summaryrefslogtreecommitdiff
path: root/block/elevator.c
diff options
context:
space:
mode:
authorJens Axboe <axboe@kernel.dk>2019-11-07 22:27:19 +0300
committerJens Axboe <axboe@kernel.dk>2019-11-07 22:27:19 +0300
commit912c0a85911a6364ac127b6e1de8c2c7782db1bc (patch)
treef9092380a9688cf422c337802e8c51657851297c /block/elevator.c
parente876df1fe0ad1b191284ee6ed2db7960bd322d00 (diff)
parentb0814361a25cba73a224548843ed92d8ea78715a (diff)
downloadlinux-912c0a85911a6364ac127b6e1de8c2c7782db1bc.tar.xz
Merge branch 'for-linus' into for-5.5/block
Pull on for-linus to resolve what otherwise would have been a conflict with the cgroups rstat patchset from Tejun. * for-linus: (942 commits) blkcg: make blkcg_print_stat() print stats only for online blkgs nvme: change nvme_passthru_cmd64 to explicitly mark rsvd nvme-multipath: fix crash in nvme_mpath_clear_ctrl_paths nvme-rdma: fix a segmentation fault during module unload iocost: don't nest spin_lock_irq in ioc_weight_write() io_uring: ensure we clear io_kiocb->result before each issue um-ubd: Entrust re-queue to the upper layers nvme-multipath: remove unused groups_only mode in ana log nvme-multipath: fix possible io hang after ctrl reconnect io_uring: don't touch ctx in setup after ring fd install io_uring: Fix leaked shadow_req Linux 5.4-rc5 riscv: cleanup do_trap_break nbd: verify socket is supported during setup ata: libahci_platform: Fix regulator_get_optional() misuse nbd: handle racing with error'ed out commands nbd: protect cmd->status with cmd->lock io_uring: fix bad inflight accounting for SETUP_IOPOLL|SETUP_SQTHREAD io_uring: used cached copies of sq->dropped and cq->overflow ARM: dts: stm32: relax qspi pins slew-rate for stm32mp157 ...
Diffstat (limited to 'block/elevator.c')
-rw-r--r--block/elevator.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 0b1db9afb586..4eab3d70e880 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -616,7 +616,8 @@ out:
static inline bool elv_support_iosched(struct request_queue *q)
{
- if (q->tag_set && (q->tag_set->flags & BLK_MQ_F_NO_SCHED))
+ if (!q->mq_ops ||
+ (q->tag_set && (q->tag_set->flags & BLK_MQ_F_NO_SCHED)))
return false;
return true;
}