diff options
| author |   Sagi Grimberg <sagi@grimberg.me> | 2016-09-21 11:06:32 -0700 |
|---|---|---|
| committer | Sagi Grimberg <sagi@grimberg.me> | 2016-09-23 15:37:38 -0700 |
| commit | 9b349b080ca9777f6dab3da06d7fa4577f7d4c29 (patch) | |
| tree | 0071a47de72b0f5d23b83a5008830eac4bba92e5 /drivers/nvme | |
| parent | admin-cmd: Added smart-log command support. (diff) | |
| download | linux-dev-9b349b080ca9777f6dab3da06d7fa4577f7d4c29.tar.xz linux-dev-9b349b080ca9777f6dab3da06d7fa4577f7d4c29.zip | |
nvmet: Use direct IO for writes
We're designed to work with high-end devices where
direct IO makes perfect sense. We noticed that we
context switch by scheduling kblockd instead of going
directly to the device without REQ_SYNC for writes.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/target/io-cmd.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvme/target/io-cmd.c b/drivers/nvme/target/io-cmd.c index 2cd069b691ae..4132b6b98182 100644 --- a/drivers/nvme/target/io-cmd.c +++ b/drivers/nvme/target/io-cmd.c @@ -58,6 +58,7 @@ static void nvmet_execute_rw(struct nvmet_req *req) if (req->cmd->rw.opcode == nvme_cmd_write) { op = REQ_OP_WRITE; + op_flags = WRITE_ODIRECT; if (req->cmd->rw.control & cpu_to_le16(NVME_RW_FUA)) op_flags |= REQ_FUA; } else { |