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ide: ide_id_has_flush_cache() -> ata_id_flush_enabled()

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* Add ata_id_flush_enabled() inline helper to <linux/ata.h>.

* ide_id_has_flush_cache() -> ata_id_flush_enabled()

  The latter one also checks if the command is marked as
  supported in word 83 and validity of words 83 & 86.

Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-10 22:39:30 +02:00
parent 1a4e4d4d2c
commit 4b58f17d7c
4 changed files with 13 additions and 7 deletions
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2
drivers/ide/ide-io.c
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@ -184,7 +184,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
if (drive->media != ide_disk)
break;
/* Not supported? Switch to next step now. */
if (!drive->wcache || !ide_id_has_flush_cache(drive->id)) {
if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0) {
ide_complete_power_step(drive, rq, 0, 0);
return ide_stopped;
}