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8b94174a4e
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Dariusz Stojaczyk 8b94174a4e virtio: fix full-virtqueue handling 
Distinguish between "not enough descriptors available"
and "iovcnt > queue depth".

This patch brings back I/O re-queueing for virtio bdev
module. It was temporarily disabled by 451de7e1 [1].

[1] 451de7e1: "virtio: switch to the new virtqueue API"

Change-Id: I4c4f6a6d9d91373ee647ea7cafd53ad999aa6aa2
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/393447
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2018-01-03 14:35:36 -05:00
..
bdev bdev/error: add bdev_part hotremove callback 2018-01-03 12:11:26 -05:00
blob build: remove $(ENV_CFLAGS) where not necessary 2018-01-03 12:05:59 -05:00
blobfs blob: change spdk_bs_iter_next parameter to spdk_blob * 2017-12-15 12:28:44 -05:00
conf conf: Remove use of perror() for strdup() failure 2017-12-15 16:13:27 -05:00
copy build: remove $(ENV_CFLAGS) where not necessary 2018-01-03 12:05:59 -05:00
cunit include: Move the remainder of the code base to stdinc.h 2017-05-08 13:20:36 -07:00
env_dpdk env: export spdk_env_get_last_core function. 2017-12-23 15:08:24 -05:00
event build: remove $(ENV_CFLAGS) where not necessary 2018-01-03 12:05:59 -05:00
ioat build: remove $(ENV_CFLAGS) where not necessary 2018-01-03 12:05:59 -05:00
iscsi iscsi/conn: remove the libuns related comments. 2018-01-03 14:03:18 -05:00
json astyle: enforce braces around single-line statements 2017-12-11 11:19:32 -05:00
jsonrpc log: rename SPDK_TRACE_* to SPDK_LOG_* 2017-12-07 12:23:19 -05:00
log log: rename SPDK_TRACE_* to SPDK_LOG_* 2017-12-07 12:23:19 -05:00
lvol build: remove $(ENV_CFLAGS) where not necessary 2018-01-03 12:05:59 -05:00
nbd nbd: place mop-up ioctl to _nbd_stop 2017-12-26 12:09:35 -05:00
net astyle: enforce braces around single-line statements 2017-12-11 11:19:32 -05:00
nvme build: remove $(ENV_CFLAGS) where not necessary 2018-01-03 12:05:59 -05:00
nvmf build: remove $(ENV_CFLAGS) where not necessary 2018-01-03 12:05:59 -05:00
rocksdb astyle: enforce braces around single-line statements 2017-12-11 11:19:32 -05:00
rpc build: remove $(ENV_CFLAGS) where not necessary 2018-01-03 12:05:59 -05:00
scsi build: remove $(ENV_CFLAGS) where not necessary 2018-01-03 12:05:59 -05:00
trace trace: replace DPDK call with SPDK env.h wrapper 2017-12-12 15:37:05 -05:00
ut_mock test/mock: add pthread_self 2017-09-19 17:15:15 -04:00
util util: make spdk_strerror_r() return void 2018-01-03 14:04:59 -05:00
vhost vhost: don't check HOTPLUG feature flag when not necessary 2018-01-03 12:15:30 -05:00
virtio virtio: fix full-virtqueue handling 2018-01-03 14:35:36 -05:00
Makefile virtio: add new library virtio 2017-12-26 13:03:29 -05:00