Commit e93376c2 authored May 27, 2012 by Darrick J. Wong Committed by Theodore Ts'o May 27, 2012

ext4/jbd2: add metadata checksumming to the list of supported features



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>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

parent c3900875

fs/ext4/ext4.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -1494,7 +1494,8 @@ 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

include/linux/jbd2.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -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__