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block: remove the unused blk_queue_dma_pad function

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Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2019-04-30 13:56:16 -04:00 committed by Jens Axboe
parent 3dcf60bcb6
commit 12adb7a013
2 changed files with 0 additions and 17 deletions
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16
block/blk-settings.c
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@ -663,22 +663,6 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
} }
EXPORT_SYMBOL(disk_stack_limits); EXPORT_SYMBOL(disk_stack_limits);
/**
* blk_queue_dma_pad - set pad mask
* @q: the request queue for the device
* @mask: pad mask
*
* Set dma pad mask.
*
* Appending pad buffer to a request modifies the last entry of a
* scatter list such that it includes the pad buffer.
**/
void blk_queue_dma_pad(struct request_queue *q, unsigned int mask)
{
q->dma_pad_mask = mask;
}
EXPORT_SYMBOL(blk_queue_dma_pad);
/** /**
* blk_queue_update_dma_pad - update pad mask * blk_queue_update_dma_pad - update pad mask
* @q: the request queue for the device * @q: the request queue for the device

1
include/linux/blkdev.h
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@ -1069,7 +1069,6 @@ extern int bdev_stack_limits(struct queue_limits *t, struct block_device *bdev,
extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev, extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
sector_t offset); sector_t offset);
extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b); extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b);
extern void blk_queue_dma_pad(struct request_queue *, unsigned int);
extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int); extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int);
extern int blk_queue_dma_drain(struct request_queue *q, extern int blk_queue_dma_drain(struct request_queue *q,
dma_drain_needed_fn *dma_drain_needed, dma_drain_needed_fn *dma_drain_needed,