diff options
| author | Jarod Wilson <[email protected]> | 2015-05-06 12:26:22 +0800 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2015-05-20 09:05:42 -0600 |
| commit | be32417796c2b8a83fe4cbece83bea96ab9e378f (patch) | |
| tree | 41f52269686b58d2be1190ffbf72b0816993495a /include | |
| parent | 343df3c79c62b644ce6ff5dff96c9e0be1ecb242 (diff) | |
block: export blkdev_reread_part() and __blkdev_reread_part()
This patch exports blkdev_reread_part() for block drivers, also
introduce __blkdev_reread_part().
For some drivers, such as loop, reread of partitions can be run
from the release path, and bd_mutex may already be held prior to
calling ioctl_by_bdev(bdev, BLKRRPART, 0), so introduce
__blkdev_reread_part for use in such cases.
CC: Christoph Hellwig <[email protected]>
CC: Jens Axboe <[email protected]>
CC: Tejun Heo <[email protected]>
CC: Alexander Viro <[email protected]>
CC: Markus Pargmann <[email protected]>
CC: Stefan Weinhuber <[email protected]>
CC: Stefan Haberland <[email protected]>
CC: Sebastian Ott <[email protected]>
CC: Fabian Frederick <[email protected]>
CC: Ming Lei <[email protected]>
CC: David Herrmann <[email protected]>
CC: Andrew Morton <[email protected]>
CC: Peter Zijlstra <[email protected]>
CC: [email protected]
CC: [email protected]
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jarod Wilson <[email protected]>
Signed-off-by: Ming Lei <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 35ec87e490b1..1ef63900243c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2279,6 +2279,9 @@ extern struct block_device *blkdev_get_by_path(const char *path, fmode_t mode, extern struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder); extern void blkdev_put(struct block_device *bdev, fmode_t mode); +extern int __blkdev_reread_part(struct block_device *bdev); +extern int blkdev_reread_part(struct block_device *bdev); + #ifdef CONFIG_SYSFS extern int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk); extern void bd_unlink_disk_holder(struct block_device *bdev, |