Checksum of xattr block is always crc32c(uuid+blknum+xattrblock), see ext4_xattr_block_csum_set for detail. Remove incorrect comment that "id = inum if refcount=1". Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx> --- fs/ext4/xattr.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h index bd97c4aa8177..7df0d77643c7 100644 --- a/fs/ext4/xattr.h +++ b/fs/ext4/xattr.h @@ -32,8 +32,7 @@ struct ext4_xattr_header { __le32 h_refcount; /* reference count */ __le32 h_blocks; /* number of disk blocks used */ __le32 h_hash; /* hash value of all attributes */ - __le32 h_checksum; /* crc32c(uuid+id+xattrblock) */ - /* id = inum if refcount=1, blknum otherwise */ + __le32 h_checksum; /* crc32c(uuid+blknum+xattrblock) */ __u32 h_reserved[3]; /* zero right now */ }; -- 2.30.0