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-rw-r--r--fs/ext4/xattr.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index 25b7387ff183..91f31ca7d9af 100644
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -27,7 +27,9 @@ 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 */
- __u32 h_reserved[4]; /* zero right now */
+ __le32 h_checksum; /* crc32c(uuid+id+xattrblock) */
+ /* id = inum if refcount=1, blknum otherwise */
+ __u32 h_reserved[3]; /* zero right now */
};
struct ext4_xattr_ibody_header {