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authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-21 16:48:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-21 16:48:55 -0700
commit616355cc818c6ddadc393fdfd4491f94458cb715 (patch)
treea96907b179ccbeb84cd1df5515cd10c90eb5bd59 /kernel/sched
parentb080cee72ef355669cbc52ff55dc513d37433600 (diff)
parent8f9e7b65f833cb9a4b2e2f54a049d74df394d906 (diff)
Merge tag 'for-5.18/block-2022-03-18' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe: - BFQ cleanups and fixes (Yu, Zhang, Yahu, Paolo) - blk-rq-qos completion fix (Tejun) - blk-cgroup merge fix (Tejun) - Add offline error return value to distinguish it from an IO error on the device (Song) - IO stats fixes (Zhang, Christoph) - blkcg refcount fixes (Ming, Yu) - Fix for indefinite dispatch loop softlockup (Shin'ichiro) - blk-mq hardware queue management improvements (Ming) - sbitmap dead code removal (Ming, John) - Plugging merge improvements (me) - Show blk-crypto capabilities in sysfs (Eric) - Multiple delayed queue run improvement (David) - Block throttling fixes (Ming) - Start deprecating auto module loading based on dev_t (Christoph) - bio allocation improvements (Christoph, Chaitanya) - Get rid of bio_devname (Christoph) - bio clone improvements (Christoph) - Block plugging improvements (Christoph) - Get rid of genhd.h header (Christoph) - Ensure drivers use appropriate flush helpers (Christoph) - Refcounting improvements (Christoph) - Queue initialization and teardown improvements (Ming, Christoph) - Misc fixes/improvements (Barry, Chaitanya, Colin, Dan, Jiapeng, Lukas, Nian, Yang, Eric, Chengming) * tag 'for-5.18/block-2022-03-18' of git://git.kernel.dk/linux-block: (127 commits) block: cancel all throttled bios in del_gendisk() block: let blkcg_gq grab request queue's refcnt block: avoid use-after-free on throttle data block: limit request dispatch loop duration block/bfq-iosched: Fix spelling mistake "tenative" -> "tentative" sr: simplify the local variable initialization in sr_block_open() block: don't merge across cgroup boundaries if blkcg is enabled block: fix rq-qos breakage from skipping rq_qos_done_bio() block: flush plug based on hardware and software queue order block: ensure plug merging checks the correct queue at least once block: move rq_qos_exit() into disk_release() block: do more work in elevator_exit block: move blk_exit_queue into disk_release block: move q_usage_counter release into blk_queue_release block: don't remove hctx debugfs dir from blk_mq_exit_queue block: move blkcg initialization/destroy into disk allocation/release handler sr: implement ->free_disk to simplify refcounting sd: implement ->free_disk to simplify refcounting sd: delay calling free_opal_dev sd: call sd_zbc_release_disk before releasing the scsi_device reference ...
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/core.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 9745613d531c..6c56ee848e2a 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6353,8 +6353,7 @@ static inline void sched_submit_work(struct task_struct *tsk)
* If we are going to sleep and we have plugged IO queued,
* make sure to submit it to avoid deadlocks.
*/
- if (blk_needs_flush_plug(tsk))
- blk_flush_plug(tsk->plug, true);
+ blk_flush_plug(tsk->plug, true);
}
static void sched_update_worker(struct task_struct *tsk)
@@ -8380,9 +8379,7 @@ int io_schedule_prepare(void)
int old_iowait = current->in_iowait;
current->in_iowait = 1;
- if (current->plug)
- blk_flush_plug(current->plug, true);
-
+ blk_flush_plug(current->plug, true);
return old_iowait;
}