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[3/3] ext4: correct comment of h_checksum

Message ID 20240606125508.1459893-4-shikemeng@huaweicloud.com
State Awaiting Upstream
Headers show
Series Some extended attributes related comments correction | expand

Commit Message

Kemeng Shi June 6, 2024, 12:55 p.m. UTC 
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>
---
 fs/ext4/xattr.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

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 */
 };