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ide: add ide_set_media_lock() helper

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* Set IDE_AFLAG_NO_DOORLOCK in idetape_get_mode_sense_result(), check it
  in ide_tape_set_media_lock() and cleanup idetape_create_prevent_cmd().

* Set IDE_AFLAG_NO_DOORLOCK in ide_floppy_create_read_capacity_cmd() and
  check it instead of IDE_AFLAG_CLIK_DRIVE in ide_floppy_set_media_lock().

* Add ide_set_media_lock() helper and convert ide-{floppy,tape}.c to use it.

* Remove no longer used ide*_create_prevent_cmd()/ide*_set_media_lock().

* Update comment in <linux/ide.h> accordingly.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-10 22:39:38 +02:00
parent 0127854d7c
commit 0578042db3
4 changed files with 36 additions and 58 deletions
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6
include/linux/ide.h
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@@ -317,10 +317,10 @@ struct ide_acpi_hwif_link;
enum {
IDE_AFLAG_DRQ_INTERRUPT = (1 << 0),
IDE_AFLAG_MEDIA_CHANGED = (1 << 1),
/* ide-cd */
/* Drive cannot lock the door. */
IDE_AFLAG_NO_DOORLOCK = (1 << 2),
/* ide-cd */
/* Drive cannot eject the disc. */
IDE_AFLAG_NO_EJECT = (1 << 3),
/* Drive is a pre ATAPI 1.2 drive. */
@@ -1142,6 +1142,8 @@ void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
struct request *);
int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *);
int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);
ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry,
void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *),