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| author | Harshad Shirwadkar <harshadshirwadkar@gmail.com> | 2020-10-15 22:37:54 +0200 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2020-10-22 05:22:26 +0200 |
| commit | 995a3ed67fc8c0e3301a770016fb66f1bbf15ec8 (patch) | |
| tree | af8c37a9fed1588a0465a0784e32e87915d49f81 /fs/ext4/ext4.h | |
| parent | doc: update ext4 and journalling docs to include fast commit feature (diff) | |
| download | linux-995a3ed67fc8c0e3301a770016fb66f1bbf15ec8.tar.xz linux-995a3ed67fc8c0e3301a770016fb66f1bbf15ec8.zip | |
ext4: add fast_commit feature and handling for extended mount options
We are running out of mount option bits. Add handling for using
s_mount_opt2. Add ext4 and jbd2 fast commit feature flag and also add
ability to turn off the fast commit feature in Ext4.
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201015203802.3597742-3-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 1879531a119f..02d7dc378505 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1213,6 +1213,8 @@ struct ext4_inode_info { #define EXT4_MOUNT2_EXPLICIT_JOURNAL_CHECKSUM 0x00000008 /* User explicitly specified journal checksum */ +#define EXT4_MOUNT2_JOURNAL_FAST_COMMIT 0x00000010 /* Journal fast commit */ + #define clear_opt(sb, opt) EXT4_SB(sb)->s_mount_opt &= \ ~EXT4_MOUNT_##opt #define set_opt(sb, opt) EXT4_SB(sb)->s_mount_opt |= \ @@ -1813,6 +1815,7 @@ static inline bool ext4_verity_in_progress(struct inode *inode) #define EXT4_FEATURE_COMPAT_RESIZE_INODE 0x0010 #define EXT4_FEATURE_COMPAT_DIR_INDEX 0x0020 #define EXT4_FEATURE_COMPAT_SPARSE_SUPER2 0x0200 +#define EXT4_FEATURE_COMPAT_FAST_COMMIT 0x0400 #define EXT4_FEATURE_COMPAT_STABLE_INODES 0x0800 #define EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 @@ -1915,6 +1918,7 @@ 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_COMPAT_FUNCS(fast_commit, FAST_COMMIT) EXT4_FEATURE_COMPAT_FUNCS(stable_inodes, STABLE_INODES) EXT4_FEATURE_RO_COMPAT_FUNCS(sparse_super, SPARSE_SUPER) |