[PATCH V5 1/9] block: add a helper function to read nr_setcs
From: Chaitanya Kulkarni <hidden>
Date: 2019-08-21 06:14:36
Also in:
linux-block, linux-scsi, xen-devel
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
This patch introduces helper function to read the number of sectors from struct block_device->bd_part member. For more details Please refer to the comment in the include/linux/genhd.h for part_nr_sects_read(). Reviewed-by: Minwoo Im <redacted> Reviewed-by: Martin K. Petersen <redacted> Signed-off-by: Chaitanya Kulkarni <redacted> --- include/linux/blkdev.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 4798bb25f1ee..aa5801c8ff73 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h@@ -1468,6 +1468,11 @@ static inline void put_dev_sector(Sector p) put_page(p.v); } +static inline sector_t bdev_nr_sects(struct block_device *bdev) +{ + return part_nr_sects_read(bdev->bd_part); +} + int kblockd_schedule_work(struct work_struct *work); int kblockd_schedule_work_on(int cpu, struct work_struct *work); int kblockd_mod_delayed_work_on(int cpu, struct delayed_work *dwork, unsigned long delay);
--
2.17.0
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