diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-02-19 12:04:42 -0500 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2013-03-06 03:24:05 +0000 |
| commit | c0bb151f11915056a9457bc9234de5c0fe9c4d2c (patch) | |
| tree | 247ff4b4fb9788a6d9d3dfbe7d356e612238a210 | |
| parent | c6f8eab7b3f687d2642e2c6e99da46d9dcef3927 (diff) | |
NLM: Ensure that we resend all pending blocking locks after a reclaim
commit 666b3d803a511fbc9bc5e5ea8ce66010cf03ea13 upstream.
Currently, nlmclnt_lock will break out of the for(;;) loop when
the reclaimer wakes up the blocking lock thread by setting
nlm_lck_denied_grace_period. This causes the lock request to fail
with an ENOLCK error.
The intention was always to ensure that we resend the lock request
after the grace period has expired.
Reported-by: Wangyuan Zhang <Wangyuan.Zhang@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -rw-r--r-- | fs/lockd/clntproc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 8392cb85bd54..a3a09877ea62 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -551,6 +551,9 @@ again: status = nlmclnt_block(block, req, NLMCLNT_POLL_TIMEOUT); if (status < 0) break; + /* Resend the blocking lock request after a server reboot */ + if (resp->status == nlm_lck_denied_grace_period) + continue; if (resp->status != nlm_lck_blocked) break; } |