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bdev/nvme: Factor out searching io_path operation from find_io_path()

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Signed-off-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Change-Id: I26939b39cfd4b92bdbc1d4ef10961ba35145043c
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12000
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Dong Yi <dongx.yi@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
This commit is contained in:
Shuhei Matsumoto 2022-03-16 16:36:49 +09:00 committed by Tomasz Zawadzki
parent 22b77a3c80
commit 0869265d66
1 changed files with 12 additions and 6 deletions
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18
module/bdev/nvme/bdev_nvme.c
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@ -825,15 +825,11 @@ nvme_ctrlr_is_available(struct nvme_ctrlr *nvme_ctrlr)
return true;
}
static inline struct nvme_io_path *
bdev_nvme_find_io_path(struct nvme_bdev_channel *nbdev_ch)
static struct nvme_io_path *
_bdev_nvme_find_io_path(struct nvme_bdev_channel *nbdev_ch)
{
struct nvme_io_path *io_path, *non_optimized = NULL;
if (spdk_likely(nbdev_ch->current_io_path != NULL)) {
return nbdev_ch->current_io_path;
}
STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
if (spdk_unlikely(!nvme_io_path_is_connected(io_path))) {
/* The device is currently resetting. */
@ -861,6 +857,16 @@ bdev_nvme_find_io_path(struct nvme_bdev_channel *nbdev_ch)
return non_optimized;
}
static inline struct nvme_io_path *
bdev_nvme_find_io_path(struct nvme_bdev_channel *nbdev_ch)
{
if (spdk_unlikely(nbdev_ch->current_io_path == NULL)) {
return _bdev_nvme_find_io_path(nbdev_ch);
}
return nbdev_ch->current_io_path;
}
/* Return true if there is any io_path whose qpair is active or ctrlr is not failed,
* or false otherwise.
*