[PATCH 23/23] ext4/jbd2: Add metadata checksumming to the list of supported features
From: Darrick J. Wong <hidden>
Date: 2012-01-07 08:30:27
Also in:
linux-fsdevel, lkml
Subsystem:
ext4 file system, filesystems (vfs and infrastructure), journalling layer for block devices (jbd2), the rest · Maintainers:
"Theodore Ts'o", Alexander Viro, Christian Brauner, Jan Kara, Linus Torvalds
Activate the metadata checksumming feature by adding it to ext4 and jbd2's lists of supported features. Signed-off-by: Darrick J. Wong <redacted> --- fs/ext4/ext4.h | 6 ++++-- include/linux/jbd2.h | 3 ++- 2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 325bae0..af756bc 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h@@ -1461,7 +1461,8 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei) EXT4_FEATURE_INCOMPAT_EXTENTS| \ EXT4_FEATURE_INCOMPAT_64BIT| \ EXT4_FEATURE_INCOMPAT_FLEX_BG| \ - EXT4_FEATURE_INCOMPAT_MMP) + EXT4_FEATURE_INCOMPAT_MMP| \ + EXT4_FEATURE_INCOMPAT_BG_USE_META_CSUM) #define EXT4_FEATURE_RO_COMPAT_SUPP (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \ EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \ EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \
@@ -1469,7 +1470,8 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei) EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE | \ EXT4_FEATURE_RO_COMPAT_BTREE_DIR |\ EXT4_FEATURE_RO_COMPAT_HUGE_FILE |\ - EXT4_FEATURE_RO_COMPAT_BIGALLOC) + EXT4_FEATURE_RO_COMPAT_BIGALLOC |\ + EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) /* * Default values for user and/or group using reserved blocks
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 51d4a0b..b1c5857 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h@@ -296,7 +296,8 @@ typedef struct journal_superblock_s #define JBD2_KNOWN_ROCOMPAT_FEATURES 0 #define JBD2_KNOWN_INCOMPAT_FEATURES (JBD2_FEATURE_INCOMPAT_REVOKE | \ JBD2_FEATURE_INCOMPAT_64BIT | \ - JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT) + JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT | \ + JBD2_FEATURE_INCOMPAT_CSUM_V2) #ifdef __KERNEL__