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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-16 22:04:48 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-16 22:04:48 +0100 |
| commit | 78f902ccc597d6ce3e8d1477d70f2d79e960ba7a (patch) | |
| tree | c6ceab663de16501d1dda1c1596fe2dacaaef8e3 /fs/jffs2/background.c | |
| parent | 9ee670fd87b7d69c8633b94c42aadcbbcb96f28e (diff) | |
| parent | 8b1fae4e4200388b64dd88065639413cb3f1051c (diff) | |
Merge commit 'v2.6.28-rc8' into x86/doc
Diffstat (limited to 'fs/jffs2/background.c')
| -rw-r--r-- | fs/jffs2/background.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c index 8adebd3e43c6..3cceef4ad2b7 100644 --- a/fs/jffs2/background.c +++ b/fs/jffs2/background.c @@ -85,15 +85,15 @@ static int jffs2_garbage_collect_thread(void *_c) for (;;) { allow_signal(SIGHUP); again: + spin_lock(&c->erase_completion_lock); if (!jffs2_thread_should_wake(c)) { set_current_state (TASK_INTERRUPTIBLE); + spin_unlock(&c->erase_completion_lock); D1(printk(KERN_DEBUG "jffs2_garbage_collect_thread sleeping...\n")); - /* Yes, there's a race here; we checked jffs2_thread_should_wake() - before setting current->state to TASK_INTERRUPTIBLE. But it doesn't - matter - We don't care if we miss a wakeup, because the GC thread - is only an optimisation anyway. */ schedule(); - } + } else + spin_unlock(&c->erase_completion_lock); + /* This thread is purely an optimisation. But if it runs when other things could be running, it actually makes things a |