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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-13 09:56:24 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-13 09:56:24 +0100 |
| commit | 74b8721099992b76d3faff78cb8a5d13c65c3529 (patch) | |
| tree | 2c9971160051cae98237715f791ce2b93a0720b5 /block/cfq-iosched.c | |
| parent | 4bddaf66093ce0e0c1fce505f091f4cd52e73e2e (diff) | |
| parent | baffe1699c68da5040de6b274054adc995795782 (diff) | |
Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel-stable
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 838834be115b..5f127cfb2e92 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -3694,8 +3694,10 @@ static void *cfq_init_queue(struct request_queue *q) * to make sure that cfq_put_cfqg() does not try to kfree root group */ atomic_set(&cfqg->ref, 1); + rcu_read_lock(); blkiocg_add_blkio_group(&blkio_root_cgroup, &cfqg->blkg, (void *)cfqd, 0); + rcu_read_unlock(); #endif /* * Not strictly needed (since RB_ROOT just clears the node and we |