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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
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')
-rw-r--r--kernel/exit.c2
-rw-r--r--kernel/power/hibernate.c1
-rw-r--r--kernel/power/swap.c6
-rw-r--r--kernel/sched/core.c7
4 files changed, 5 insertions, 11 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index c303cffe7fdb..192b90a9ce16 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -735,7 +735,7 @@ void __noreturn do_exit(long code)
struct task_struct *tsk = current;
int group_dead;
- WARN_ON(blk_needs_flush_plug(tsk));
+ WARN_ON(tsk->plug);
/*
* If do_dead is called because this processes oopsed, it's possible
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 0ac805b753e5..938d5c78b421 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -28,7 +28,6 @@
#include <linux/gfp.h>
#include <linux/syscore_ops.h>
#include <linux/ctype.h>
-#include <linux/genhd.h>
#include <linux/ktime.h>
#include <linux/security.h>
#include <linux/secretmem.h>
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index c51f5507b34f..91fffdd2c7fb 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -16,7 +16,6 @@
#include <linux/file.h>
#include <linux/delay.h>
#include <linux/bitops.h>
-#include <linux/genhd.h>
#include <linux/device.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
@@ -277,10 +276,9 @@ static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr,
struct bio *bio;
int error = 0;
- bio = bio_alloc(GFP_NOIO | __GFP_HIGH, 1);
+ bio = bio_alloc(hib_resume_bdev, 1, op | op_flags,
+ GFP_NOIO | __GFP_HIGH);
bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9);
- bio_set_dev(bio, hib_resume_bdev);
- bio_set_op_attrs(bio, op, op_flags);
if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
pr_err("Adding page to bio failed at %llu\n",
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;
}