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| author | Christoph Hellwig <hch@lst.de> | 2021-08-09 16:17:41 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-08-09 11:52:28 -0600 |
| commit | 471aa704db4904f7af5a50019ca3b5b018c0cf62 (patch) | |
| tree | 8c89ac66192c233ac3cc7dc27f2865d27cd43ac0 /block/blk-settings.c | |
| parent | 5ed964f8e54eb3191b8b7b45aeb52672a0c995dc (diff) | |
| download | lwn-471aa704db4904f7af5a50019ca3b5b018c0cf62.tar.gz lwn-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.c | 8 |
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); |