tree c1e37538f307692c5a1bb885bde58be6282b6378
parent 1287dabd345f447bbe0f7a99fc95ab89bcfc0f5d
author Keith Busch <keith.busch@intel.com> 1367342378 -0600
committer Matthew Wilcox <matthew.r.wilcox@intel.com> 1368796718 -0400

NVMe: Do not cancel command multiple times

Cancelling an already cancelled command does not do anything, so check
the command context before cancelling it, continuing if had already been
cancelled so we do not log the same problem every second if a device
stops responding.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>