BLKDEV_ISSUE_FLUSH(9) Block Devices BLKDEV_ISSUE_FLUSH(9)NAMEblkdev_issue_flush - queue a flush
int blkdev_issue_flush(struct block_device * bdev, gfp_t gfp_mask,
sector_t * error_sector);
blockdev to issue flush for
memory allocation flags (for bio_alloc)
Issue a flush for the block device in question. Caller can supply room
for storing the error offset in case of a flush error, if they wish to.
If WAIT flag is not passed then caller may check only what request was
pushed in some internal queue for later handling.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 BLKDEV_ISSUE_FLUSH(9)