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 <minwoo.im....@gmail.com> Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulka...@wdc.com> --- 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