From: "Darrick J. Wong" Subject: [PATCH 23/23] ext4/jbd2: Add metadata checksumming to the list of supported features Date: Sat, 07 Jan 2012 00:30:27 -0800 Message-ID: <20120107083027.21970.16976.stgit@elm3c44.beaverton.ibm.com> References: <20120107082751.21970.84856.stgit@elm3c44.beaverton.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: Sunil Mushran , Martin K Petersen , Greg Freemyer , Amir Goldstein , linux-kernel , Andi Kleen , Mingming Cao , Joel Becker , linux-fsdevel , linux-ext4@vger.kernel.org, Coly Li To: Andreas Dilger , Theodore Tso , "Darrick J. Wong" Return-path: In-Reply-To: <20120107082751.21970.84856.stgit@elm3c44.beaverton.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org Activate the metadata checksumming feature by adding it to ext4 and jbd2's lists of supported features. Signed-off-by: Darrick J. Wong --- 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__