Patchwork [23/23] ext4/jbd2: Add metadata checksumming to the list of supported features

login
register
mail settings
Submitter Darrick J. Wong
Date March 6, 2012, 8:50 p.m.
Message ID <20120306205041.1663.70894.stgit@elm3b70.beaverton.ibm.com>
Download mbox | patch
Permalink /patch/145001/
State Deferred
Delegated to: Theodore Ts'o
Headers show

Comments

Darrick J. Wong - March 6, 2012, 8:50 p.m.
Activate the metadata checksumming feature by adding it to ext4 and jbd2's
lists of supported features.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
---
 fs/ext4/ext4.h       |    3 ++-
 include/linux/jbd2.h |    3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)



--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Patch

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 900d5c4..dd75078 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1486,7 +1486,8 @@  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 f321226..40ceeff 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__