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| author |   Harshad Shirwadkar <harshadshirwadkar@gmail.com> | 2020-10-15 13:37:54 -0700 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2020-10-21 23:22:26 -0400 |
| commit | 995a3ed67fc8c0e3301a770016fb66f1bbf15ec8 (patch) | |
| tree | af8c37a9fed1588a0465a0784e32e87915d49f81 /include/linux/jbd2.h | |
| parent | doc: update ext4 and journalling docs to include fast commit feature (diff) | |
| download | wireguard-linux-995a3ed67fc8c0e3301a770016fb66f1bbf15ec8.tar.xz wireguard-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 'include/linux/jbd2.h')
| -rw-r--r-- | include/linux/jbd2.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 04afa6dcd60d..0685cc95e501 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -289,6 +289,7 @@ typedef struct journal_superblock_s #define JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT 0x00000004 #define JBD2_FEATURE_INCOMPAT_CSUM_V2 0x00000008 #define JBD2_FEATURE_INCOMPAT_CSUM_V3 0x00000010 +#define JBD2_FEATURE_INCOMPAT_FAST_COMMIT 0x00000020 /* See "journal feature predicate functions" below */ @@ -299,7 +300,8 @@ typedef struct journal_superblock_s JBD2_FEATURE_INCOMPAT_64BIT | \ JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT | \ JBD2_FEATURE_INCOMPAT_CSUM_V2 | \ - JBD2_FEATURE_INCOMPAT_CSUM_V3) + JBD2_FEATURE_INCOMPAT_CSUM_V3 | \ + JBD2_FEATURE_INCOMPAT_FAST_COMMIT) #ifdef __KERNEL__ @@ -1263,6 +1265,7 @@ JBD2_FEATURE_INCOMPAT_FUNCS(64bit, 64BIT) JBD2_FEATURE_INCOMPAT_FUNCS(async_commit, ASYNC_COMMIT) JBD2_FEATURE_INCOMPAT_FUNCS(csum2, CSUM_V2) JBD2_FEATURE_INCOMPAT_FUNCS(csum3, CSUM_V3) +JBD2_FEATURE_INCOMPAT_FUNCS(fast_commit, FAST_COMMIT) /* * Journal flag definitions |