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bdev/nvme: Admin commands fall through even if optimal io_path is not found

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bdev_nvme_admin_passthrough(), bdev_nvme_reset_io(), and
bdev_nvme_abort() do not use io_path. So simply fall through even
if the optimal io_path is not found for these, and clear the
cached io_path for these.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Ib26fcbf99c95bbfb6e825c1b7c6455241c198d92
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9675
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
This commit is contained in:
Shuhei Matsumoto 2021-09-28 16:43:22 +09:00 committed by Tomasz Zawadzki
parent d2e2405f13
commit eea12e0df1
1 changed files with 26 additions and 2 deletions
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28
module/bdev/nvme/bdev_nvme.c
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@ -639,6 +639,21 @@ bdev_nvme_destroy_bdev_channel_cb(void *io_device, void *ctx_buf)
_bdev_nvme_delete_io_paths(nbdev_ch);
}
static inline bool
bdev_nvme_io_type_is_admin(enum spdk_bdev_io_type io_type)
{
switch (io_type) {
case SPDK_BDEV_IO_TYPE_RESET:
case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
case SPDK_BDEV_IO_TYPE_ABORT:
return true;
default:
break;
}
return false;
}
static inline bool
nvme_io_path_is_available(struct nvme_io_path *io_path)
{
@ -1285,8 +1300,14 @@ bdev_nvme_submit_request(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_i
nbdev_io->io_path = bdev_nvme_find_io_path(nbdev_ch);
if (spdk_unlikely(!nbdev_io->io_path)) {
rc = -ENXIO;
goto exit;
if (!bdev_nvme_io_type_is_admin(bdev_io->type)) {
rc = -ENXIO;
goto exit;
}
/* Admin commands do not use the optimal I/O path.
* Simply fall through even if it is not found.
*/
}
switch (bdev_io->type) {
@ -1347,6 +1368,7 @@ bdev_nvme_submit_request(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_i
bdev_io->u.bdev.num_blocks);
break;
case SPDK_BDEV_IO_TYPE_RESET:
nbdev_io->io_path = NULL;
bdev_nvme_reset_io(nbdev_ch, nbdev_io);
break;
case SPDK_BDEV_IO_TYPE_FLUSH:
@ -1375,6 +1397,7 @@ bdev_nvme_submit_request(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_i
bdev_io->u.zone_mgmt.zone_action);
break;
case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
nbdev_io->io_path = NULL;
rc = bdev_nvme_admin_passthru(nbdev_ch,
nbdev_io,
&bdev_io->u.nvme_passthru.cmd,
@ -1396,6 +1419,7 @@ bdev_nvme_submit_request(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_i
bdev_io->u.nvme_passthru.md_len);
break;
case SPDK_BDEV_IO_TYPE_ABORT:
nbdev_io->io_path = NULL;
nbdev_io_to_abort = (struct nvme_bdev_io *)bdev_io->u.abort.bio_to_abort->driver_ctx;
bdev_nvme_abort(nbdev_ch,
nbdev_io,