diff options
| author | Christoph Hellwig | 2017-04-05 19:21:13 +0200 |
|---|---|---|
| committer | Jens Axboe | 2017-04-08 19:25:38 +0200 |
| commit | e850fd16f751a6dd1af52fd874225b1231ba9014 (patch) | |
| tree | b4dfcbb1b0ade6711814adc25ed468cf310576f2 /drivers/nvme/host/nvme.h | |
| parent | sd: implement unmapping Write Zeroes (diff) | |
| download | kernel-qcow2-linux-e850fd16f751a6dd1af52fd874225b1231ba9014.tar.gz kernel-qcow2-linux-e850fd16f751a6dd1af52fd874225b1231ba9014.tar.xz kernel-qcow2-linux-e850fd16f751a6dd1af52fd874225b1231ba9014.zip | |
nvme: implement REQ_OP_WRITE_ZEROES
But now for the real NVMe Write Zeroes yet, just to get rid of the
discard abuse for zeroing. Also rename the quirk flag to be a bit
more self-explanatory.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 9eecb67177df..a317461c21d3 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -66,10 +66,10 @@ enum nvme_quirks { NVME_QUIRK_IDENTIFY_CNS = (1 << 1), /* - * The controller deterministically returns O's on reads to discarded - * logical blocks. + * The controller deterministically returns O's on reads to + * logical blocks that deallocate was called on. */ - NVME_QUIRK_DISCARD_ZEROES = (1 << 2), + NVME_QUIRK_DEALLOCATE_ZEROES = (1 << 2), /* * The controller needs a delay before starts checking the device |