diff options
| -rw-r--r-- | block/bdev.c | 7 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/block/bdev.c b/block/bdev.c index 13de871fa816..8b549b071bd6 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -200,6 +200,13 @@ int sync_blockdev(struct block_device *bdev) } EXPORT_SYMBOL(sync_blockdev); +int sync_blockdev_range(struct block_device *bdev, loff_t lstart, loff_t lend) +{ + return filemap_write_and_wait_range(bdev->bd_inode->i_mapping, + lstart, lend); +} +EXPORT_SYMBOL(sync_blockdev_range); + /* * Write out and wait upon all dirty data associated with this * device. Filesystem data as well as the underlying block diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 60d016138997..331cc6918ee9 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1547,6 +1547,7 @@ int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart, #ifdef CONFIG_BLOCK void invalidate_bdev(struct block_device *bdev); int sync_blockdev(struct block_device *bdev); +int sync_blockdev_range(struct block_device *bdev, loff_t lstart, loff_t lend); int sync_blockdev_nowait(struct block_device *bdev); void sync_bdevs(bool wait); void printk_all_partitions(void); |