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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-10-20 00:32:36 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-10-20 00:32:36 +0200
commitbbc615b16d64643a3d22ab4890fde1a685e86d83 (patch)
tree107c152fecbf99e280f3f1af5090dc695305d74d /drivers/ide
parentbde07e5eab1351109007bf375349f295977e7f53 (diff)
downloadop-kernel-dev-bbc615b16d64643a3d22ab4890fde1a685e86d83.zip
op-kernel-dev-bbc615b16d64643a3d22ab4890fde1a685e86d83.tar.gz
ide: use __ide_end_request() in ide_end_dequeued_request()
* Remove dead code for handling IDE TCQ from ide_end_dequeued_request(). * Add 'dequeue' parameter to __ide_end_request(). * Use __ide_end_request() in ide_end_dequeued_request(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/ide-io.c44
1 files changed, 10 insertions, 34 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index e2eb408..c89f0d3 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -55,7 +55,7 @@
#include <asm/io.h>
static int __ide_end_request(ide_drive_t *drive, struct request *rq,
- int uptodate, unsigned int nr_bytes)
+ int uptodate, unsigned int nr_bytes, int dequeue)
{
int ret = 1;
@@ -80,9 +80,11 @@ static int __ide_end_request(ide_drive_t *drive, struct request *rq,
if (!end_that_request_chunk(rq, uptodate, nr_bytes)) {
add_disk_randomness(rq->rq_disk);
- if (!list_empty(&rq->queuelist))
- blkdev_dequeue_request(rq);
- HWGROUP(drive)->rq = NULL;
+ if (dequeue) {
+ if (!list_empty(&rq->queuelist))
+ blkdev_dequeue_request(rq);
+ HWGROUP(drive)->rq = NULL;
+ }
end_that_request_last(rq, uptodate);
ret = 0;
}
@@ -122,7 +124,7 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors)
nr_bytes = rq->hard_cur_sectors << 9;
}
- ret = __ide_end_request(drive, rq, uptodate, nr_bytes);
+ ret = __ide_end_request(drive, rq, uptodate, nr_bytes, 1);
spin_unlock_irqrestore(&ide_lock, flags);
return ret;
@@ -255,39 +257,13 @@ int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
int uptodate, int nr_sectors)
{
unsigned long flags;
- int ret = 1;
+ int ret;
spin_lock_irqsave(&ide_lock, flags);
-
BUG_ON(!blk_rq_started(rq));
-
- /*
- * if failfast is set on a request, override number of sectors and
- * complete the whole request right now
- */
- if (blk_noretry_request(rq) && end_io_error(uptodate))
- nr_sectors = rq->hard_nr_sectors;
-
- if (!blk_fs_request(rq) && end_io_error(uptodate) && !rq->errors)
- rq->errors = -EIO;
-
- /*
- * decide whether to reenable DMA -- 3 is a random magic for now,
- * if we DMA timeout more than 3 times, just stay in PIO
- */
- if (drive->state == DMA_PIO_RETRY && drive->retry_pio <= 3) {
- drive->state = 0;
- HWGROUP(drive)->hwif->ide_dma_on(drive);
- }
-
- if (!end_that_request_first(rq, uptodate, nr_sectors)) {
- add_disk_randomness(rq->rq_disk);
- if (blk_rq_tagged(rq))
- blk_queue_end_tag(drive->queue, rq);
- end_that_request_last(rq, uptodate);
- ret = 0;
- }
+ ret = __ide_end_request(drive, rq, uptodate, nr_sectors << 9, 0);
spin_unlock_irqrestore(&ide_lock, flags);
+
return ret;
}
EXPORT_SYMBOL_GPL(ide_end_dequeued_request);
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