| commit | 8ac092519ad91931c96d306c4bfae2c6587c325f | [log] [tgz] |
|---|---|---|
| author | Trond Myklebust <trond.myklebust@primarydata.com> | Mon Jan 23 22:44:12 2017 -0500 |
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | Mon Jan 23 22:44:12 2017 -0500 |
| tree | ce2a134fdbed539f535f1b5a63cd5bdbc264965b | |
| parent | 7a308bb3016f57e5be11a677d15b821536419d36 [diff] |
NFSv4.1: Fix a deadlock in layoutget
We cannot call nfs4_handle_exception() without first ensuring that the
slot has been freed. If not, we end up deadlocking with the process
waiting for recovery to complete, and recovery waiting for the slot
table to drain.
Fixes: 2e80dbe7ac51 ("NFSv4.1: Close callback races for OPEN, LAYOUTGET...")
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>