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block: Define bdev_nr_zones() as an inline function

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There is no need for bdev_nr_zones() to be an exported function
calculating the number of zones of a block device. Instead, given that
all callers use this helper with a fully initialized block device that
has a gendisk, we can redefine this function as an inline helper in
blkdev.h.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20240621031506.759397-3-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Damien Le Moal
2024-06-21 12:15:05 +09:00
committed by Jens Axboe
parent 4ac9056e4b
commit b6cfe2287d
2 changed files with 5 additions and 19 deletions
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6
include/linux/blkdev.h
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@@ -673,7 +673,6 @@ static inline bool blk_queue_is_zoned(struct request_queue *q)
}
#ifdef CONFIG_BLK_DEV_ZONED
unsigned int bdev_nr_zones(struct block_device *bdev);
static inline unsigned int disk_nr_zones(struct gendisk *disk)
{
@@ -687,6 +686,11 @@ static inline unsigned int disk_zone_no(struct gendisk *disk, sector_t sector)
return sector >> ilog2(disk->queue->limits.chunk_sectors);
}
static inline unsigned int bdev_nr_zones(struct block_device *bdev)
{
return disk_nr_zones(bdev->bd_disk);
}
static inline unsigned int bdev_max_open_zones(struct block_device *bdev)
{
return bdev->bd_disk->queue->limits.max_open_zones;