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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 09:26:40 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 09:26:40 -0800 |
commit | e2688f00dc0ceb9d9867434dffbd080411fc23b0 (patch) | |
tree | 433549c6a655ac879654ba82d312911677650380 /drivers/ide | |
parent | 356cebea1123804e4aa85b43ab39bbd0ac8e667c (diff) | |
parent | a9925a06ea52a44b4bf4a941342e8240eaf22417 (diff) | |
download | kernel_samsung_smdk4412-e2688f00dc0ceb9d9867434dffbd080411fc23b0.zip kernel_samsung_smdk4412-e2688f00dc0ceb9d9867434dffbd080411fc23b0.tar.gz kernel_samsung_smdk4412-e2688f00dc0ceb9d9867434dffbd080411fc23b0.tar.bz2 |
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.c | 42 | ||||
-rw-r--r-- | drivers/ide/ide-probe.c | 2 |
2 files changed, 37 insertions, 7 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index b5dc6df..dea2d4d 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 02167a5..1ddaa71 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; |