From 978097c907b58a2d085bbf7632bee1a5a7e6f6ba Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Mon, 8 Mar 2010 15:27:53 -0800 Subject: [PATCH] ceph: implemented caps should always be superset of issued caps Added assertion, and cleared one case where the implemented caps were not following the issued caps. Signed-off-by: Yehuda Sadeh Signed-off-by: Sage Weil --- fs/ceph/caps.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index db122bb357b8..57d9b44a8820 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2334,6 +2334,7 @@ static int handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, revoked_rdcache) reply = 2; /* send revoke ack in check_caps */ cap->issued = newcaps; + cap->implemented |= newcaps; } else if (cap->issued == newcaps) { dout("caps unchanged: %s -> %s\n", ceph_cap_string(cap->issued), ceph_cap_string(newcaps)); @@ -2346,6 +2347,7 @@ static int handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, * pending revocation */ wake = 1; } + BUG_ON(cap->issued & ~cap->implemented); spin_unlock(&inode->i_lock); if (writeback) -- GitLab