ide: remove ide_wait/head_wait path in ide_do_drive_cmd

Now all the users of ide_do_drive_cmd using ide_wait/head_wait are
converted to use blk_execute_rq this removes the ide_wait/head_wait
path in ide_do_drive_cmd.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Borislav Petkov <petkovbb@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 3 insertions, 24 deletions

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 1eb3f5cce556..29f5cc863f6e 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1584,23 +1584,11 @@ int ide_do_drive_cmd (ide_drive_t *drive, struct request *rq, ide_action_t actio
 {
         unsigned long flags;
         ide_hwgroup_t *hwgroup = HWGROUP(drive);
-        DECLARE_COMPLETION_ONSTACK(wait);
-        int where = ELEVATOR_INSERT_BACK, err;
-        int must_wait = (action == ide_wait || action == ide_head_wait);
+        int where = ELEVATOR_INSERT_BACK;
 
         rq->errors = 0;
 
-        /*
-         * we need to hold an extra reference to request for safe inspection
-         * after completion
-         */
-        if (must_wait) {
-                rq->ref_count++;
-                rq->end_io_data = &wait;
-                rq->end_io = blk_end_sync_rq;
-        }
-
-        if (action == ide_preempt || action == ide_head_wait)
+        if (action == ide_preempt)
                 where = ELEVATOR_INSERT_FRONT;
 
         spin_lock_irqsave(&ide_lock, flags);
@@ -1613,16 +1601,7 @@ int ide_do_drive_cmd (ide_drive_t *drive, struct request *rq, ide_action_t actio
                 do_ide_request(drive->queue);
         spin_unlock_irqrestore(&ide_lock, flags);
 
-        err = 0;
-        if (must_wait) {
-                wait_for_completion(&wait);
-                if (rq->errors)
-                        err = -EIO;
-
-                blk_put_request(rq);
-        }
-
-        return err;
+        return 0;
 }
 
 EXPORT_SYMBOL(ide_do_drive_cmd);