| commit | 7776db1ccc123d5944a8c170c9c45f7e91d49643 | [log] [tgz] |
|---|---|---|
| author | Keith Busch <keith.busch@intel.com> | Fri Feb 24 17:59:28 2017 -0500 |
| committer | Christoph Hellwig <hch@lst.de> | Fri Apr 21 16:41:55 2017 +0200 |
| tree | 9ab89673ad47e3db66dabc60672b34ebfcb7ac52 | |
| parent | 4363135761e085fbb5ddb16dfbd4322a4d2e5037 [diff] |
nvme/pci: Poll CQ on timeout If an IO timeout occurs, it's helpful to know if the controller did not post a completion or the driver missed an interrupt. While we never expect the latter, this patch will make it possible to tell the difference so we don't have to guess. Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>