Commit 5071010a authored by Kemeng Shi's avatar Kemeng Shi Committed by Theodore Ts'o
Browse files

ext4: correct comment of h_checksum 



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: default avatarKemeng Shi <shikemeng@huaweicloud.com>
Link: https://patch.msgid.link/20240606125508.1459893-4-shikemeng@huaweicloud.com


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 4b14737c

fs/ext4/xattr.h

+1 −2
Original line number Diff line number Diff line
@@ -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 */

};