diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-07-10 17:29:58 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-07-10 17:29:58 -0400 |
commit | 69ca06c9454169c4a9303e8834adae9080f94859 (patch) | |
tree | d713fe8ac3ada06c0989706e237f6e6176396347 /drivers | |
parent | 9f2d8be4266f8861af806d964ae5db2949b670f3 (diff) | |
parent | 32f2e807a3938b24d0831211e6094f9e44b2fc83 (diff) |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
cfq-iosched: reset oom_cfqq in cfq_set_request()
block: fix sg SG_DXFER_TO_FROM_DEV regression
block: call blk_scsi_ioctl_init()
Fix congestion_wait() sync/async vs read/write confusion
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/block/pktcdvd.c | 10 | ||||
-rw-r--r-- | drivers/md/dm-crypt.c | 2 | ||||
-rw-r--r-- | drivers/scsi/sg.c | 4 |
3 files changed, 11 insertions, 5 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 83650e00632d..99a506f619b7 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c | |||
@@ -1372,8 +1372,10 @@ try_next_bio: | |||
1372 | wakeup = (pd->write_congestion_on > 0 | 1372 | wakeup = (pd->write_congestion_on > 0 |
1373 | && pd->bio_queue_size <= pd->write_congestion_off); | 1373 | && pd->bio_queue_size <= pd->write_congestion_off); |
1374 | spin_unlock(&pd->lock); | 1374 | spin_unlock(&pd->lock); |
1375 | if (wakeup) | 1375 | if (wakeup) { |
1376 | clear_bdi_congested(&pd->disk->queue->backing_dev_info, WRITE); | 1376 | clear_bdi_congested(&pd->disk->queue->backing_dev_info, |
1377 | BLK_RW_ASYNC); | ||
1378 | } | ||
1377 | 1379 | ||
1378 | pkt->sleep_time = max(PACKET_WAIT_TIME, 1); | 1380 | pkt->sleep_time = max(PACKET_WAIT_TIME, 1); |
1379 | pkt_set_state(pkt, PACKET_WAITING_STATE); | 1381 | pkt_set_state(pkt, PACKET_WAITING_STATE); |
@@ -2592,10 +2594,10 @@ static int pkt_make_request(struct request_queue *q, struct bio *bio) | |||
2592 | spin_lock(&pd->lock); | 2594 | spin_lock(&pd->lock); |
2593 | if (pd->write_congestion_on > 0 | 2595 | if (pd->write_congestion_on > 0 |
2594 | && pd->bio_queue_size >= pd->write_congestion_on) { | 2596 | && pd->bio_queue_size >= pd->write_congestion_on) { |
2595 | set_bdi_congested(&q->backing_dev_info, WRITE); | 2597 | set_bdi_congested(&q->backing_dev_info, BLK_RW_ASYNC); |
2596 | do { | 2598 | do { |
2597 | spin_unlock(&pd->lock); | 2599 | spin_unlock(&pd->lock); |
2598 | congestion_wait(WRITE, HZ); | 2600 | congestion_wait(BLK_RW_ASYNC, HZ); |
2599 | spin_lock(&pd->lock); | 2601 | spin_lock(&pd->lock); |
2600 | } while(pd->bio_queue_size > pd->write_congestion_off); | 2602 | } while(pd->bio_queue_size > pd->write_congestion_off); |
2601 | } | 2603 | } |
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 9933eb861c71..529e2ba505c3 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c | |||
@@ -776,7 +776,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) | |||
776 | * But don't wait if split was due to the io size restriction | 776 | * But don't wait if split was due to the io size restriction |
777 | */ | 777 | */ |
778 | if (unlikely(out_of_pages)) | 778 | if (unlikely(out_of_pages)) |
779 | congestion_wait(WRITE, HZ/100); | 779 | congestion_wait(BLK_RW_ASYNC, HZ/100); |
780 | 780 | ||
781 | /* | 781 | /* |
782 | * With async crypto it is unsafe to share the crypto context | 782 | * With async crypto it is unsafe to share the crypto context |
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 4d6f2fe1cfe9..9230402c45af 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c | |||
@@ -1656,6 +1656,10 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) | |||
1656 | md->nr_entries = req_schp->k_use_sg; | 1656 | md->nr_entries = req_schp->k_use_sg; |
1657 | md->offset = 0; | 1657 | md->offset = 0; |
1658 | md->null_mapped = hp->dxferp ? 0 : 1; | 1658 | md->null_mapped = hp->dxferp ? 0 : 1; |
1659 | if (dxfer_dir == SG_DXFER_TO_FROM_DEV) | ||
1660 | md->from_user = 1; | ||
1661 | else | ||
1662 | md->from_user = 0; | ||
1659 | } | 1663 | } |
1660 | 1664 | ||
1661 | if (iov_count) { | 1665 | if (iov_count) { |