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ide: add ide_queue_pc_head() helper

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* Move REQ_IDETAPE_* enums to <linux/ide.h>.

* Add ide_queue_pc_head() and convert ide-{floppy,tape}.c to use it
  instead of ide*_queue_pc_head().

* Remove no longer used ide*_queue_pc_head().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-10 22:39:37 +02:00
parent 7bf7420a31
commit 7645c1514c
4 changed files with 38 additions and 55 deletions
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21
drivers/ide/ide-floppy.c
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@@ -212,25 +212,6 @@ static void idefloppy_update_buffers(ide_drive_t *drive,
idefloppy_end_request(drive, 1, 0);
}
/*
* Generate a new packet command request in front of the request queue, before
* the current request so that it will be processed immediately, on the next
* pass through the driver.
*/
static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc,
struct request *rq)
{
struct ide_floppy_obj *floppy = drive->driver_data;
blk_rq_init(NULL, rq);
rq->buffer = (char *) pc;
rq->cmd_type = REQ_TYPE_SPECIAL;
rq->cmd_flags |= REQ_PREEMPT;
rq->rq_disk = floppy->disk;
memcpy(rq->cmd, pc->c, 12);
ide_do_drive_cmd(drive, rq);
}
static void ide_floppy_callback(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
@@ -288,7 +269,7 @@ static void idefloppy_retry_pc(ide_drive_t *drive)
(void)ide_read_error(drive);
idefloppy_create_request_sense_cmd(pc);
idefloppy_queue_pc_head(drive, pc, rq);
ide_queue_pc_head(drive, floppy->disk, pc, rq);
}
/* The usual interrupt handler called during a packet command. */