ -652,7 +654,7 @@ xfs_dir2_sf_check(
ASSERT((char *)sfep - (char *)sfp == dp->i_d.di_size);
ASSERT(offset +
(sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) +
(uint)sizeof(xfs_dir2_block_tail_t) <= mp->m_dirblksize);
(uint)sizeof(xfs_dir2_block_tail_t) <= args->geo->blksize);
}
#endif /* DEBUG */
......
fs/xfs/xfs_fsops.c
浏览文件 @ 8612c7e5
......@@ -24,6 +24,8 @@
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_inode.h"
#include "xfs_trans.h"
#include "xfs_inode_item.h"
......@@ -105,7 +107,7 @@ xfs_fs_geometry(
geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ?
mp->m_sb.sb_logsectsize : BBSIZE;
geo->rtsectsize = mp->m_sb.sb_blocksize;
geo->dirblocksize = mp->m_dirblksize;
geo->dirblocksize = mp->m_dir_geo->blksize;
}
if (new_version >= 4) {
geo->flags |=
......
fs/xfs/xfs_log_rlimit.c
浏览文件 @ 8612c7e5
......@@ -42,7 +42,7 @@ xfs_log_calc_max_attrsetm_res(
int size;
int nblks;
size = xfs_attr_leaf_entsize_local_max(mp->m_sb.sb_blocksize) -
size = xfs_attr_leaf_entsize_local_max(mp->m_attr_geo->blksize) -
MAXNAMELEN - 1;
nblks = XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK);
nblks += XFS_B_TO_FSB(mp, size);
......
fs/xfs/xfs_mount.c
浏览文件 @ 8612c7e5
......@@ -780,12 +780,11 @@ xfs_mountfs(
mp->m_dmevmask = 0; /* not persistent; set after each mount */
xfs_dir_mount(mp);
/*
* Initialize the attribute manager's entries.
*/
mp->m_attr_magicpct = (mp->m_sb.sb_blocksize * 37) / 100;
error = xfs_da_mount(mp);
if (error) {
xfs_warn(mp, "Failed dir/attr init: %d", error);
goto out_remove_uuid;
}
/*
* Initialize the precomputed transaction reservations values.
......@@ -800,7 +799,7 @@ xfs_mountfs(
error = xfs_initialize_perag(mp, sbp->sb_agcount, &mp->m_maxagi);
if (error) {
xfs_warn(mp, "Failed per-ag init: %d", error);
goto out_remove_uuid;
goto out_free_dir;
}
if (!sbp->sb_logblocks) {
......@@ -975,6 +974,8 @@ xfs_mountfs(
xfs_wait_buftarg(mp->m_ddev_targp);
out_free_perag:
xfs_free_perag(mp);
out_free_dir:
xfs_da_unmount(mp);
out_remove_uuid:
xfs_uuid_unmount(mp);
out:
......@@ -1052,6 +1053,7 @@ xfs_unmountfs(
"Freespace may not be correct on next mount.");
xfs_log_unmount(mp);
xfs_da_unmount(mp);
xfs_uuid_unmount(mp);
#if defined(DEBUG)
......
fs/xfs/xfs_mount.h
浏览文件 @ 8612c7e5
......@@ -27,6 +27,7 @@ struct xfs_nameops;
struct xfs_ail;
struct xfs_quotainfo;
struct xfs_dir_ops;
struct xfs_da_geometry;
#ifdef HAVE_PERCPU_SB
......@@ -96,6 +97,8 @@ typedef struct xfs_mount {
uint m_readio_blocks; /* min read size blocks */
uint m_writeio_log; /* min write size log bytes */
uint m_writeio_blocks; /* min write size blocks */
struct xfs_da_geometry *m_dir_geo; /* directory block geometry */
struct xfs_da_geometry *m_attr_geo; /* attribute block geometry */
struct xlog *m_log; /* log specific stuff */
int m_logbufs; /* number of log buffers */
int m_logbsize; /* size of each log buffer */
......@@ -131,8 +134,6 @@ typedef struct xfs_mount {
int m_fixedfsid[2]; /* unchanged for life of FS */
uint m_dmevmask; /* DMI events for this FS */
__uint64_t m_flags; /* global mount flags */
uint m_dir_node_ents; /* #entries in a dir danode */
uint m_attr_node_ents; /* #entries in attr danode */
int m_ialloc_inos; /* inodes in inode allocation */
int m_ialloc_blks; /* blocks in inode allocation */
int m_inoalign_mask;/* mask sb_inoalignmt if used */
......@@ -145,17 +146,10 @@ typedef struct xfs_mount {
int m_dalign; /* stripe unit */
int m_swidth; /* stripe width */
int m_sinoalign; /* stripe unit inode alignment */
int m_attr_magicpct;/* 37% of the blocksize */
int m_dir_magicpct; /* 37% of the dir blocksize */
__uint8_t m_sectbb_log; /* sectlog - BBSHIFT */
const struct xfs_nameops *m_dirnameops; /* vector of dir name ops */
const struct xfs_dir_ops *m_dir_inode_ops; /* vector of dir inode ops */
const struct xfs_dir_ops *m_nondir_inode_ops; /* !dir inode ops */
int m_dirblksize; /* directory block sz--bytes */
int m_dirblkfsbs; /* directory block sz--fsbs */
xfs_dablk_t m_dirdatablk; /* blockno of dir data v2 */
xfs_dablk_t m_dirleafblk; /* blockno of dir non-data v2 */
xfs_dablk_t m_dirfreeblk; /* blockno of dirfreeindex v2 */
uint m_chsize; /* size of next field */
atomic_t m_active_trans; /* number trans frozen */
#ifdef HAVE_PERCPU_SB
......
fs/xfs/xfs_symlink.c
浏览文件 @ 8612c7e5
......@@ -27,6 +27,7 @@
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_dir2.h"
#include "xfs_inode.h"
#include "xfs_ialloc.h"
......
fs/xfs/xfs_trans_resv.c
浏览文件 @ 8612c7e5
......@@ -26,6 +26,7 @@
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_inode.h"
#include "xfs_bmap_btree.h"
#include "xfs_ialloc.h"
......@@ -609,7 +610,7 @@ xfs_calc_addafork_reservation(
return XFS_DQUOT_LOGRES(mp) +
xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(2, mp->m_sb.sb_sectsize) +
xfs_calc_buf_res(1, mp->m_dirblksize) +
xfs_calc_buf_res(1, mp->m_dir_geo->blksize) +
xfs_calc_buf_res(XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1,
XFS_FSB_TO_B(mp, 1)) +
xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1),
......
fs/xfs/xfs_trans_space.h
浏览文件 @ 8612c7e5
......@@ -28,7 +28,8 @@
(((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
XFS_EXTENTADD_SPACE_RES(mp,w))
#define XFS_DAENTER_1B(mp,w) ((w) == XFS_DATA_FORK ? (mp)->m_dirblkfsbs : 1)
#define XFS_DAENTER_1B(mp,w) \
((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1)
#define XFS_DAENTER_DBS(mp,w) \
(XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0))
#define XFS_DAENTER_BLOCKS(mp,w) \
......@@ -55,7 +56,7 @@
* Space reservation values for various transactions.
*/
#define XFS_ADDAFORK_SPACE_RES(mp) \
((mp)->m_dirblkfsbs + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))
((mp)->m_dir_geo->fsbcount + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))
#define XFS_ATTRRM_SPACE_RES(mp) \
XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK)
/* This macro is not used - see inline code in xfs_attr_set */
......
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