pNFS: Fix a typo in pnfs_update_layout

commit 400417b05f3ec0531544ca5f94e64d838d8b8849 upstream.

We're supposed to wait for the outstanding layout count to go to zero,
but that got lost somehow.

Fixes: d03360aaf5cca ("pNFS: Ensure we return the error if someone...")
Reported-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 7d9a51e..1aa628c 100644 (file)
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1866,7 +1866,7 @@ lookup_again:
            atomic_read(&lo->plh_outstanding) != 0) {
                spin_unlock(&ino->i_lock);
                lseg = ERR_PTR(wait_var_event_killable(&lo->plh_outstanding,
-                                       atomic_read(&lo->plh_outstanding)));
+                                       !atomic_read(&lo->plh_outstanding)));
                if (IS_ERR(lseg) || !list_empty(&lo->plh_segs))
                        goto out_put_layout_hdr;
                pnfs_put_layout_hdr(lo);