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authorLinus Torvalds <torvalds@g5.osdl.org>2006-01-09 09:26:40 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-09 09:26:40 -0800
commite2688f00dc0ceb9d9867434dffbd080411fc23b0 (patch)
tree433549c6a655ac879654ba82d312911677650380 /drivers/ide
parent356cebea1123804e4aa85b43ab39bbd0ac8e667c (diff)
parenta9925a06ea52a44b4bf4a941342e8240eaf22417 (diff)
downloadblackbird-op-linux-e2688f00dc0ceb9d9867434dffbd080411fc23b0.tar.gz
blackbird-op-linux-e2688f00dc0ceb9d9867434dffbd080411fc23b0.zip
Merge branch 'blk-softirq' of git://brick.kernel.dk/data/git/linux-2.6-block
Manual merge for trivial #include changes
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/ide-io.c42
-rw-r--r--drivers/ide/ide-probe.c2
2 files changed, 37 insertions, 7 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index b5dc6df8e67d..dea2d4dcc698 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -55,9 +55,22 @@
#include <asm/io.h>
#include <asm/bitops.h>
+void ide_softirq_done(struct request *rq)
+{
+ request_queue_t *q = rq->q;
+
+ add_disk_randomness(rq->rq_disk);
+ end_that_request_chunk(rq, rq->errors, rq->data_len);
+
+ spin_lock_irq(q->queue_lock);
+ end_that_request_last(rq, rq->errors);
+ spin_unlock_irq(q->queue_lock);
+}
+
int __ide_end_request(ide_drive_t *drive, struct request *rq, int uptodate,
int nr_sectors)
{
+ unsigned int nbytes;
int ret = 1;
BUG_ON(!(rq->flags & REQ_STARTED));
@@ -81,17 +94,28 @@ int __ide_end_request(ide_drive_t *drive, struct request *rq, int uptodate,
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);
-
+ /*
+ * For partial completions (or non fs/pc requests), use the regular
+ * direct completion path.
+ */
+ nbytes = nr_sectors << 9;
+ if (rq_all_done(rq, nbytes)) {
+ rq->errors = uptodate;
+ rq->data_len = nbytes;
blkdev_dequeue_request(rq);
HWGROUP(drive)->rq = NULL;
- end_that_request_last(rq, uptodate);
+ blk_complete_request(rq);
ret = 0;
+ } else {
+ if (!end_that_request_first(rq, uptodate, nr_sectors)) {
+ add_disk_randomness(rq->rq_disk);
+ blkdev_dequeue_request(rq);
+ HWGROUP(drive)->rq = NULL;
+ end_that_request_last(rq, uptodate);
+ ret = 0;
+ }
}
+
return ret;
}
EXPORT_SYMBOL(__ide_end_request);
@@ -113,6 +137,10 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors)
unsigned long flags;
int ret = 1;
+ /*
+ * room for locking improvements here, the calls below don't
+ * need the queue lock held at all
+ */
spin_lock_irqsave(&ide_lock, flags);
rq = HWGROUP(drive)->rq;
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 02167a5b751d..1ddaa71a8f45 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1011,6 +1011,8 @@ static int ide_init_queue(ide_drive_t *drive)
blk_queue_max_hw_segments(q, max_sg_entries);
blk_queue_max_phys_segments(q, max_sg_entries);
+ blk_queue_softirq_done(q, ide_softirq_done);
+
/* assign drive queue */
drive->queue = q;
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