]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
ide: push ide_lock to __ide_end_request()
authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Mon, 29 Dec 2008 19:27:30 +0000 (20:27 +0100)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Mon, 29 Dec 2008 19:27:30 +0000 (20:27 +0100)
__ide_end_request() needs ide_lock only for __blk_end_request()
call so push ide_lock taking inside __ide_end_requests().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
drivers/ide/ide-io.c

index 8afe7b15decfd9fb054fe3ccba7ebdd80557cf5d..7091635360156f6718b3298e5e14498cd08c86b4 100644 (file)
@@ -58,6 +58,7 @@
 static int __ide_end_request(ide_drive_t *drive, struct request *rq,
                             int uptodate, unsigned int nr_bytes, int dequeue)
 {
+       unsigned long flags;
        int ret = 1;
        int error = 0;
 
@@ -84,11 +85,13 @@ static int __ide_end_request(ide_drive_t *drive, struct request *rq,
                ide_dma_on(drive);
        }
 
-       if (!__blk_end_request(rq, error, nr_bytes)) {
-               if (dequeue)
-                       HWGROUP(drive)->rq = NULL;
+       spin_lock_irqsave(&ide_lock, flags);
+       if (!__blk_end_request(rq, error, nr_bytes))
                ret = 0;
-       }
+       spin_unlock_irqrestore(&ide_lock, flags);
+
+       if (ret == 0 && dequeue)
+               drive->hwif->hwgroup->rq = NULL;
 
        return ret;
 }
@@ -108,8 +111,6 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors)
 {
        unsigned int nr_bytes = nr_sectors << 9;
        struct request *rq = drive->hwif->hwgroup->rq;
-       unsigned long flags;
-       int ret = 1;
 
        if (!nr_bytes) {
                if (blk_pc_request(rq))
@@ -118,11 +119,7 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors)
                        nr_bytes = rq->hard_cur_sectors << 9;
        }
 
-       spin_lock_irqsave(&ide_lock, flags);
-       ret = __ide_end_request(drive, rq, uptodate, nr_bytes, 1);
-       spin_unlock_irqrestore(&ide_lock, flags);
-
-       return ret;
+       return __ide_end_request(drive, rq, uptodate, nr_bytes, 1);
 }
 EXPORT_SYMBOL(ide_end_request);
 
@@ -236,16 +233,9 @@ out_do_tf:
 int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
                             int uptodate, int nr_sectors)
 {
-       unsigned long flags;
-       int ret;
-
        BUG_ON(!blk_rq_started(rq));
 
-       spin_lock_irqsave(&ide_lock, flags);
-       ret = __ide_end_request(drive, rq, uptodate, nr_sectors << 9, 0);
-       spin_unlock_irqrestore(&ide_lock, flags);
-
-       return ret;
+       return __ide_end_request(drive, rq, uptodate, nr_sectors << 9, 0);
 }
 EXPORT_SYMBOL_GPL(ide_end_dequeued_request);