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: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://patch.msgid.link/20240606125508.1459893-4-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index bd97c4aa81778e21740c0f09424b4a326f462584..7df0d77643c70fda86638a1a95b601b6f130b50e 100644 (file)
--- 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 */
 };