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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2008-01-28 23:58:27 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2008-01-28 23:58:27 -0500 |
| commit | 99e6f829a854daa6d56006cad51156e98863e73a (patch) | |
| tree | fff435d898ce3db5492252a241531d4016ba3b65 | |
| parent | 2aa9fc4c405467f6afbbb2162ff8afaced47d99b (diff) | |
| download | linux-99e6f829a854daa6d56006cad51156e98863e73a.tar.bz2 | |
ext4: Introduce ext4_update_*_feature
Introduce ext4_update_*_feature and use them instead
of opencoding.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
| -rw-r--r-- | fs/ext4/ialloc.c | 11 | ||||
| -rw-r--r-- | fs/ext4/super.c | 60 | ||||
| -rw-r--r-- | include/linux/ext4_fs.h | 6 |
3 files changed, 70 insertions, 7 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 7b5cfa62b663..00b152b92480 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -748,13 +748,10 @@ got: if (test_opt(sb, EXTENTS)) { EXT4_I(inode)->i_flags |= EXT4_EXTENTS_FL; ext4_ext_tree_init(handle, inode); - if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) { - err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh); - if (err) goto fail; - EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS); - BUFFER_TRACE(EXT4_SB(sb)->s_sbh, "call ext4_journal_dirty_metadata"); - err = ext4_journal_dirty_metadata(handle, EXT4_SB(sb)->s_sbh); - } + err = ext4_update_incompat_feature(handle, sb, + EXT4_FEATURE_INCOMPAT_EXTENTS); + if (err) + goto fail; } ext4_debug("allocating inode %lu\n", inode->i_ino); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index df8842b43544..4d7f33f79552 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -373,6 +373,66 @@ void ext4_update_dynamic_rev(struct super_block *sb) */ } +int ext4_update_compat_feature(handle_t *handle, + struct super_block *sb, __u32 compat) +{ + int err = 0; + if (!EXT4_HAS_COMPAT_FEATURE(sb, compat)) { + err = ext4_journal_get_write_access(handle, + EXT4_SB(sb)->s_sbh); + if (err) + return err; + EXT4_SET_COMPAT_FEATURE(sb, compat); + sb->s_dirt = 1; + handle->h_sync = 1; + BUFFER_TRACE(EXT4_SB(sb)->s_sbh, + "call ext4_journal_dirty_met adata"); + err = ext4_journal_dirty_metadata(handle, + EXT4_SB(sb)->s_sbh); + } + return err; +} + +int ext4_update_rocompat_feature(handle_t *handle, + struct super_block *sb, __u32 rocompat) +{ + int err = 0; + if (!EXT4_HAS_RO_COMPAT_FEATURE(sb, rocompat)) { + err = ext4_journal_get_write_access(handle, + EXT4_SB(sb)->s_sbh); + if (err) + return err; + EXT4_SET_RO_COMPAT_FEATURE(sb, rocompat); + sb->s_dirt = 1; + handle->h_sync = 1; + BUFFER_TRACE(EXT4_SB(sb)->s_sbh, + "call ext4_journal_dirty_met adata"); + err = ext4_journal_dirty_metadata(handle, + EXT4_SB(sb)->s_sbh); + } + return err; +} + +int ext4_update_incompat_feature(handle_t *handle, + struct super_block *sb, __u32 incompat) +{ + int err = 0; + if (!EXT4_HAS_INCOMPAT_FEATURE(sb, incompat)) { + err = ext4_journal_get_write_access(handle, + EXT4_SB(sb)->s_sbh); + if (err) + return err; + EXT4_SET_INCOMPAT_FEATURE(sb, incompat); + sb->s_dirt = 1; + handle->h_sync = 1; + BUFFER_TRACE(EXT4_SB(sb)->s_sbh, + "call ext4_journal_dirty_met adata"); + err = ext4_journal_dirty_metadata(handle, + EXT4_SB(sb)->s_sbh); + } + return err; +} + /* * Open the external journal device */ diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h index e1103c2a0d42..429dbfc851ea 100644 --- a/include/linux/ext4_fs.h +++ b/include/linux/ext4_fs.h @@ -989,6 +989,12 @@ extern void ext4_abort (struct super_block *, const char *, const char *, ...) extern void ext4_warning (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); extern void ext4_update_dynamic_rev (struct super_block *sb); +extern int ext4_update_compat_feature(handle_t *handle, struct super_block *sb, + __u32 compat); +extern int ext4_update_rocompat_feature(handle_t *handle, + struct super_block *sb, __u32 rocompat); +extern int ext4_update_incompat_feature(handle_t *handle, + struct super_block *sb, __u32 incompat); extern ext4_fsblk_t ext4_block_bitmap(struct super_block *sb, struct ext4_group_desc *bg); extern ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb, |