LU-2809 llite: Do not return layout_gen for getxattr

[fs/lustre-release.git] / lustre / llite / xattr.c

diff --git a/lustre/llite/xattr.c b/lustre/llite/xattr.c
index 1d9923e..24a89eb 100644 (file)
--- a/lustre/llite/xattr.c
+++ b/lustre/llite/xattr.c
@@ -491,6 +491,10 @@ ssize_t ll_getxattr(struct dentry *dentry, const char *name,
 
                 lump = (struct lov_user_md *)buffer;
                 memcpy(lump, lmm, lmmsize);
+               /* do not return layout gen for getxattr otherwise it would
+                * confuse tar --xattr by recognizing layout gen as stripe
+                * offset when the file is restored. See LU-2809. */
+               lump->lmm_layout_gen = 0;
 
                 rc = lmmsize;
 out: