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authorLinus Torvalds <torvalds@linux-foundation.org>2009-07-10 17:29:58 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-10 17:29:58 -0400
commit69ca06c9454169c4a9303e8834adae9080f94859 (patch)
treed713fe8ac3ada06c0989706e237f6e6176396347 /drivers
parent9f2d8be4266f8861af806d964ae5db2949b670f3 (diff)
parent32f2e807a3938b24d0831211e6094f9e44b2fc83 (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.c10
-rw-r--r--drivers/md/dm-crypt.c2
-rw-r--r--drivers/scsi/sg.c4
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) {