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bdev: properly handle the io_outstanding count for QoS bdev channel

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Change-Id: If9e52b9a16ffff7bd4263bfca85bf7cbaf53984c
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/405868
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
GangCao 2018-03-29 22:55:05 -04:00 committed by Jim Harris
parent cf4cf8d52a
commit 898bbb660b
1 changed files with 2 additions and 0 deletions
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2
lib/bdev/bdev.c
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@ -877,6 +877,7 @@ _spdk_bdev_qos_io_submit(void *ctx)
bdev_io = TAILQ_FIRST(&ch->qos_io);
TAILQ_REMOVE(&ch->qos_io, bdev_io, link);
ch->io_submitted_this_timeslice++;
ch->io_outstanding++;
shared_ch->io_outstanding++;
bdev->fn_table->submit_request(ch->channel, bdev_io);
} else {
@ -909,6 +910,7 @@ _spdk_bdev_io_submit(void *ctx)
} else if (bdev_ch->flags & BDEV_CH_RESET_IN_PROGRESS) {
spdk_bdev_io_complete(bdev_io, SPDK_BDEV_IO_STATUS_FAILED);
} else if (bdev_ch->flags & BDEV_CH_QOS_ENABLED) {
bdev_ch->io_outstanding--;
shared_ch->io_outstanding--;
TAILQ_INSERT_TAIL(&bdev_ch->qos_io, bdev_io, link);
_spdk_bdev_qos_io_submit(bdev_ch);