diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-07-20 08:12:50 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-07-20 15:38:52 -0600 |
| commit | 9efa82ef2b15d1757dd6cc518988a4506554e893 (patch) | |
| tree | 923cbf50acc917a35fc6205c581e5dc364eb2936 /block | |
| parent | block: inherit the zoned characteristics in blk_stack_limits (diff) | |
| download | linux-dev-9efa82ef2b15d1757dd6cc518988a4506554e893.tar.xz linux-dev-9efa82ef2b15d1757dd6cc518988a4506554e893.zip | |
block: remove bdev_stack_limits
This function is just a tiny wrapper around blk_stack_limit and has
two callers. Simplify the stack a bit by open coding it in the two
callers.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-settings.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c index 9cddbd736474..8c63af772685 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -615,28 +615,6 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, EXPORT_SYMBOL(blk_stack_limits); /** - * bdev_stack_limits - adjust queue limits for stacked drivers - * @t: the stacking driver limits (top device) - * @bdev: the component block_device (bottom) - * @start: first data sector within component device - * - * Description: - * Merges queue limits for a top device and a block_device. Returns - * 0 if alignment didn't change. Returns -1 if adding the bottom - * device caused misalignment. - */ -int bdev_stack_limits(struct queue_limits *t, struct block_device *bdev, - sector_t start) -{ - struct request_queue *bq = bdev_get_queue(bdev); - - start += get_start_sect(bdev); - - return blk_stack_limits(t, &bq->limits, start); -} -EXPORT_SYMBOL(bdev_stack_limits); - -/** * disk_stack_limits - adjust queue limits for stacked drivers * @disk: MD/DM gendisk (top) * @bdev: the underlying block device (bottom) @@ -651,7 +629,8 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev, { struct request_queue *t = disk->queue; - if (bdev_stack_limits(&t->limits, bdev, offset >> 9) < 0) { + if (blk_stack_limits(&t->limits, &bdev_get_queue(bdev)->limits, + get_start_sect(bdev) + (offset >> 9)) < 0) { char top[BDEVNAME_SIZE], bottom[BDEVNAME_SIZE]; disk_name(disk, 0, top); |