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Merge branch 'for-2.6.40/core' of git://git.kernel.dk/linux-2.6-block

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* 'for-2.6.40/core' of git://git.kernel.dk/linux-2.6-block: (40 commits)
  cfq-iosched: free cic_index if cfqd allocation fails
  cfq-iosched: remove unused 'group_changed' in cfq_service_tree_add()
  cfq-iosched: reduce bit operations in cfq_choose_req()
  cfq-iosched: algebraic simplification in cfq_prio_to_maxrq()
  blk-cgroup: Initialize ioc->cgroup_changed at ioc creation time
  block: move bd_set_size() above rescan_partitions() in __blkdev_get()
  block: call elv_bio_merged() when merged
  cfq-iosched: Make IO merge related stats per cpu
  cfq-iosched: Fix a memory leak of per cpu stats for root group
  backing-dev: Kill set but not used var in  bdi_debug_stats_show()
  block: get rid of on-stack plugging debug checks
  blk-throttle: Make no throttling rule group processing lockless
  blk-cgroup: Make cgroup stat reset path blkg->lock free for dispatch stats
  blk-cgroup: Make 64bit per cpu stats safe on 32bit arch
  blk-throttle: Make dispatch stats per cpu
  blk-throttle: Free up a group only after one rcu grace period
  blk-throttle: Use helper function to add root throtl group to lists
  blk-throttle: Introduce a helper function to fill in device details
  blk-throttle: Dynamically allocate root group
  blk-cgroup: Allow sleeping while dynamically allocating a group
  ...
This commit is contained in:
Linus Torvalds 2011-05-25 09:14:07 -07:00
commit 798ce8f1cc
25 changed files with 785 additions and 317 deletions
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13
drivers/ata/libata-scsi.c
View file

@ -1089,21 +1089,21 @@ static int atapi_drain_needed(struct request *rq)
static int ata_scsi_dev_config(struct scsi_device *sdev,
struct ata_device *dev)
{
struct request_queue *q = sdev->request_queue;
if (!ata_id_has_unload(dev->id))
dev->flags |= ATA_DFLAG_NO_UNLOAD;
/* configure max sectors */
blk_queue_max_hw_sectors(sdev->request_queue, dev->max_sectors);
blk_queue_max_hw_sectors(q, dev->max_sectors);
if (dev->class == ATA_DEV_ATAPI) {
struct request_queue *q = sdev->request_queue;
void *buf;
sdev->sector_size = ATA_SECT_SIZE;
/* set DMA padding */
blk_queue_update_dma_pad(sdev->request_queue,
ATA_DMA_PAD_SZ - 1);
blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1);
/* configure draining */
buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL);
@ -1131,8 +1131,7 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
"sector_size=%u > PAGE_SIZE, PIO may malfunction\n",
sdev->sector_size);
blk_queue_update_dma_alignment(sdev->request_queue,
sdev->sector_size - 1);
blk_queue_update_dma_alignment(q, sdev->sector_size - 1);
if (dev->flags & ATA_DFLAG_AN)
set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events);
@ -1145,6 +1144,8 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, depth);
}
blk_queue_flush_queueable(q, false);
dev->sdev = sdev;
return 0;
}