d/numam-spdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

nvmf: remove the data structure spdk_nvmf_subsystem_add_ns_ctx.

Browse Source 
Add pointer of subsystem in namespace data structure, then we can remove
the spdk_nvmf_subsystem_add_ns_ctx.

Change-Id: I2d024f10d35fdac64fc34d0cb6523cfca74a8164
Signed-off-by: Cunyin Chang <cunyin.chang@intel.com>
Reviewed-on: https://review.gerrithub.io/391697
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Cunyin Chang 2017-12-14 10:19:57 +08:00 committed by Ben Walker
parent a6bf23e272
commit 0b99cd6f1e
2 changed files with 6 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lib/nvmf/nvmf_internal.h
View File

@ -125,6 +125,7 @@ struct spdk_nvmf_request {
};
struct spdk_nvmf_ns {
struct spdk_nvmf_subsystem *subsystem;
struct spdk_bdev *bdev;
struct spdk_bdev_desc *desc;
uint32_t id;

25
lib/nvmf/subsystem.c
View File

@ -426,29 +426,21 @@ spdk_nvmf_listener_get_trid(struct spdk_nvmf_listener *listener)
return &listener->trid;
}
struct spdk_nvmf_subsystem_add_ns_ctx {
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_ns *ns;
};
static void
spdk_nvmf_subsystem_add_ns_done(struct spdk_io_channel_iter *i, int status)
{
void *ctx = spdk_io_channel_iter_get_ctx(i);
free(ctx);
return;
}
static void
spdk_nvmf_subsystem_ns_update_poll_group(struct spdk_io_channel_iter *i)
{
struct spdk_nvmf_subsystem_add_ns_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
struct spdk_nvmf_ns *ns = spdk_io_channel_iter_get_ctx(i);
struct spdk_io_channel *ch = spdk_io_channel_iter_get_channel(i);
struct spdk_nvmf_poll_group *group = spdk_io_channel_get_ctx(ch);
int rc;
rc = spdk_nvmf_poll_group_add_ns(group, ctx->subsystem, ctx->ns);
rc = spdk_nvmf_poll_group_add_ns(group, ns->subsystem, ns);
spdk_for_each_channel_continue(i, rc);
}
@ -457,7 +449,6 @@ spdk_nvmf_subsystem_add_ns(struct spdk_nvmf_subsystem *subsystem, struct spdk_bd
uint32_t nsid)
{
struct spdk_nvmf_ns *ns;
struct spdk_nvmf_subsystem_add_ns_ctx *ctx;
uint32_t i;
int rc;
@ -518,6 +509,7 @@ spdk_nvmf_subsystem_add_ns(struct spdk_nvmf_subsystem *subsystem, struct spdk_bd
memset(ns, 0, sizeof(*ns));
ns->bdev = bdev;
ns->id = nsid;
ns->subsystem = subsystem;
rc = spdk_bdev_open(bdev, true, NULL, NULL, &ns->desc);
if (rc != 0) {
SPDK_ERRLOG("Subsystem %s: bdev %s cannot be opened, error=%d\n",
@ -534,13 +526,6 @@ spdk_nvmf_subsystem_add_ns(struct spdk_nvmf_subsystem *subsystem, struct spdk_bd
subsystem->max_nsid = spdk_max(subsystem->max_nsid, nsid);
subsystem->num_allocated_nsid++;
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
return -ENOMEM;
}
ctx->subsystem = subsystem;
ctx->ns = ns;
/* Send a message to each poll group to notify it that a new namespace
* is available.
* TODO: This call does not currently allow the user to wait for these
@ -549,7 +534,7 @@ spdk_nvmf_subsystem_add_ns(struct spdk_nvmf_subsystem *subsystem, struct spdk_bd
*/
spdk_for_each_channel(subsystem->tgt,
spdk_nvmf_subsystem_ns_update_poll_group,
ctx,
ns,
spdk_nvmf_subsystem_add_ns_done);
return nsid;