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authorChristoph Hellwig <hch@lst.de>2019-12-03 12:39:04 +0300
committerJens Axboe <axboe@kernel.dk>2019-12-03 18:51:24 +0300
commit9b38bb4b1e6de47b379afaad2c707df639bb4dc7 (patch)
tree1bae3a4c0a4ddeccd901f976744fcc9840e067e6 /include/linux
parentbb55628288fcd96d919a9ecc59dd26704a65493b (diff)
downloadlinux-9b38bb4b1e6de47b379afaad2c707df639bb4dc7.tar.xz
block: simplify blkdev_nr_zones
Simplify the arguments to blkdev_nr_zones by passing a gendisk instead of the block_device and capacity. This also removes the need for __blkdev_nr_zones as all callers are outside the fast path and can deal with the additional branch. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/blkdev.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 6012e2592628..c5852de402b6 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -357,8 +357,7 @@ typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx,
#define BLK_ALL_ZONES ((unsigned int)-1)
int blkdev_report_zones(struct block_device *bdev, sector_t sector,
unsigned int nr_zones, report_zones_cb cb, void *data);
-
-extern unsigned int blkdev_nr_zones(struct block_device *bdev);
+unsigned int blkdev_nr_zones(struct gendisk *disk);
extern int blkdev_zone_mgmt(struct block_device *bdev, enum req_opf op,
sector_t sectors, sector_t nr_sectors,
gfp_t gfp_mask);
@@ -371,7 +370,7 @@ extern int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode,
#else /* CONFIG_BLK_DEV_ZONED */
-static inline unsigned int blkdev_nr_zones(struct block_device *bdev)
+static inline unsigned int blkdev_nr_zones(struct gendisk *disk)
{
return 0;
}