[PATCH 23/23] ext4/jbd2: Add metadata checksumming to the list ofsupported features

[Darrick J. Wong]

Activate the metadata checksumming feature by adding it to ext4 and jbd2's
lists of supported features.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 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__
 

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