ceph: check all mds' caps after page writeback
If an inode has caps from multiple mds's, the following can happen:
- non-auth mds revokes Fsc. Fcb is used, so page writeback is queued.
- when writeback finishes, ceph_check_caps() is called with auth only
flag. ceph_check_caps() invalidates pagecache, but skips checking any
non-auth caps.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index c7ff9f7..ee40ba7 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1984,7 +1984,7 @@ void __ceph_do_pending_vmtruncate(struct inode *inode)
mutex_unlock(&ci->i_truncate_mutex);
if (wrbuffer_refs == 0)
- ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
+ ceph_check_caps(ci, 0, NULL);
wake_up_all(&ci->i_cap_wq);
}