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authorChristoph Hellwig <hch@lst.de>2009-02-09 02:39:24 -0500
committerChristoph Hellwig <hch@brick.lst.de>2009-02-09 02:39:24 -0500
commit7201813bf55cc06e6a7405831f63df96ee7842e7 (patch)
tree12eadd4e19c3defe7bdb8c054cd2b4d66bb5f379 /fs/xfs/quota/xfs_dquot.h
parente249458220c9799fe94573abd341d29c83579671 (diff)
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>
Diffstat (limited to 'fs/xfs/quota/xfs_dquot.h')
-rw-r--r--fs/xfs/quota/xfs_dquot.h14
1 files changed, 1 insertions, 13 deletions
diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h
index d443e93b4331..d1f726e0e5a4 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/quota/xfs_dquot.h
@@ -109,19 +109,6 @@ enum {
109 109
110#define XFS_DQHOLD(dqp) ((dqp)->q_nrefs++) 110#define XFS_DQHOLD(dqp) ((dqp)->q_nrefs++)
111 111
112#ifdef DEBUG
113static inline int
114XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)
115{
116 if (mutex_trylock(&dqp->q_qlock)) {
117 mutex_unlock(&dqp->q_qlock);
118 return 0;
119 }
120 return 1;
121}
122#endif
123
124
125/* 112/*
126 * Manage the q_flush completion queue embedded in the dquot. This completion 113 * Manage the q_flush completion queue embedded in the dquot. This completion
127 * queue synchronizes processes attempting to flush the in-core dquot back to 114 * queue synchronizes processes attempting to flush the in-core dquot back to
@@ -142,6 +129,7 @@ static inline void xfs_dqfunlock(xfs_dquot_t *dqp)
142 complete(&dqp->q_flush); 129 complete(&dqp->q_flush);
143} 130}
144 131
132#define XFS_DQ_IS_LOCKED(dqp) (mutex_is_locked(&((dqp)->q_qlock)))
145#define XFS_DQ_IS_ON_FREELIST(dqp) ((dqp)->dq_flnext != (dqp)) 133#define XFS_DQ_IS_ON_FREELIST(dqp) ((dqp)->dq_flnext != (dqp))
146#define XFS_DQ_IS_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY) 134#define XFS_DQ_IS_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY)
147#define XFS_QM_ISUDQ(dqp) ((dqp)->dq_flags & XFS_DQ_USER) 135#define XFS_QM_ISUDQ(dqp) ((dqp)->dq_flags & XFS_DQ_USER)