xfs: use mutex_is_locked in XFS_DQ_IS_LOCKED
Now that we have a helper to test if a mutex is held use it instead of our
own little hacks.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h
index d443e93..d1f726e 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/quota/xfs_dquot.h
@@ -109,19 +109,6 @@
#define XFS_DQHOLD(dqp) ((dqp)->q_nrefs++)
-#ifdef DEBUG
-static inline int
-XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)
-{
- if (mutex_trylock(&dqp->q_qlock)) {
- mutex_unlock(&dqp->q_qlock);
- return 0;
- }
- return 1;
-}
-#endif
-
-
/*
* Manage the q_flush completion queue embedded in the dquot. This completion
* queue synchronizes processes attempting to flush the in-core dquot back to
@@ -142,6 +129,7 @@
complete(&dqp->q_flush);
}
+#define XFS_DQ_IS_LOCKED(dqp) (mutex_is_locked(&((dqp)->q_qlock)))
#define XFS_DQ_IS_ON_FREELIST(dqp) ((dqp)->dq_flnext != (dqp))
#define XFS_DQ_IS_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY)
#define XFS_QM_ISUDQ(dqp) ((dqp)->dq_flags & XFS_DQ_USER)