diff options
author | Christoph Hellwig <hch@lst.de> | 2021-09-20 14:33:23 +0200 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 06:17:01 -0600 |
commit | 2e9bc3465ac54d282b855b073409c2c3a7d1ae00 (patch) | |
tree | 8fecd1de7699d3f7651adf634ffa60efd821f2ad | |
parent | 9778ac77c2027827ffdbb33d3e936b3a0ae9f0f9 (diff) | |
download | linux-2e9bc3465ac54d282b855b073409c2c3a7d1ae00.tar.bz2 |
block: move elevator.h to block/
Except for the features passed to blk_queue_required_elevator_features,
elevator.h is only needed internally to the block layer. Move the
ELEVATOR_F_* definitions to blkdev.h, and the move elevator.h to
block/, dropping all the spurious includes outside of that.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20210920123328.1399408-13-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r-- | block/bfq-cgroup.c | 2 | ||||
-rw-r--r-- | block/bfq-iosched.c | 2 | ||||
-rw-r--r-- | block/blk-mq-sched.h | 1 | ||||
-rw-r--r-- | block/blk-mq-tag.h | 2 | ||||
-rw-r--r-- | block/blk.h | 2 | ||||
-rw-r--r-- | block/elevator.c | 2 | ||||
-rw-r--r-- | block/elevator.h (renamed from include/linux/elevator.h) | 20 | ||||
-rw-r--r-- | block/kyber-iosched.c | 2 | ||||
-rw-r--r-- | block/mq-deadline.c | 2 | ||||
-rw-r--r-- | drivers/block/amiflop.c | 1 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 1 | ||||
-rw-r--r-- | include/linux/blkdev.h | 11 | ||||
-rw-r--r-- | init/main.c | 1 |
13 files changed, 23 insertions, 26 deletions
diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c index 85b8e1c3a762..882ec4bc51ad 100644 --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -6,13 +6,13 @@ #include <linux/slab.h> #include <linux/blkdev.h> #include <linux/cgroup.h> -#include <linux/elevator.h> #include <linux/ktime.h> #include <linux/rbtree.h> #include <linux/ioprio.h> #include <linux/sbitmap.h> #include <linux/delay.h> +#include "elevator.h" #include "bfq-iosched.h" #ifdef CONFIG_BFQ_CGROUP_DEBUG diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 480e1a134859..b5ef23f63d51 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -117,7 +117,6 @@ #include <linux/slab.h> #include <linux/blkdev.h> #include <linux/cgroup.h> -#include <linux/elevator.h> #include <linux/ktime.h> #include <linux/rbtree.h> #include <linux/ioprio.h> @@ -127,6 +126,7 @@ #include <trace/events/block.h> +#include "elevator.h" #include "blk.h" #include "blk-mq.h" #include "blk-mq-tag.h" diff --git a/block/blk-mq-sched.h b/block/blk-mq-sched.h index 5246ae040704..5181487db792 100644 --- a/block/blk-mq-sched.h +++ b/block/blk-mq-sched.h @@ -2,6 +2,7 @@ #ifndef BLK_MQ_SCHED_H #define BLK_MQ_SCHED_H +#include "elevator.h" #include "blk-mq.h" #include "blk-mq-tag.h" diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h index 8ed55af08427..f0a0ee758a55 100644 --- a/block/blk-mq-tag.h +++ b/block/blk-mq-tag.h @@ -2,6 +2,8 @@ #ifndef INT_BLK_MQ_TAG_H #define INT_BLK_MQ_TAG_H +struct blk_mq_alloc_data; + /* * Tag address space map. */ diff --git a/block/blk.h b/block/blk.h index 6c3c00a8fe19..f24569980905 100644 --- a/block/blk.h +++ b/block/blk.h @@ -12,6 +12,8 @@ #include "blk-mq.h" #include "blk-mq-sched.h" +struct elevator_type; + /* Max future timer expiry for timeouts */ #define BLK_MAX_TIMEOUT (5 * HZ) diff --git a/block/elevator.c b/block/elevator.c index ff45d8388f48..57be09cd7f6d 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -26,7 +26,6 @@ #include <linux/kernel.h> #include <linux/fs.h> #include <linux/blkdev.h> -#include <linux/elevator.h> #include <linux/bio.h> #include <linux/module.h> #include <linux/slab.h> @@ -40,6 +39,7 @@ #include <trace/events/block.h> +#include "elevator.h" #include "blk.h" #include "blk-mq-sched.h" #include "blk-pm.h" diff --git a/include/linux/elevator.h b/block/elevator.h index 80633f3b600c..16cd8bdedb7e 100644 --- a/include/linux/elevator.h +++ b/block/elevator.h @@ -1,17 +1,13 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_ELEVATOR_H -#define _LINUX_ELEVATOR_H +#ifndef _ELEVATOR_H +#define _ELEVATOR_H #include <linux/percpu.h> #include <linux/hashtable.h> -#ifdef CONFIG_BLOCK - struct io_cq; struct elevator_type; -#ifdef CONFIG_BLK_DEBUG_FS struct blk_mq_debugfs_attr; -#endif /* * Return values from elevator merger @@ -167,14 +163,4 @@ extern struct request *elv_rb_find(struct rb_root *, sector_t); #define rq_entry_fifo(ptr) list_entry((ptr), struct request, queuelist) #define rq_fifo_clear(rq) list_del_init(&(rq)->queuelist) -/* - * Elevator features. - */ - -/* Supports zoned block devices sequential write constraint */ -#define ELEVATOR_F_ZBD_SEQ_WRITE (1U << 0) -/* Supports scheduling on multiple hardware queues */ -#define ELEVATOR_F_MQ_AWARE (1U << 1) - -#endif /* CONFIG_BLOCK */ -#endif +#endif /* _ELEVATOR_H */ diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c index a0ffbabfac2c..53dafc4bcd72 100644 --- a/block/kyber-iosched.c +++ b/block/kyber-iosched.c @@ -9,12 +9,12 @@ #include <linux/kernel.h> #include <linux/blkdev.h> #include <linux/blk-mq.h> -#include <linux/elevator.h> #include <linux/module.h> #include <linux/sbitmap.h> #include <trace/events/block.h> +#include "elevator.h" #include "blk.h" #include "blk-mq.h" #include "blk-mq-debugfs.h" diff --git a/block/mq-deadline.c b/block/mq-deadline.c index 7f3c3932b723..47f042fa6a68 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -9,7 +9,6 @@ #include <linux/fs.h> #include <linux/blkdev.h> #include <linux/blk-mq.h> -#include <linux/elevator.h> #include <linux/bio.h> #include <linux/module.h> #include <linux/slab.h> @@ -20,6 +19,7 @@ #include <trace/events/block.h> +#include "elevator.h" #include "blk.h" #include "blk-mq.h" #include "blk-mq-debugfs.h" diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c index 8b1714021498..b892e5185d6f 100644 --- a/drivers/block/amiflop.c +++ b/drivers/block/amiflop.c @@ -64,7 +64,6 @@ #include <linux/mutex.h> #include <linux/fs.h> #include <linux/blk-mq.h> -#include <linux/elevator.h> #include <linux/interrupt.h> #include <linux/platform_device.h> diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index befeb7c34290..337e6ed24821 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -22,6 +22,7 @@ *******************************************************************/ #include <scsi/scsi_host.h> +#include <linux/hashtable.h> #include <linux/ktime.h> #include <linux/workqueue.h> diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 4bcbb1ae2d66..d815238f61ed 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -251,8 +251,6 @@ static inline unsigned short req_get_ioprio(struct request *req) return req->ioprio; } -#include <linux/elevator.h> - struct bio_vec; enum blk_eh_timer_return { @@ -1124,6 +1122,15 @@ extern void blk_queue_dma_alignment(struct request_queue *, int); extern void blk_queue_update_dma_alignment(struct request_queue *, int); extern void blk_queue_rq_timeout(struct request_queue *, unsigned int); extern void blk_queue_write_cache(struct request_queue *q, bool enabled, bool fua); + +/* + * Elevator features for blk_queue_required_elevator_features: + */ +/* Supports zoned block devices sequential write constraint */ +#define ELEVATOR_F_ZBD_SEQ_WRITE (1U << 0) +/* Supports scheduling on multiple hardware queues */ +#define ELEVATOR_F_MQ_AWARE (1U << 1) + extern void blk_queue_required_elevator_features(struct request_queue *q, unsigned int features); extern bool blk_queue_can_use_dma_map_merging(struct request_queue *q, diff --git a/init/main.c b/init/main.c index 3c4054a95545..4162d7f3179f 100644 --- a/init/main.c +++ b/init/main.c @@ -83,7 +83,6 @@ #include <linux/ptrace.h> #include <linux/pti.h> #include <linux/blkdev.h> -#include <linux/elevator.h> #include <linux/sched/clock.h> #include <linux/sched/task.h> #include <linux/sched/task_stack.h> |