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block: add a bdev_nonrot helper

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Add a helper to check the nonrot flag based on the block_device instead
of having to poke into the block layer internal request_queue.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: David Sterba <dsterba@suse.com> [btrfs]
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220415045258.199825-12-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2022-04-15 06:52:42 +02:00
committed by Jens Axboe
parent 9964e67455
commit 10f0d2a517
13 changed files with 19 additions and 18 deletions
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5
include/linux/blkdev.h
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@@ -1326,6 +1326,11 @@ static inline unsigned int bdev_write_zeroes_sectors(struct block_device *bdev)
return 0;
}
static inline bool bdev_nonrot(struct block_device *bdev)
{
return blk_queue_nonrot(bdev_get_queue(bdev));
}
static inline enum blk_zoned_model bdev_zoned_model(struct block_device *bdev)
{
struct request_queue *q = bdev_get_queue(bdev);