ivampiresp/Spdk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bdev: move resubmitting nomem IOs to a function

Browse Source 
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I9f91af30ee1dd5f2568d9f76a30f00497aff6bbc
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/17673
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Konrad Sztyber 2023-04-18 11:16:38 +02:00 committed by Jim Harris
parent 62c399ffaf
commit eb8f9bbc99
1 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
lib/bdev/bdev.c
View File

@ -1283,10 +1283,22 @@ bdev_submit_request(struct spdk_bdev *bdev, struct spdk_io_channel *ioch,
bdev->fn_table->submit_request(ioch, bdev_io);
}
static inline void
bdev_ch_resubmit_io(struct spdk_bdev_channel *bdev_ch, struct spdk_bdev_io *bdev_io)
{
struct spdk_bdev *bdev = bdev_ch->bdev;
struct spdk_bdev_shared_resource *shared_resource = bdev_ch->shared_resource;
bdev_io->internal.ch->io_outstanding++;
shared_resource->io_outstanding++;
bdev_io->internal.error.nvme.cdw0 = 0;
bdev_io->num_retries++;
bdev_submit_request(bdev, spdk_bdev_io_get_io_channel(bdev_io), bdev_io);
}
static void
bdev_ch_retry_io(struct spdk_bdev_channel *bdev_ch)
{
struct spdk_bdev *bdev = bdev_ch->bdev;
struct spdk_bdev_shared_resource *shared_resource = bdev_ch->shared_resource;
struct spdk_bdev_io *bdev_io;
@ -1305,11 +1317,7 @@ bdev_ch_retry_io(struct spdk_bdev_channel *bdev_ch)
while (!TAILQ_EMPTY(&shared_resource->nomem_io)) {
bdev_io = TAILQ_FIRST(&shared_resource->nomem_io);
TAILQ_REMOVE(&shared_resource->nomem_io, bdev_io, internal.link);
bdev_io->internal.ch->io_outstanding++;
shared_resource->io_outstanding++;
bdev_io->internal.error.nvme.cdw0 = 0;
bdev_io->num_retries++;
bdev_submit_request(bdev, spdk_bdev_io_get_io_channel(bdev_io), bdev_io);
bdev_ch_resubmit_io(bdev_ch, bdev_io);
if (bdev_io == TAILQ_FIRST(&shared_resource->nomem_io)) {
/* This IO completed again with NOMEM status, so break the loop and
* don't try anymore. Note that a bdev_io that fails with NOMEM