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>

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 0ee9669394f5c2b3684b129fc985325e773ead30..d1e2735ac22f077d3b58d5177842412f926ff41a 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -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

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index a9632bc55d97e61dfedf03da8ac5316008e7b39a..f334c7fab96762ab4131c9886df87d4d6d4dde9d 100644 (file)
--- 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__