[PATCH] ext3 journalled quota locking fix

From: Jan Kara <jack@ucw.cz>

I've attached a fix for a problem in ext3 journalled quota patch - the problem
is that detecting whether dqput() sleeps was wrong and so we could possibly
schedule when holding a spinlock.

diff --git a/fs/dquot.c b/fs/dquot.c
index 2c32d456cbaf149ac5f4639a410a7002f53f79e6..eabeb6d6d456a100a7137ee53adf5876812b6188 100644 (file)
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -642,7 +642,7 @@ restart:
 /* Return 0 if dqput() won't block (note that 1 doesn't necessarily mean blocking) */
 static inline int dqput_blocks(struct dquot *dquot)
 {
-       if (atomic_read(&dquot->dq_count) <= 1 && dquot_dirty(dquot))
+       if (atomic_read(&dquot->dq_count) <= 1)
                return 1;
        return 0;
 }