diff options
| author |   Sagi Grimberg <sagi@grimberg.me> | 2018-12-14 11:06:09 -0800 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2018-12-18 17:50:49 +0100 |
| commit | 89d43802b0e7298bc0b464bdb5fff864074e2218 (patch) | |
| tree | f20c00247491ff1431d50802b2b575a145241813 /drivers/nvme/host/fabrics.c | |
| parent | nvme-fabrics: allow nvmf_connect_io_queue to poll (diff) | |
| download | linux-dev-89d43802b0e7298bc0b464bdb5fff864074e2218.tar.xz linux-dev-89d43802b0e7298bc0b464bdb5fff864074e2218.zip | |
nvme-fabrics: allow user to pass in nr_poll_queues
This argument will specify how many polling I/O queues to connect when
creating the controller. These I/O queues will host I/O that is set with
REQ_HIPRI.
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host/fabrics.c')
| -rw-r--r-- | drivers/nvme/host/fabrics.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 5ff14f46a8d9..b2ab213f43de 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -617,6 +617,7 @@ static const match_table_t opt_tokens = { { NVMF_OPT_HDR_DIGEST, "hdr_digest" }, { NVMF_OPT_DATA_DIGEST, "data_digest" }, { NVMF_OPT_NR_WRITE_QUEUES, "nr_write_queues=%d" }, + { NVMF_OPT_NR_POLL_QUEUES, "nr_poll_queues=%d" }, { NVMF_OPT_ERR, NULL } }; @@ -850,6 +851,18 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, } opts->nr_write_queues = token; break; + case NVMF_OPT_NR_POLL_QUEUES: + if (match_int(args, &token)) { + ret = -EINVAL; + goto out; + } + if (token <= 0) { + pr_err("Invalid nr_poll_queues %d\n", token); + ret = -EINVAL; + goto out; + } + opts->nr_poll_queues = token; + break; default: pr_warn("unknown parameter or missing value '%s' in ctrl creation request\n", p); |