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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:19:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:19:16 -0800
commit6035ccd8e9e40bb654fbfdef325902ab531679a5 (patch)
treec1810d8a4d4ef150cdf14af72e6087dfc3f4b6e0 /mm
parent23eb3b64b5e44680c867e165fe1cd18e57fba255 (diff)
parent878eaddd05d251cefa9632c2b8046833c5eead66 (diff)
Merge branch 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block: (113 commits) cfq-iosched: Do not access cfqq after freeing it block: include linux/err.h to use ERR_PTR cfq-iosched: use call_rcu() instead of doing grace period stall on queue exit blkio: Allow CFQ group IO scheduling even when CFQ is a module blkio: Implement dynamic io controlling policy registration blkio: Export some symbols from blkio as its user CFQ can be a module block: Fix io_context leak after failure of clone with CLONE_IO block: Fix io_context leak after clone with CLONE_IO cfq-iosched: make nonrot check logic consistent io controller: quick fix for blk-cgroup and modular CFQ cfq-iosched: move IO controller declerations to a header file cfq-iosched: fix compile problem with !CONFIG_CGROUP blkio: Documentation blkio: Wait on sync-noidle queue even if rq_noidle = 1 blkio: Implement group_isolation tunable blkio: Determine async workload length based on total number of queues blkio: Wait for cfq queue to get backlogged if group is empty blkio: Propagate cgroup weight updation to cfq groups blkio: Drop the reference to queue once the task changes cgroup blkio: Provide some isolation between groups ...
Diffstat (limited to 'mm')
-rw-r--r--mm/backing-dev.c2
-rw-r--r--mm/page-writeback.c12
2 files changed, 1 insertions, 13 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 67a33a5a1a9..0e8ca034770 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -609,7 +609,7 @@ static void bdi_wb_shutdown(struct backing_dev_info *bdi)
* it would never exet if it is currently stuck in the refrigerator.
*/
list_for_each_entry(wb, &bdi->wb_list, list) {
- wb->task->flags &= ~PF_FROZEN;
+ thaw_process(wb->task);
kthread_stop(wb->task);
}
}
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 2c5d79236ea..0b19943ecf8 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -821,7 +821,6 @@ int write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc, writepage_t writepage,
void *data)
{
- struct backing_dev_info *bdi = mapping->backing_dev_info;
int ret = 0;
int done = 0;
struct pagevec pvec;
@@ -834,11 +833,6 @@ int write_cache_pages(struct address_space *mapping,
int range_whole = 0;
long nr_to_write = wbc->nr_to_write;
- if (wbc->nonblocking && bdi_write_congested(bdi)) {
- wbc->encountered_congestion = 1;
- return 0;
- }
-
pagevec_init(&pvec, 0);
if (wbc->range_cyclic) {
writeback_index = mapping->writeback_index; /* prev offset */
@@ -957,12 +951,6 @@ continue_unlock:
break;
}
}
-
- if (wbc->nonblocking && bdi_write_congested(bdi)) {
- wbc->encountered_congestion = 1;
- done = 1;
- break;
- }
}
pagevec_release(&pvec);
cond_resched();