blkdev_issue_flush (9)

int blkdev_issue_flush(struct block_device * bdev, gfp_t gfp_mask, sector_t * error_sector);

bdev

blockdev to issue flush for

gfp_mask

memory allocation flags (for bio_alloc)

error_sector

error sector

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.