Commit d1887459 authored by Evgeniy Kochetov's avatar Evgeniy Kochetov Committed by Tomasz Zawadzki
Browse files

nvme/conf: Make 'delay_cmd_submit' configurable via config file 



Option 'DelayCmdSubmit' has been added to 'Nvme' section of
configuration file.

Signed-off-by: default avatarEvgeniy Kochetov <evgeniik@mellanox.com>
Signed-off-by: default avatarSasha Kotchubievsky <sashakot@mellanox.com>
Signed-off-by: default avatarAlexey Marchuk <alexeymar@mellanox.com>
Change-Id: Ie367d0012d8274b9bf12c0377d1c4804a700ac94
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475307


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 542be879

etc/spdk/nvmf.conf.in

+4 −0
Original line number Diff line number Diff line
@@ -199,6 +199,10 @@ 
  # Default: No

  HotplugEnable No



  # Enable/disable delayed NVMe command submission.

  # Default: True.

  DelayCmdSubmit True



# The Split virtual block device slices block devices into multiple smaller bdevs.

[Split]

  # Syntax:

module/bdev/nvme/bdev_nvme.c

+4 −0
Original line number Diff line number Diff line
@@ -1619,6 +1619,9 @@ bdev_nvme_library_init(void) 
	g_nvme_hostnqn = spdk_conf_section_get_val(sp, "HostNQN");

	probe_ctx->hostnqn = g_nvme_hostnqn;



	g_opts.delay_cmd_submit = spdk_conf_section_get_boolval(sp, "DelayCmdSubmit",

				  SPDK_BDEV_NVME_DEFAULT_DELAY_CMD_SUBMIT);



	for (i = 0; i < NVME_MAX_CONTROLLERS; i++) {

		val = spdk_conf_section_get_nmval(sp, "TransportID", i, 0);

		if (val == NULL) {
@@ -2253,6 +2256,7 @@ bdev_nvme_get_spdk_running_config(FILE *fp) 
	if (g_nvme_hostnqn) {

		fprintf(fp, "HostNQN %s\n",  g_nvme_hostnqn);

	}

	fprintf(fp, "DelayCmdSubmit %s\n", g_opts.delay_cmd_submit ? "True" : "False");



	fprintf(fp, "\n");

}