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authorChristoph Hellwig <hch@lst.de>2021-08-09 16:17:41 +0200
committerJens Axboe <axboe@kernel.dk>2021-08-09 19:52:28 +0200
commit471aa704db4904f7af5a50019ca3b5b018c0cf62 (patch)
tree8c89ac66192c233ac3cc7dc27f2865d27cd43ac0 /block/blk-settings.c
parentmm: hide laptop_mode_wb_timer entirely behind the BDI API (diff)
downloadlinux-471aa704db4904f7af5a50019ca3b5b018c0cf62.tar.xz
linux-471aa704db4904f7af5a50019ca3b5b018c0cf62.zip
block: pass a gendisk to blk_queue_update_readahead
.. 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>
Diffstat (limited to 'block/blk-settings.c')
-rw-r--r--block/blk-settings.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 109012719aa0..44aaef9bf736 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
@@ -665,7 +667,7 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
pr_notice("%s: Warning: Device %pg is misaligned\n",
disk->disk_name, bdev);
- blk_queue_update_readahead(disk->queue);
+ disk_update_readahead(disk);
}
EXPORT_SYMBOL(disk_stack_limits);