diff options
| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-12-29 20:27:31 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-12-29 20:27:31 +0100 |
| commit | 6ea52226ca131a99bb619bd56fbeee566ea5a966 (patch) | |
| tree | fdb88ece25f8c89ccdcf7a149d8321d8f4b33c9e | |
| parent | 3c8a2cce47c6813383c9e38134e31f7e5f72e9d8 (diff) | |
ide: use queue lock instead of ide_lock when possible
This is just a preparation for future changes and there should be no
functional changes caused by this patch since ide_lock is currently
also used as queue lock.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| -rw-r--r-- | drivers/ide/ide-cd.c | 14 | ||||
| -rw-r--r-- | drivers/ide/ide-io.c | 19 |
2 files changed, 18 insertions, 15 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index ac607bbde45..692fd4570df 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -424,16 +424,17 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) if (time_after(jiffies, info->write_timeout)) do_end_request = 1; else { + struct request_queue *q = drive->queue; unsigned long flags; /* * take a breather relying on the unplug * timer to kick us again */ - spin_lock_irqsave(&ide_lock, flags); - blk_plug_device(drive->queue); - spin_unlock_irqrestore(&ide_lock, - flags); + spin_lock_irqsave(q->queue_lock, flags); + blk_plug_device(q); + spin_unlock_irqrestore(q->queue_lock, flags); + return 1; } } @@ -502,11 +503,12 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) end_request: if (stat & ATA_ERR) { + struct request_queue *q = drive->queue; unsigned long flags; - spin_lock_irqsave(&ide_lock, flags); + spin_lock_irqsave(q->queue_lock, flags); blkdev_dequeue_request(rq); - spin_unlock_irqrestore(&ide_lock, flags); + spin_unlock_irqrestore(q->queue_lock, flags); hwgroup->rq = NULL; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 4a6576f6146..02059e96e6c 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -247,20 +247,21 @@ EXPORT_SYMBOL_GPL(ide_end_dequeued_request); */ static void ide_complete_pm_request (ide_drive_t *drive, struct request *rq) { + struct request_queue *q = drive->queue; unsigned long flags; #ifdef DEBUG_PM printk("%s: completing PM request, %s\n", drive->name, blk_pm_suspend_request(rq) ? "suspend" : "resume"); #endif - spin_lock_irqsave(&ide_lock, flags); + spin_lock_irqsave(q->queue_lock, flags); if (blk_pm_suspend_request(rq)) { - blk_stop_queue(drive->queue); + blk_stop_queue(q); } else { drive->dev_flags &= ~IDE_DFLAG_BLOCKED; - blk_start_queue(drive->queue); + blk_start_queue(q); } - spin_unlock_irqrestore(&ide_lock, flags); + spin_unlock_irqrestore(q->queue_lock, flags); drive->hwif->hwgroup->rq = NULL; @@ -1469,16 +1470,16 @@ out: void ide_do_drive_cmd(ide_drive_t *drive, struct request *rq) { ide_hwgroup_t *hwgroup = drive->hwif->hwgroup; + struct request_queue *q = drive->queue; unsigned long flags; hwgroup->rq = NULL; - spin_lock_irqsave(&ide_lock, flags); - __elv_add_request(drive->queue, rq, ELEVATOR_INSERT_FRONT, 0); - blk_start_queueing(drive->queue); - spin_unlock_irqrestore(&ide_lock, flags); + spin_lock_irqsave(q->queue_lock, flags); + __elv_add_request(q, rq, ELEVATOR_INSERT_FRONT, 0); + blk_start_queueing(q); + spin_unlock_irqrestore(q->queue_lock, flags); } - EXPORT_SYMBOL(ide_do_drive_cmd); void ide_pktcmd_tf_load(ide_drive_t *drive, u32 tf_flags, u16 bcount, u8 dma) |