client: call _getattr() for -ENODATA returned _getvxattr() calls

_getvxattr rpc doesn't handle ceph.mirror.* attributes and always
returns -ENODATA for ceph.mirror.* attributes. This prevents
incremental syncing of snapshots. So let them call _getattr()
and proceed.

Fixes: https://tracker.ceph.com/issues/63099
Signed-off-by: Jos Collin <jcollin@redhat.com>
(cherry picked from commit a36f5ed185cbcd788e36ad22a00cfe9dcdfdfe7f)

diff --git a/src/client/Client.cc b/src/client/Client.cc
index 47d4ab6b5c34756a28d889b1ae9a6b2ab16ca5c4..ee7e58dd697f32262af50ba515e31cf9e055852f 100644 (file)
--- a/src/client/Client.cc
+++ b/src/client/Client.cc
@@ -12697,7 +12697,9 @@ int Client::_getxattr(Inode *in, const char *name, void *value, size_t size,
 
   if (!strncmp(name, "ceph.", 5)) {
     r = _getvxattr(in, perms, name, size, value, MDS_RANK_NONE);
-    goto out;
+    if (r != -ENODATA) {
+      goto out;
+    }
   }
 
   if (acl_type == NO_ACL && !strncmp(name, "system.", 7)) {