Merge tag 'for-5.16/block-2021-10-29' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:

 - mq-deadline accounting improvements (Bart)

 - blk-wbt timer fix (Andrea)

 - Untangle the block layer includes (Christoph)

 - Rework the poll support to be bio based, which will enable adding
   support for polling for bio based drivers (Christoph)

 - Block layer core support for multi-actuator drives (Damien)

 - blk-crypto improvements (Eric)

 - Batched tag allocation support (me)

 - Request completion batching support (me)

 - Plugging improvements (me)

 - Shared tag set improvements (John)

 - Concurrent queue quiesce support (Ming)

 - Cache bdev in ->private_data for block devices (Pavel)

 - bdev dio improvements (Pavel)

 - Block device invalidation and block size improvements (Xie)

 - Various cleanups, fixes, and improvements (Christoph, Jackie,
   Masahira, Tejun, Yu, Pavel, Zheng, me)

* tag 'for-5.16/block-2021-10-29' of git://git.kernel.dk/linux-block: (174 commits)
  blk-mq-debugfs: Show active requests per queue for shared tags
  block: improve readability of blk_mq_end_request_batch()
  virtio-blk: Use blk_validate_block_size() to validate block size
  loop: Use blk_validate_block_size() to validate block size
  nbd: Use blk_validate_block_size() to validate block size
  block: Add a helper to validate the block size
  block: re-flow blk_mq_rq_ctx_init()
  block: prefetch request to be initialized
  block: pass in blk_mq_tags to blk_mq_rq_ctx_init()
  block: add rq_flags to struct blk_mq_alloc_data
  block: add async version of bio_set_polled
  block: kill DIO_MULTI_BIO
  block: kill unused polling bits in __blkdev_direct_IO()
  block: avoid extra iter advance with async iocb
  block: Add independent access ranges support
  blk-mq: don't issue request directly in case that current is to be blocked
  sbitmap: silence data race warning
  blk-cgroup: synchronize blkg creation against policy deactivation
  block: refactor bio_iov_bvec_set()
  block: add single bio async direct IO helper
  ...

6 files changed, 8 insertions, 10 deletions

diff --git a/kernel/acct.c b/kernel/acct.c
index 23a7ab8e6cbc..3df53cf1dcd5 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -60,7 +60,6 @@
 #include <linux/sched/cputime.h>
 
 #include <asm/div64.h>
-#include <linux/blkdev.h> /* sector_div */
 #include <linux/pid_namespace.h>
 #include <linux/fs_pin.h>
 
diff --git a/kernel/exit.c b/kernel/exit.c
index 91a43e57a32e..a53863dafb3d 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -48,7 +48,6 @@
 #include <linux/pipe_fs_i.h>
 #include <linux/audit.h> /* for audit_free() */
 #include <linux/resource.h>
-#include <linux/blkdev.h>
 #include <linux/task_io_accounting_ops.h>
 #include <linux/tracehook.h>
 #include <linux/fs_struct.h>
diff --git a/kernel/fork.c b/kernel/fork.c
index 38681ad44c76..67679e3933f2 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -76,7 +76,6 @@
 #include <linux/taskstats_kern.h>
 #include <linux/random.h>
 #include <linux/tty.h>
-#include <linux/blkdev.h>
 #include <linux/fs_struct.h>
 #include <linux/magic.h>
 #include <linux/perf_event.h>
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index f21714ea3db8..59bea523c84b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -13,7 +13,7 @@
 #include "sched.h"
 
 #include <linux/nospec.h>
-
+#include <linux/blkdev.h>
 #include <linux/kcov.h>
 #include <linux/scs.h>
 
@@ -6343,7 +6343,7 @@ static inline void sched_submit_work(struct task_struct *tsk)
 	 * make sure to submit it to avoid deadlocks.
 	 */
 	if (blk_needs_flush_plug(tsk))
-		blk_schedule_flush_plug(tsk);
+		blk_flush_plug(tsk->plug, true);
 }
 
 static void sched_update_worker(struct task_struct *tsk)
@@ -8354,7 +8354,8 @@ int io_schedule_prepare(void)
 	int old_iowait = current->in_iowait;
 
 	current->in_iowait = 1;
-	blk_schedule_flush_plug(current);
+	if (current->plug)
+		blk_flush_plug(current->plug, true);
 
 	return old_iowait;
 }
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 3d3e5793e117..66128dfc05fb 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -37,7 +37,6 @@
 
 #include <linux/binfmts.h>
 #include <linux/bitops.h>
-#include <linux/blkdev.h>
 #include <linux/compat.h>
 #include <linux/context_tracking.h>
 #include <linux/cpufreq.h>
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index fa91f398f28b..1183c88634aa 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -816,7 +816,7 @@ blk_trace_request_get_cgid(struct request *rq)
  *     Records an action against a request. Will log the bio offset + size.
  *
  **/
-static void blk_add_trace_rq(struct request *rq, int error,
+static void blk_add_trace_rq(struct request *rq, blk_status_t error,
 			     unsigned int nr_bytes, u32 what, u64 cgid)
 {
 	struct blk_trace *bt;
@@ -834,7 +834,8 @@ static void blk_add_trace_rq(struct request *rq, int error,
 		what |= BLK_TC_ACT(BLK_TC_FS);
 
 	__blk_add_trace(bt, blk_rq_trace_sector(rq), nr_bytes, req_op(rq),
-			rq->cmd_flags, what, error, 0, NULL, cgid);
+			rq->cmd_flags, what, blk_status_to_errno(error), 0,
+			NULL, cgid);
 	rcu_read_unlock();
 }
 
@@ -863,7 +864,7 @@ static void blk_add_trace_rq_requeue(void *ignore, struct request *rq)
 }
 
 static void blk_add_trace_rq_complete(void *ignore, struct request *rq,
-			int error, unsigned int nr_bytes)
+			blk_status_t error, unsigned int nr_bytes)
 {
 	blk_add_trace_rq(rq, error, nr_bytes, BLK_TA_COMPLETE,
 			 blk_trace_request_get_cgid(rq));