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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 17:55:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 17:55:15 -0700
commit355bbd8cb82e60a592f6cd86ce6dbe5677615cf4 (patch)
tree23678e50ad4687f1656edc972388ee8014e7b89d /mm
parent39695224bd84dc4be29abad93a0ec232a16fc519 (diff)
parent746cd1e7e4a555ddaee53b19a46e05c9c61eaf09 (diff)
downloadlinux-355bbd8cb82e60a592f6cd86ce6dbe5677615cf4.tar.bz2
Merge branch 'for-2.6.32' of git://git.kernel.dk/linux-2.6-block
* '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 ...
Diffstat (limited to 'mm')
-rw-r--r--mm/swapfile.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 8ffdc0d23c53..74f1102e8749 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -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;
}