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-rw-r--r--drivers/block/ll_rw_blk.c38
1 files changed, 0 insertions, 38 deletions
diff --git a/drivers/block/ll_rw_blk.c b/drivers/block/ll_rw_blk.c
index 483d71b10cf9..baedac522945 100644
--- a/drivers/block/ll_rw_blk.c
+++ b/drivers/block/ll_rw_blk.c
@@ -2373,44 +2373,6 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector)
2373 2373
2374EXPORT_SYMBOL(blkdev_issue_flush); 2374EXPORT_SYMBOL(blkdev_issue_flush);
2375 2375
2376/**
2377 * blkdev_scsi_issue_flush_fn - issue flush for SCSI devices
2378 * @q: device queue
2379 * @disk: gendisk
2380 * @error_sector: error offset
2381 *
2382 * Description:
2383 * Devices understanding the SCSI command set, can use this function as
2384 * a helper for issuing a cache flush. Note: driver is required to store
2385 * the error offset (in case of error flushing) in ->sector of struct
2386 * request.
2387 */
2388int blkdev_scsi_issue_flush_fn(request_queue_t *q, struct gendisk *disk,
2389 sector_t *error_sector)
2390{
2391 struct request *rq = blk_get_request(q, WRITE, __GFP_WAIT);
2392 int ret;
2393
2394 rq->flags |= REQ_BLOCK_PC | REQ_SOFTBARRIER;
2395 rq->sector = 0;
2396 memset(rq->cmd, 0, sizeof(rq->cmd));
2397 rq->cmd[0] = 0x35;
2398 rq->cmd_len = 12;
2399 rq->data = NULL;
2400 rq->data_len = 0;
2401 rq->timeout = 60 * HZ;
2402
2403 ret = blk_execute_rq(q, disk, rq, 0);
2404
2405 if (ret && error_sector)
2406 *error_sector = rq->sector;
2407
2408 blk_put_request(rq);
2409 return ret;
2410}
2411
2412EXPORT_SYMBOL(blkdev_scsi_issue_flush_fn);
2413
2414static void drive_stat_acct(struct request *rq, int nr_sectors, int new_io) 2376static void drive_stat_acct(struct request *rq, int nr_sectors, int new_io)
2415{ 2377{
2416 int rw = rq_data_dir(rq); 2378 int rw = rq_data_dir(rq);