diff mbox series

[03/23,SRU,OEM-5.14] block: pass a gendisk to blk_queue_update_readahead

Message ID 20220128032610.392273-4-koba.ko@canonical.com
State Accepted
Headers show
Series USB port lost function after unplugging usb drive | expand

Commit Message

Koba Ko Jan. 28, 2022, 3:25 a.m. UTC 
From: Christoph Hellwig <hch@lst.de>

BugLink: https://bugs.launchpad.net/bugs/1958850 

.. and rename the function to disk_update_readahead.  This is in
preparation for moving the BDI from the request_queue to the gendisk.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20210809141744.1203023-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit 471aa704db4904f7af5a50019ca3b5b018c0cf62)
Signed-off-by: Koba Ko <koba.ko@canonical.com>
---
 block/blk-settings.c         | 8 +++++---
 block/blk-sysfs.c            | 2 +-
 drivers/block/drbd/drbd_nl.c | 2 +-
 drivers/md/dm-table.c        | 2 +-
 drivers/nvme/host/core.c     | 2 +-
 include/linux/blkdev.h       | 2 +-
 6 files changed, 10 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 4c7c0c17cb0a3..8ee2682a3e6d4 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -380,8 +380,10 @@  void blk_queue_alignment_offset(struct request_queue *q, unsigned int offset)
 }
 EXPORT_SYMBOL(blk_queue_alignment_offset);
 
-void blk_queue_update_readahead(struct request_queue *q)
+void disk_update_readahead(struct gendisk *disk)
 {
+	struct request_queue *q = disk->queue;
+
 	/*
 	 * For read-ahead of large files to be effective, we need to read ahead
 	 * at least twice the optimal I/O size.
@@ -391,7 +393,7 @@  void blk_queue_update_readahead(struct request_queue *q)
 	q->backing_dev_info->io_pages =
 		queue_max_sectors(q) >> (PAGE_SHIFT - 9);
 }
-EXPORT_SYMBOL_GPL(blk_queue_update_readahead);
+EXPORT_SYMBOL_GPL(disk_update_readahead);
 
 /**
  * blk_limits_io_min - set minimum request size for a device
@@ -671,7 +673,7 @@  void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
 		       top, bottom);
 	}
 
-	blk_queue_update_readahead(disk->queue);
+	disk_update_readahead(disk);
 }
 EXPORT_SYMBOL(disk_stack_limits);
 
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index ccea82de4554b..4f834bf93e20b 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -856,7 +856,7 @@  int blk_register_queue(struct gendisk *disk)
 		  "%s is registering an already registered queue\n",
 		  kobject_name(&dev->kobj));
 
-	blk_queue_update_readahead(q);
+	disk_update_readahead(disk);
 
 	ret = blk_trace_init_sysfs(dev);
 	if (ret)
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index e7d0e637e6321..44ccf8b4f4b29 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1364,7 +1364,7 @@  static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backi
 
 	if (b) {
 		blk_stack_limits(&q->limits, &b->limits, 0);
-		blk_queue_update_readahead(q);
+		disk_update_readahead(device->vdisk);
 	}
 	fixup_discard_if_not_supported(q);
 	fixup_write_zeroes(device, q);
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 0543cdf89e929..b03eabc1ed7cb 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -2076,7 +2076,7 @@  int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
 	}
 
 	dm_update_keyslot_manager(q, t);
-	blk_queue_update_readahead(q);
+	disk_update_readahead(t->md->disk);
 
 	return 0;
 }
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 9b6f78eac9375..3553ba5c93f89 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1892,7 +1892,7 @@  static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_id_ns *id)
 		nvme_update_disk_info(ns->head->disk, ns, id);
 		blk_stack_limits(&ns->head->disk->queue->limits,
 				 &ns->queue->limits, 0);
-		blk_queue_update_readahead(ns->head->disk->queue);
+		disk_update_readahead(ns->head->disk);
 		blk_mq_unfreeze_queue(ns->head->disk->queue);
 	}
 	return 0;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 42ed8ccc40e77..d95fee696627a 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1147,7 +1147,7 @@  void blk_queue_zone_write_granularity(struct request_queue *q,
 				      unsigned int size);
 extern void blk_queue_alignment_offset(struct request_queue *q,
 				       unsigned int alignment);
-void blk_queue_update_readahead(struct request_queue *q);
+void disk_update_readahead(struct gendisk *disk);
 extern void blk_limits_io_min(struct queue_limits *limits, unsigned int min);
 extern void blk_queue_io_min(struct request_queue *q, unsigned int min);
 extern void blk_limits_io_opt(struct queue_limits *limits, unsigned int opt);