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| author | Sagi Grimberg <sagi@grimberg.me> | 2018-11-20 01:11:15 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-12-08 08:26:57 +0300 |
| commit | 8154ed730bc64f68bc28feb20e641c2e8a0eeba5 (patch) | |
| tree | 21bf5541f51240be99e2b143890f64dd1c392353 /drivers/nvme/host/fabrics.h | |
| parent | 9b95d2fb857f242aacbf4e205656818b0ef067e1 (diff) | |
| download | linux-8154ed730bc64f68bc28feb20e641c2e8a0eeba5.tar.xz | |
nvme: disable fabrics SQ flow control when asked by the user
As for now, we don't care about sq_head pointer updates anyway, so
at least allow the controller to micro-optimize by omiting this update.
Note that we will probably need to support it when a controller
that requires this comes along.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme/host/fabrics.h')
| -rw-r--r-- | drivers/nvme/host/fabrics.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index 6ea6275f332a..ecd9a006a091 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -58,6 +58,7 @@ enum { NVMF_OPT_CTRL_LOSS_TMO = 1 << 11, NVMF_OPT_HOST_ID = 1 << 12, NVMF_OPT_DUP_CONNECT = 1 << 13, + NVMF_OPT_DISABLE_SQFLOW = 1 << 14, }; /** @@ -101,6 +102,7 @@ struct nvmf_ctrl_options { unsigned int kato; struct nvmf_host *host; int max_reconnects; + bool disable_sqflow; }; /* |