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block: add bdev_max_segments() helper

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[ Upstream commit 65ea1b66482f415d51cd46515b02477257330339 ]

Add bdev_max_segments() like other queue parameters.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Naohiro Aota 2022-07-09 08:18:38 +09:00 committed by Greg Kroah-Hartman
parent 3e36602ada
commit bf764bdc37
1 changed files with 5 additions and 0 deletions
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5
include/linux/blkdev.h
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@ -1206,6 +1206,11 @@ bdev_max_zone_append_sectors(struct block_device *bdev)
return queue_max_zone_append_sectors(bdev_get_queue(bdev));
}
static inline unsigned int bdev_max_segments(struct block_device *bdev)
{
return queue_max_segments(bdev_get_queue(bdev));
}
static inline unsigned queue_logical_block_size(const struct request_queue *q)
{
int retval = 512;