ide: switch idedisk_prepare_flush() to use REQ_TYPE_ATA_TASKFILE requests

Based on the earlier work by Tejun Heo.

There should be no functionality changes caused by this patch.

Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 9 insertions, 7 deletions

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index fc785e760bd8..ffff96e6ab3e 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -601,19 +601,21 @@ static ide_proc_entry_t idedisk_proc[] = {
 static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
 {
         ide_drive_t *drive = q->queuedata;
+        ide_task_t task;
 
-        memset(rq->cmd, 0, sizeof(rq->cmd));
-
+        memset(&task, 0, sizeof(task));
         if (ide_id_has_flush_cache_ext(drive->id) &&
             (drive->capacity64 >= (1UL << 28)))
-                rq->cmd[0] = WIN_FLUSH_CACHE_EXT;
+                task.tf.command = WIN_FLUSH_CACHE_EXT;
         else
-                rq->cmd[0] = WIN_FLUSH_CACHE;
-
+                task.tf.command = WIN_FLUSH_CACHE;
+        task.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
+        task.command_type = IDE_DRIVE_TASK_NO_DATA;
+        task.handler = task_no_data_intr;
 
-        rq->cmd_type = REQ_TYPE_ATA_TASK;
+        rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
         rq->cmd_flags |= REQ_SOFTBARRIER;
-        rq->buffer = rq->cmd;
+        rq->special = &task;
 }
 
 /*