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| author | Ingo Molnar <mingo@elte.hu> | 2008-11-10 09:16:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-10 09:16:27 +0100 |
| commit | 4ecd33d930591d41fe356160593a9076467b961c (patch) | |
| tree | b9051a334540bbce38db1b2b03cebb4cf1d51f73 /fs/jffs2/background.c | |
| parent | 7d5a78cd98c3a5eb83bd6a061c5ea6ef1e9b8fcb (diff) | |
| parent | f7160c7573615ec82c691e294cf80d920b5d588d (diff) | |
Merge commit 'v2.6.28-rc4' into x86/apic
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 |