提交 e2b911c5 编写于 作者: D Darrick J. Wong 提交者: Theodore Ts'o

ext4: clean up feature test macros with predicate functions

Create separate predicate functions to test/set/clear feature flags,
thereby replacing the wordy old macros.  Furthermore, clean out the
places where we open-coded feature tests.
Signed-off-by: NDarrick J. Wong <darrick.wong@oracle.com>
上级 6a797d27
......@@ -213,7 +213,7 @@ static int ext4_init_block_bitmap(struct super_block *sb,
start = ext4_group_first_block_no(sb, block_group);
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG))
if (ext4_has_feature_flex_bg(sb))
flex_bg = 1;
/* Set bits for block and inode bitmaps, and inode table */
......@@ -322,7 +322,7 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb,
ext4_fsblk_t blk;
ext4_fsblk_t group_first_block;
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG)) {
if (ext4_has_feature_flex_bg(sb)) {
/* with FLEX_BG, the inode/block bitmaps and itable
* blocks may not be in the group at all
* so the bitmap validation will be skipped for those groups
......@@ -740,14 +740,13 @@ int ext4_bg_has_super(struct super_block *sb, ext4_group_t group)
if (group == 0)
return 1;
if (EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_SPARSE_SUPER2)) {
if (ext4_has_feature_sparse_super2(sb)) {
if (group == le32_to_cpu(es->s_backup_bgs[0]) ||
group == le32_to_cpu(es->s_backup_bgs[1]))
return 1;
return 0;
}
if ((group <= 1) || !EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER))
if ((group <= 1) || !ext4_has_feature_sparse_super(sb))
return 1;
if (!(group & 1))
return 0;
......@@ -776,7 +775,7 @@ static unsigned long ext4_bg_num_gdb_nometa(struct super_block *sb,
if (!ext4_bg_has_super(sb, group))
return 0;
if (EXT4_HAS_INCOMPAT_FEATURE(sb,EXT4_FEATURE_INCOMPAT_META_BG))
if (ext4_has_feature_meta_bg(sb))
return le32_to_cpu(EXT4_SB(sb)->s_es->s_first_meta_bg);
else
return EXT4_SB(sb)->s_gdb_count;
......@@ -797,8 +796,7 @@ unsigned long ext4_bg_num_gdb(struct super_block *sb, ext4_group_t group)
le32_to_cpu(EXT4_SB(sb)->s_es->s_first_meta_bg);
unsigned long metagroup = group / EXT4_DESC_PER_BLOCK(sb);
if (!EXT4_HAS_INCOMPAT_FEATURE(sb,EXT4_FEATURE_INCOMPAT_META_BG) ||
metagroup < first_meta_bg)
if (!ext4_has_feature_meta_bg(sb) || metagroup < first_meta_bg)
return ext4_bg_num_gdb_nometa(sb, group);
return ext4_bg_num_gdb_meta(sb,group);
......@@ -818,7 +816,7 @@ static unsigned ext4_num_base_meta_clusters(struct super_block *sb,
/* Check for superblock and gdt backups in this group */
num = ext4_bg_has_super(sb, block_group);
if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_META_BG) ||
if (!ext4_has_feature_meta_bg(sb) ||
block_group < le32_to_cpu(sbi->s_es->s_first_meta_bg) *
sbi->s_desc_per_block) {
if (num) {
......
......@@ -40,8 +40,7 @@ static int is_dx_dir(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
if (EXT4_HAS_COMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_COMPAT_DIR_INDEX) &&
if (ext4_has_feature_dir_index(inode->i_sb) &&
((ext4_test_inode_flag(inode, EXT4_INODE_INDEX)) ||
((inode->i_size >> sb->s_blocksize_bits) == 1) ||
ext4_has_inline_data(inode)))
......
......@@ -1528,6 +1528,7 @@ static inline int ext4_encrypted_inode(struct inode *inode)
* Feature set definitions
*/
/* Use the ext4_{has,set,clear}_feature_* helpers; these will be removed */
#define EXT4_HAS_COMPAT_FEATURE(sb,mask) \
((EXT4_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask)) != 0)
#define EXT4_HAS_RO_COMPAT_FEATURE(sb,mask) \
......@@ -1590,6 +1591,94 @@ static inline int ext4_encrypted_inode(struct inode *inode)
#define EXT4_FEATURE_INCOMPAT_INLINE_DATA 0x8000 /* data in inode */
#define EXT4_FEATURE_INCOMPAT_ENCRYPT 0x10000
#define EXT4_FEATURE_COMPAT_FUNCS(name, flagname) \
static inline bool ext4_has_feature_##name(struct super_block *sb) \
{ \
return ((EXT4_SB(sb)->s_es->s_feature_compat & \
cpu_to_le32(EXT4_FEATURE_COMPAT_##flagname)) != 0); \
} \
static inline void ext4_set_feature_##name(struct super_block *sb) \
{ \
EXT4_SB(sb)->s_es->s_feature_compat |= \
cpu_to_le32(EXT4_FEATURE_COMPAT_##flagname); \
} \
static inline void ext4_clear_feature_##name(struct super_block *sb) \
{ \
EXT4_SB(sb)->s_es->s_feature_compat &= \
~cpu_to_le32(EXT4_FEATURE_COMPAT_##flagname); \
}
#define EXT4_FEATURE_RO_COMPAT_FUNCS(name, flagname) \
static inline bool ext4_has_feature_##name(struct super_block *sb) \
{ \
return ((EXT4_SB(sb)->s_es->s_feature_ro_compat & \
cpu_to_le32(EXT4_FEATURE_RO_COMPAT_##flagname)) != 0); \
} \
static inline void ext4_set_feature_##name(struct super_block *sb) \
{ \
EXT4_SB(sb)->s_es->s_feature_ro_compat |= \
cpu_to_le32(EXT4_FEATURE_RO_COMPAT_##flagname); \
} \
static inline void ext4_clear_feature_##name(struct super_block *sb) \
{ \
EXT4_SB(sb)->s_es->s_feature_ro_compat &= \
~cpu_to_le32(EXT4_FEATURE_RO_COMPAT_##flagname); \
}
#define EXT4_FEATURE_INCOMPAT_FUNCS(name, flagname) \
static inline bool ext4_has_feature_##name(struct super_block *sb) \
{ \
return ((EXT4_SB(sb)->s_es->s_feature_incompat & \
cpu_to_le32(EXT4_FEATURE_INCOMPAT_##flagname)) != 0); \
} \
static inline void ext4_set_feature_##name(struct super_block *sb) \
{ \
EXT4_SB(sb)->s_es->s_feature_incompat |= \
cpu_to_le32(EXT4_FEATURE_INCOMPAT_##flagname); \
} \
static inline void ext4_clear_feature_##name(struct super_block *sb) \
{ \
EXT4_SB(sb)->s_es->s_feature_incompat &= \
~cpu_to_le32(EXT4_FEATURE_INCOMPAT_##flagname); \
}
EXT4_FEATURE_COMPAT_FUNCS(dir_prealloc, DIR_PREALLOC)
EXT4_FEATURE_COMPAT_FUNCS(imagic_inodes, IMAGIC_INODES)
EXT4_FEATURE_COMPAT_FUNCS(journal, HAS_JOURNAL)
EXT4_FEATURE_COMPAT_FUNCS(xattr, EXT_ATTR)
EXT4_FEATURE_COMPAT_FUNCS(resize_inode, RESIZE_INODE)
EXT4_FEATURE_COMPAT_FUNCS(dir_index, DIR_INDEX)
EXT4_FEATURE_COMPAT_FUNCS(sparse_super2, SPARSE_SUPER2)
EXT4_FEATURE_RO_COMPAT_FUNCS(sparse_super, SPARSE_SUPER)
EXT4_FEATURE_RO_COMPAT_FUNCS(large_file, LARGE_FILE)
EXT4_FEATURE_RO_COMPAT_FUNCS(btree_dir, BTREE_DIR)
EXT4_FEATURE_RO_COMPAT_FUNCS(huge_file, HUGE_FILE)
EXT4_FEATURE_RO_COMPAT_FUNCS(gdt_csum, GDT_CSUM)
EXT4_FEATURE_RO_COMPAT_FUNCS(dir_nlink, DIR_NLINK)
EXT4_FEATURE_RO_COMPAT_FUNCS(extra_isize, EXTRA_ISIZE)
EXT4_FEATURE_RO_COMPAT_FUNCS(quota, QUOTA)
EXT4_FEATURE_RO_COMPAT_FUNCS(bigalloc, BIGALLOC)
EXT4_FEATURE_RO_COMPAT_FUNCS(metadata_csum, METADATA_CSUM)
EXT4_FEATURE_RO_COMPAT_FUNCS(readonly, READONLY)
EXT4_FEATURE_RO_COMPAT_FUNCS(project, PROJECT)
EXT4_FEATURE_INCOMPAT_FUNCS(compression, COMPRESSION)
EXT4_FEATURE_INCOMPAT_FUNCS(filetype, FILETYPE)
EXT4_FEATURE_INCOMPAT_FUNCS(journal_needs_recovery, RECOVER)
EXT4_FEATURE_INCOMPAT_FUNCS(journal_dev, JOURNAL_DEV)
EXT4_FEATURE_INCOMPAT_FUNCS(meta_bg, META_BG)
EXT4_FEATURE_INCOMPAT_FUNCS(extents, EXTENTS)
EXT4_FEATURE_INCOMPAT_FUNCS(64bit, 64BIT)
EXT4_FEATURE_INCOMPAT_FUNCS(mmp, MMP)
EXT4_FEATURE_INCOMPAT_FUNCS(flex_bg, FLEX_BG)
EXT4_FEATURE_INCOMPAT_FUNCS(ea_inode, EA_INODE)
EXT4_FEATURE_INCOMPAT_FUNCS(dirdata, DIRDATA)
EXT4_FEATURE_INCOMPAT_FUNCS(csum_seed, CSUM_SEED)
EXT4_FEATURE_INCOMPAT_FUNCS(largedir, LARGEDIR)
EXT4_FEATURE_INCOMPAT_FUNCS(inline_data, INLINE_DATA)
EXT4_FEATURE_INCOMPAT_FUNCS(encrypt, ENCRYPT)
#define EXT2_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR
#define EXT2_FEATURE_INCOMPAT_SUPP (EXT4_FEATURE_INCOMPAT_FILETYPE| \
EXT4_FEATURE_INCOMPAT_META_BG)
......@@ -1605,7 +1694,7 @@ static inline int ext4_encrypted_inode(struct inode *inode)
EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
EXT4_FEATURE_RO_COMPAT_BTREE_DIR)
#define EXT4_FEATURE_COMPAT_SUPP EXT2_FEATURE_COMPAT_EXT_ATTR
#define EXT4_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR
#define EXT4_FEATURE_INCOMPAT_SUPP (EXT4_FEATURE_INCOMPAT_FILETYPE| \
EXT4_FEATURE_INCOMPAT_RECOVER| \
EXT4_FEATURE_INCOMPAT_META_BG| \
......@@ -1627,6 +1716,40 @@ static inline int ext4_encrypted_inode(struct inode *inode)
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|\
EXT4_FEATURE_RO_COMPAT_QUOTA)
#define EXTN_FEATURE_FUNCS(ver) \
static inline bool ext4_has_unknown_ext##ver##_compat_features(struct super_block *sb) \
{ \
return ((EXT4_SB(sb)->s_es->s_feature_compat & \
cpu_to_le32(~EXT##ver##_FEATURE_COMPAT_SUPP)) != 0); \
} \
static inline bool ext4_has_unknown_ext##ver##_ro_compat_features(struct super_block *sb) \
{ \
return ((EXT4_SB(sb)->s_es->s_feature_ro_compat & \
cpu_to_le32(~EXT##ver##_FEATURE_RO_COMPAT_SUPP)) != 0); \
} \
static inline bool ext4_has_unknown_ext##ver##_incompat_features(struct super_block *sb) \
{ \
return ((EXT4_SB(sb)->s_es->s_feature_incompat & \
cpu_to_le32(~EXT##ver##_FEATURE_INCOMPAT_SUPP)) != 0); \
}
EXTN_FEATURE_FUNCS(2)
EXTN_FEATURE_FUNCS(3)
EXTN_FEATURE_FUNCS(4)
static inline bool ext4_has_compat_features(struct super_block *sb)
{
return (EXT4_SB(sb)->s_es->s_feature_compat != 0);
}
static inline bool ext4_has_ro_compat_features(struct super_block *sb)
{
return (EXT4_SB(sb)->s_es->s_feature_ro_compat != 0);
}
static inline bool ext4_has_incompat_features(struct super_block *sb)
{
return (EXT4_SB(sb)->s_es->s_feature_incompat != 0);
}
/*
* Default values for user and/or group using reserved blocks
*/
......@@ -1777,8 +1900,7 @@ static inline __le16 ext4_rec_len_to_disk(unsigned len, unsigned blocksize)
* (c) Daniel Phillips, 2001
*/
#define is_dx(dir) (EXT4_HAS_COMPAT_FEATURE(dir->i_sb, \
EXT4_FEATURE_COMPAT_DIR_INDEX) && \
#define is_dx(dir) (ext4_has_feature_dir_index((dir)->i_sb) && \
ext4_test_inode_flag((dir), EXT4_INODE_INDEX))
#define EXT4_DIR_LINK_MAX(dir) (!is_dx(dir) && (dir)->i_nlink >= EXT4_LINK_MAX)
#define EXT4_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2 || (dir)->i_nlink == 1)
......@@ -2079,7 +2201,7 @@ int ext4_init_crypto(void);
void ext4_exit_crypto(void);
static inline int ext4_sb_has_crypto(struct super_block *sb)
{
return EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_ENCRYPT);
return ext4_has_feature_encrypt(sb);
}
#else
static inline int ext4_init_crypto(void) { return 0; }
......@@ -2200,8 +2322,7 @@ int ext4_insert_dentry(struct inode *dir,
struct ext4_filename *fname);
static inline void ext4_update_dx_flag(struct inode *inode)
{
if (!EXT4_HAS_COMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_COMPAT_DIR_INDEX))
if (!ext4_has_feature_dir_index(inode->i_sb))
ext4_clear_inode_flag(inode, EXT4_INODE_INDEX);
}
static unsigned char ext4_filetype_table[] = {
......@@ -2210,8 +2331,7 @@ static unsigned char ext4_filetype_table[] = {
static inline unsigned char get_dtype(struct super_block *sb, int filetype)
{
if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FILETYPE) ||
(filetype >= EXT4_FT_MAX))
if (!ext4_has_feature_filetype(sb) || filetype >= EXT4_FT_MAX)
return DT_UNKNOWN;
return ext4_filetype_table[filetype];
......@@ -2543,15 +2663,13 @@ extern int ext4_register_li_request(struct super_block *sb,
static inline int ext4_has_group_desc_csum(struct super_block *sb)
{
return EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_GDT_CSUM) ||
(EXT4_SB(sb)->s_chksum_driver != NULL);
return ext4_has_feature_gdt_csum(sb) ||
EXT4_SB(sb)->s_chksum_driver != NULL;
}
static inline int ext4_has_metadata_csum(struct super_block *sb)
{
WARN_ON_ONCE(EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
WARN_ON_ONCE(ext4_has_feature_metadata_csum(sb) &&
!EXT4_SB(sb)->s_chksum_driver);
return (EXT4_SB(sb)->s_chksum_driver != NULL);
......@@ -2898,7 +3016,7 @@ static unsigned char ext4_type_by_mode[S_IFMT >> S_SHIFT] = {
static inline void ext4_set_de_type(struct super_block *sb,
struct ext4_dir_entry_2 *de,
umode_t mode) {
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FILETYPE))
if (ext4_has_feature_filetype(sb))
de->file_type = ext4_type_by_mode[(mode & S_IFMT)>>S_SHIFT];
}
......
......@@ -34,8 +34,7 @@
*/
#define EXT4_SINGLEDATA_TRANS_BLOCKS(sb) \
(EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS) \
? 20U : 8U)
(ext4_has_feature_extents(sb) ? 20U : 8U)
/* Extended attribute operations touch at most two data buffers,
* two bitmap buffers, and two group summaries, in addition to the inode
......@@ -84,17 +83,16 @@
/* Amount of blocks needed for quota update - we know that the structure was
* allocated so we need to update only data block */
#define EXT4_QUOTA_TRANS_BLOCKS(sb) ((test_opt(sb, QUOTA) ||\
EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA)) ?\
1 : 0)
ext4_has_feature_quota(sb)) ? 1 : 0)
/* Amount of blocks needed for quota insert/delete - we do some block writes
* but inode, sb and group updates are done only once */
#define EXT4_QUOTA_INIT_BLOCKS(sb) ((test_opt(sb, QUOTA) ||\
EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA)) ?\
ext4_has_feature_quota(sb)) ?\
(DQUOT_INIT_ALLOC*(EXT4_SINGLEDATA_TRANS_BLOCKS(sb)-3)\
+3+DQUOT_INIT_REWRITE) : 0)
#define EXT4_QUOTA_DEL_BLOCKS(sb) ((test_opt(sb, QUOTA) ||\
EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_QUOTA)) ?\
ext4_has_feature_quota(sb)) ?\
(DQUOT_DEL_ALLOC*(EXT4_SINGLEDATA_TRANS_BLOCKS(sb)-3)\
+3+DQUOT_DEL_REWRITE) : 0)
#else
......
......@@ -3055,7 +3055,7 @@ void ext4_ext_init(struct super_block *sb)
* possible initialization would be here
*/
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
if (ext4_has_feature_extents(sb)) {
#if defined(AGGRESSIVE_TEST) || defined(CHECK_BINSEARCH) || defined(EXTENTS_STATS)
printk(KERN_INFO "EXT4-fs: file extents enabled"
#ifdef AGGRESSIVE_TEST
......@@ -3082,7 +3082,7 @@ void ext4_ext_init(struct super_block *sb)
*/
void ext4_ext_release(struct super_block *sb)
{
if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS))
if (!ext4_has_feature_extents(sb))
return;
#ifdef EXTENTS_STATS
......
......@@ -1045,7 +1045,7 @@ struct inode *__ext4_new_inode(handle_t *handle, struct inode *dir,
ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize;
ei->i_inline_off = 0;
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_INLINE_DATA))
if (ext4_has_feature_inline_data(sb))
ext4_set_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA);
ret = inode;
err = dquot_alloc_inode(inode);
......@@ -1060,7 +1060,7 @@ struct inode *__ext4_new_inode(handle_t *handle, struct inode *dir,
if (err)
goto fail_free_drop;
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
if (ext4_has_feature_extents(sb)) {
/* set extent flag only for directory, file and normal symlink*/
if (S_ISDIR(mode) || S_ISREG(mode) || S_ISLNK(mode)) {
ext4_set_inode_flag(inode, EXT4_INODE_EXTENTS);
......
......@@ -562,8 +562,7 @@ int ext4_ind_map_blocks(handle_t *handle, struct inode *inode,
/*
* Okay, we need to do block allocation.
*/
if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
if (ext4_has_feature_bigalloc(inode->i_sb)) {
EXT4_ERROR_INODE(inode, "Can't allocate blocks for "
"non-extent mapped inodes with bigalloc");
return -EFSCORRUPTED;
......
......@@ -434,8 +434,7 @@ static int ext4_destroy_inline_data_nolock(handle_t *handle,
memset((void *)ext4_raw_inode(&is.iloc)->i_block,
0, EXT4_MIN_INLINE_DATA_SIZE);
if (EXT4_HAS_INCOMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_INCOMPAT_EXTENTS)) {
if (ext4_has_feature_extents(inode->i_sb)) {
if (S_ISDIR(inode->i_mode) ||
S_ISREG(inode->i_mode) || S_ISLNK(inode->i_mode)) {
ext4_set_inode_flag(inode, EXT4_INODE_EXTENTS);
......
......@@ -2642,8 +2642,7 @@ static int ext4_nonda_switch(struct super_block *sb)
/* We always reserve for an inode update; the superblock could be there too */
static int ext4_da_write_credits(struct inode *inode, loff_t pos, unsigned len)
{
if (likely(EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_RO_COMPAT_LARGE_FILE)))
if (likely(ext4_has_feature_large_file(inode->i_sb)))
return 1;
if (pos + len <= 0x7fffffffULL)
......@@ -4049,8 +4048,7 @@ static blkcnt_t ext4_inode_blocks(struct ext4_inode *raw_inode,
struct inode *inode = &(ei->vfs_inode);
struct super_block *sb = inode->i_sb;
if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
if (ext4_has_feature_huge_file(sb)) {
/* we are using combined 48 bit field */
i_blocks = ((u64)le16_to_cpu(raw_inode->i_blocks_high)) << 32 |
le32_to_cpu(raw_inode->i_blocks_lo);
......@@ -4173,7 +4171,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
ei->i_flags = le32_to_cpu(raw_inode->i_flags);
inode->i_blocks = ext4_inode_blocks(raw_inode, ei);
ei->i_file_acl = le32_to_cpu(raw_inode->i_file_acl_lo);
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_64BIT))
if (ext4_has_feature_64bit(sb))
ei->i_file_acl |=
((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32;
inode->i_size = ext4_isize(raw_inode);
......@@ -4337,7 +4335,7 @@ static int ext4_inode_blocks_set(handle_t *handle,
ext4_clear_inode_flag(inode, EXT4_INODE_HUGE_FILE);
return 0;
}
if (!EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_HUGE_FILE))
if (!ext4_has_feature_huge_file(sb))
return -EFBIG;
if (i_blocks <= 0xffffffffffffULL) {
......@@ -4498,8 +4496,7 @@ static int ext4_do_update_inode(handle_t *handle,
need_datasync = 1;
}
if (ei->i_disksize > 0x7fffffffULL) {
if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_LARGE_FILE) ||
if (!ext4_has_feature_large_file(sb) ||
EXT4_SB(sb)->s_es->s_rev_level ==
cpu_to_le32(EXT4_GOOD_OLD_REV))
set_large_file = 1;
......@@ -4548,8 +4545,7 @@ static int ext4_do_update_inode(handle_t *handle,
if (err)
goto out_brelse;
ext4_update_dynamic_rev(sb);
EXT4_SET_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_LARGE_FILE);
ext4_set_feature_large_file(sb);
ext4_handle_sync(handle);
err = ext4_handle_dirty_super(handle, sb);
}
......
......@@ -145,8 +145,7 @@ static long swap_inode_boot_loader(struct super_block *sb,
inode_bl->i_version = 1;
i_size_write(inode_bl, 0);
inode_bl->i_mode = S_IFREG;
if (EXT4_HAS_INCOMPAT_FEATURE(sb,
EXT4_FEATURE_INCOMPAT_EXTENTS)) {
if (ext4_has_feature_extents(sb)) {
ext4_set_inode_flag(inode_bl, EXT4_INODE_EXTENTS);
ext4_ext_tree_init(handle, inode_bl);
} else
......@@ -383,8 +382,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
goto group_extend_out;
}
if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online resizing not supported with bigalloc");
err = -EOPNOTSUPP;
......@@ -432,8 +430,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
goto mext_out;
}
if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online defrag not supported with bigalloc");
err = -EOPNOTSUPP;
......@@ -470,8 +467,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
goto group_add_out;
}
if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online resizing not supported with bigalloc");
err = -EOPNOTSUPP;
......@@ -553,8 +549,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
int err = 0, err2 = 0;
ext4_group_t o_group = EXT4_SB(sb)->s_groups_count;
if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online resizing not (yet) supported with bigalloc");
return -EOPNOTSUPP;
......
......@@ -448,8 +448,7 @@ int ext4_ext_migrate(struct inode *inode)
* If the filesystem does not support extents, or the inode
* already is extent-based, error out.
*/
if (!EXT4_HAS_INCOMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_INCOMPAT_EXTENTS) ||
if (!ext4_has_feature_extents(inode->i_sb) ||
(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
return -EINVAL;
......@@ -625,13 +624,11 @@ int ext4_ind_migrate(struct inode *inode)
handle_t *handle;
int ret;
if (!EXT4_HAS_INCOMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_INCOMPAT_EXTENTS) ||
if (!ext4_has_feature_extents(inode->i_sb) ||
(!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
return -EINVAL;
if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_RO_COMPAT_BIGALLOC))
if (ext4_has_feature_bigalloc(inode->i_sb))
return -EOPNOTSUPP;
/*
......
......@@ -2118,7 +2118,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
goto out;
if (blocks == 1 && !dx_fallback &&
EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX)) {
ext4_has_feature_dir_index(sb)) {
retval = make_indexed_dir(handle, &fname, dentry,
inode, bh);
bh = NULL; /* make_indexed_dir releases bh */
......@@ -2388,8 +2388,7 @@ static void ext4_inc_count(handle_t *handle, struct inode *inode)
/* limit is 16-bit i_links_count */
if (inode->i_nlink >= EXT4_LINK_MAX || inode->i_nlink == 2) {
set_nlink(inode, 1);
EXT4_SET_RO_COMPAT_FEATURE(inode->i_sb,
EXT4_FEATURE_RO_COMPAT_DIR_NLINK);
ext4_set_feature_dir_nlink(inode->i_sb);
}
}
}
......@@ -3352,8 +3351,7 @@ static int ext4_setent(handle_t *handle, struct ext4_renament *ent,
if (retval)
return retval;
ent->de->inode = cpu_to_le32(ino);
if (EXT4_HAS_INCOMPAT_FEATURE(ent->dir->i_sb,
EXT4_FEATURE_INCOMPAT_FILETYPE))
if (ext4_has_feature_filetype(ent->dir->i_sb))
ent->de->file_type = file_type;
ent->dir->i_version++;
ent->dir->i_ctime = ent->dir->i_mtime =
......
......@@ -490,7 +490,7 @@ static int setup_new_flex_group_blocks(struct super_block *sb,
group_data[0].group != sbi->s_groups_count);
reserved_gdb = le16_to_cpu(es->s_reserved_gdt_blocks);
meta_bg = EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_META_BG);
meta_bg = ext4_has_feature_meta_bg(sb);
/* This transaction may be extended/restarted along the way */
handle = ext4_journal_start_sb(sb, EXT4_HT_RESIZE, EXT4_MAX_TRANS_DATA);
......@@ -680,8 +680,7 @@ static unsigned ext4_list_backups(struct super_block *sb, unsigned *three,
int mult = 3;
unsigned ret;
if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
if (!ext4_has_feature_sparse_super(sb)) {
ret = *min;
*min += 1;
return ret;
......@@ -1158,7 +1157,7 @@ static int ext4_add_new_descs(handle_t *handle, struct super_block *sb,
int i, gdb_off, gdb_num, err = 0;
int meta_bg;
meta_bg = EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_META_BG);
meta_bg = ext4_has_feature_meta_bg(sb);
for (i = 0; i < count; i++, group++) {
int reserved_gdb = ext4_bg_has_super(sb, group) ?
le16_to_cpu(es->s_reserved_gdt_blocks) : 0;
......@@ -1381,9 +1380,7 @@ static void ext4_update_super(struct super_block *sb,
ext4_debug("free blocks count %llu",
percpu_counter_read(&sbi->s_freeclusters_counter));
if (EXT4_HAS_INCOMPAT_FEATURE(sb,
EXT4_FEATURE_INCOMPAT_FLEX_BG) &&
sbi->s_log_groups_per_flex) {
if (ext4_has_feature_flex_bg(sb) && sbi->s_log_groups_per_flex) {
ext4_group_t flex_group;
flex_group = ext4_flex_group(sbi, group_data[0].group);
atomic64_add(EXT4_NUM_B2C(sbi, free_blocks),
......@@ -1476,8 +1473,7 @@ static int ext4_flex_group_add(struct super_block *sb,
int gdb_num = group / EXT4_DESC_PER_BLOCK(sb);
int gdb_num_end = ((group + flex_gd->count - 1) /
EXT4_DESC_PER_BLOCK(sb));
int meta_bg = EXT4_HAS_INCOMPAT_FEATURE(sb,
EXT4_FEATURE_INCOMPAT_META_BG);
int meta_bg = ext4_has_feature_meta_bg(sb);
sector_t old_gdb = 0;
update_backups(sb, sbi->s_sbh->b_blocknr, (char *)es,
......@@ -1585,8 +1581,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
gdb_off = input->group % EXT4_DESC_PER_BLOCK(sb);
if (gdb_off == 0 && !EXT4_HAS_RO_COMPAT_FEATURE(sb,
EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
if (gdb_off == 0 && !ext4_has_feature_sparse_super(sb)) {
ext4_warning(sb, "Can't resize non-sparse filesystem further");
return -EPERM;
}
......@@ -1604,9 +1599,8 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
}
if (reserved_gdb || gdb_off == 0) {
if (!EXT4_HAS_COMPAT_FEATURE(sb,
EXT4_FEATURE_COMPAT_RESIZE_INODE)
|| !le16_to_cpu(es->s_reserved_gdt_blocks)) {
if (ext4_has_feature_resize_inode(sb) ||
!le16_to_cpu(es->s_reserved_gdt_blocks)) {
ext4_warning(sb,
"No reserved GDT blocks, can't resize");
return -EPERM;
......@@ -1825,8 +1819,8 @@ static int ext4_convert_meta_bg(struct super_block *sb, struct inode *inode)
if (err)
goto errout;
EXT4_CLEAR_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_RESIZE_INODE);
EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_META_BG);
ext4_clear_feature_resize_inode(sb);
ext4_set_feature_meta_bg(sb);
sbi->s_es->s_first_meta_bg =
cpu_to_le32(num_desc_blocks(sb, sbi->s_groups_count));
......@@ -1918,9 +1912,9 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
n_desc_blocks = num_desc_blocks(sb, n_group + 1);
o_desc_blocks = num_desc_blocks(sb, sbi->s_groups_count);
meta_bg = EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_META_BG);
meta_bg = ext4_has_feature_meta_bg(sb);
if (EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_RESIZE_INODE)) {
if (ext4_has_feature_resize_inode(sb)) {
if (meta_bg) {
ext4_error(sb, "resize_inode and meta_bg enabled "
"simultaneously");
......
此差异已折叠。
......@@ -525,12 +525,12 @@ ext4_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size)
static void ext4_xattr_update_super_block(handle_t *handle,
struct super_block *sb)
{
if (EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_EXT_ATTR))
if (ext4_has_feature_xattr(sb))
return;
BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "get_write_access");
if (ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh) == 0) {
EXT4_SET_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_EXT_ATTR);
ext4_set_feature_xattr(sb);
ext4_handle_dirty_super(handle, sb);
}
}
......
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