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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-12-03 13:49:39 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-12-03 13:49:39 +0100 |
| commit | 220d0b1dbf78c6417a658c96e571415552d3abac (patch) | |
| tree | 70cd3862540c38ea490e7a27c3c7acc35b680234 /mm/backing-dev.c | |
| parent | cfq-iosched: no dispatch limit for single queue (diff) | |
| parent | Linux 2.6.32 (diff) | |
| download | linux-220d0b1dbf78c6417a658c96e571415552d3abac.tar.xz linux-220d0b1dbf78c6417a658c96e571415552d3abac.zip | |
Merge branch 'master' into for-2.6.33
Diffstat (limited to 'mm/backing-dev.c')
| -rw-r--r-- | mm/backing-dev.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 11aee09dd2a6..67a33a5a1a93 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -604,10 +604,14 @@ static void bdi_wb_shutdown(struct backing_dev_info *bdi) /* * Finally, kill the kernel threads. We don't need to be RCU - * safe anymore, since the bdi is gone from visibility. + * safe anymore, since the bdi is gone from visibility. Force + * unfreeze of the thread before calling kthread_stop(), otherwise + * it would never exet if it is currently stuck in the refrigerator. */ - list_for_each_entry(wb, &bdi->wb_list, list) + list_for_each_entry(wb, &bdi->wb_list, list) { + wb->task->flags &= ~PF_FROZEN; kthread_stop(wb->task); + } } /* |