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authorChristoph Hellwig <hch@lst.de>2020-07-20 08:12:50 +0200
committerJens Axboe <axboe@kernel.dk>2020-07-20 15:38:52 -0600
commit9efa82ef2b15d1757dd6cc518988a4506554e893 (patch)
tree923cbf50acc917a35fc6205c581e5dc364eb2936 /block
parent3093a479727be194996dbc40f803711af5877be4 (diff)
downloadlinux-9efa82ef2b15d1757dd6cc518988a4506554e893.tar.bz2
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.c25
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);