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bdev/nvme: Factor out decrementing ref. count of nvme_bdev_ns

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Factor out the common operation of nvme_ctrlr_depopulate_namespace_done()
and nvme_bdev_attach_bdev_to_ns() into a helper function nvme_bdev_ns_detach().

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I8efa8bc2c2d455d0fd9e0865ff85fd265d14ee06
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5613
Community-CI: Broadcom CI
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
This commit is contained in:
Shuhei Matsumoto 2021-01-04 16:28:52 +09:00 committed by Tomasz Zawadzki
parent 723d9443f9
commit 060495b140
4 changed files with 19 additions and 25 deletions
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11
module/bdev/nvme/bdev_nvme.c
View File

@ -1312,16 +1312,7 @@ timeout_cb(void *cb_arg, struct spdk_nvme_ctrlr *ctrlr,
void
nvme_ctrlr_depopulate_namespace_done(struct nvme_bdev_ns *nvme_ns)
{
pthread_mutex_lock(&g_bdev_nvme_mutex);
assert(nvme_ns->ref > 0);
nvme_ns->ref--;
if (nvme_ns->ref > 0) {
pthread_mutex_unlock(&g_bdev_nvme_mutex);
return;
}
pthread_mutex_unlock(&g_bdev_nvme_mutex);
nvme_bdev_ctrlr_destruct(nvme_ns->ctrlr);
nvme_bdev_ns_detach(nvme_ns);
}
static void

24
module/bdev/nvme/common.c
View File

@ -184,6 +184,21 @@ nvme_bdev_ctrlr_destruct(struct nvme_bdev_ctrlr *nvme_bdev_ctrlr)
nvme_bdev_ctrlr_do_destruct(nvme_bdev_ctrlr);
}
void
nvme_bdev_ns_detach(struct nvme_bdev_ns *nvme_ns)
{
pthread_mutex_lock(&g_bdev_nvme_mutex);
assert(nvme_ns->ref > 0);
nvme_ns->ref--;
if (nvme_ns->ref > 0) {
pthread_mutex_unlock(&g_bdev_nvme_mutex);
return;
}
pthread_mutex_unlock(&g_bdev_nvme_mutex);
nvme_bdev_ctrlr_destruct(nvme_ns->ctrlr);
}
void
nvme_bdev_attach_bdev_to_ns(struct nvme_bdev_ns *nvme_ns, struct nvme_bdev *nvme_disk)
{
@ -201,14 +216,7 @@ nvme_bdev_detach_bdev_from_ns(struct nvme_bdev *nvme_disk)
pthread_mutex_lock(&g_bdev_nvme_mutex);
TAILQ_REMOVE(&nvme_disk->nvme_ns->bdevs, nvme_disk, tailq);
assert(nvme_ns->ref > 0);
nvme_ns->ref--;
if (nvme_ns->ref > 0) {
pthread_mutex_unlock(&g_bdev_nvme_mutex);
return;
}
pthread_mutex_unlock(&g_bdev_nvme_mutex);
nvme_bdev_ctrlr_destruct(nvme_ns->ctrlr);
nvme_bdev_ns_detach(nvme_ns);
}

1
module/bdev/nvme/common.h
View File

@ -167,6 +167,7 @@ void nvme_bdev_dump_trid_json(const struct spdk_nvme_transport_id *trid,
void nvme_bdev_ctrlr_destruct(struct nvme_bdev_ctrlr *nvme_bdev_ctrlr);
void nvme_bdev_ctrlr_do_destruct(void *ctx);
void nvme_bdev_ns_detach(struct nvme_bdev_ns *nvme_ns);
void nvme_bdev_attach_bdev_to_ns(struct nvme_bdev_ns *nvme_ns, struct nvme_bdev *nvme_disk);
void nvme_bdev_detach_bdev_from_ns(struct nvme_bdev *nvme_disk);

8
test/unit/lib/bdev/bdev_ocssd.c/bdev_ocssd_ut.c
View File

@ -197,13 +197,7 @@ nvme_ctrlr_populate_namespace_done(struct nvme_async_probe_ctx *ctx,
void
nvme_ctrlr_depopulate_namespace_done(struct nvme_bdev_ns *ns)
{
CU_ASSERT(ns->ref > 0);
ns->ref--;
if (ns->ref > 0) {
return;
}
nvme_bdev_ctrlr_destruct(ns->ctrlr);
nvme_bdev_ns_detach(ns);
}
static struct nvme_bdev_ctrlr *