diff mbox series

ceph: choose auth MDS for getxattr with the Xs caps

Message ID 20220527044113.953721-1-xiubli@redhat.com
State New
Headers show
Series ceph: choose auth MDS for getxattr with the Xs caps | expand

Commit Message

Xiubo Li May 27, 2022, 4:41 a.m. UTC 
And for the 'Xs' caps for getxattr we will also choose the auth MDS,
because the MDS side code is buggy due to setxattr won't notify the
replica MDSes when the values changed and the replica MDS will return
the old values. Though we will fix it in MDS code, but this still
makes sense for old ceph.

URL: https://tracker.ceph.com/issues/55331
Signed-off-by: Xiubo Li <xiubli@redhat.com>
---
 fs/ceph/inode.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 9d1add59bc17..09665b82330e 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -2276,9 +2276,15 @@  int ceph_try_to_choose_auth_mds(struct inode *inode, int mask)
 	 *
 	 * This cost much when doing the Locker state transition and
 	 * usually will need to revoke caps from clients.
+	 *
+	 * And for the 'Xs' caps for getxattr we will also choose the
+	 * auth MDS, because the MDS side code is buggy due to setxattr
+	 * won't notify the replica MDSes when the values changed and
+	 * the replica MDS will return the old values. Though we will
+	 * fix it in MDS code, but this still makes sense for old ceph.
 	 */
 	if (((mask & CEPH_CAP_ANY_SHARED) && (issued & CEPH_CAP_ANY_EXCL))
-	    || (mask & CEPH_STAT_RSTAT))
+	    || (mask & (CEPH_STAT_RSTAT | CEPH_STAT_CAP_XATTR)))
 		return USE_AUTH_MDS;
 	else
 		return USE_ANY_MDS;