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Merge branch 'for-2.6.32' of git://git.kernel.dk/linux-2.6-block

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* 'for-2.6.32' of git://git.kernel.dk/linux-2.6-block: (29 commits)
  block: use blkdev_issue_discard in blk_ioctl_discard
  Make DISCARD_BARRIER and DISCARD_NOBARRIER writes instead of reads
  block: don't assume device has a request list backing in nr_requests store
  block: Optimal I/O limit wrapper
  cfq: choose a new next_req when a request is dispatched
  Seperate read and write statistics of in_flight requests
  aoe: end barrier bios with EOPNOTSUPP
  block: trace bio queueing trial only when it occurs
  block: enable rq CPU completion affinity by default
  cfq: fix the log message after dispatched a request
  block: use printk_once
  cciss: memory leak in cciss_init_one()
  splice: update mtime and atime on files
  block: make blk_iopoll_prep_sched() follow normal 0/1 return convention
  cfq-iosched: get rid of must_alloc flag
  block: use interrupts disabled version of raise_softirq_irqoff()
  block: fix comment in blk-iopoll.c
  block: adjust default budget for blk-iopoll
  block: fix long lines in block/blk-iopoll.c
  block: add blk-iopoll, a NAPI like approach for block devices
  ...
This commit is contained in:
Linus Torvalds 2009-09-14 17:55:15 -07:00
commit 355bbd8cb8
42 changed files with 729 additions and 284 deletions
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6
mm/swapfile.c
View file

@ -161,7 +161,8 @@ static int discard_swap(struct swap_info_struct *si)
}
err = blkdev_issue_discard(si->bdev, start_block,
nr_blocks, GFP_KERNEL);
nr_blocks, GFP_KERNEL,
DISCARD_FL_BARRIER);
if (err)
break;
@ -200,7 +201,8 @@ static void discard_swap_cluster(struct swap_info_struct *si,
start_block <<= PAGE_SHIFT - 9;
nr_blocks <<= PAGE_SHIFT - 9;
if (blkdev_issue_discard(si->bdev, start_block,
nr_blocks, GFP_NOIO))
nr_blocks, GFP_NOIO,
DISCARD_FL_BARRIER))
break;
}