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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>
This commit is contained in:
Christoph Hellwig 2009-02-09 08:39:24 +01:00 committed by Christoph Hellwig
parent e249458220
commit 7201813bf5
1 changed files with 1 additions and 13 deletions
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14
fs/xfs/quota/xfs_dquot.h
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@ -109,19 +109,6 @@ enum {
#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 @@ static inline void xfs_dqfunlock(xfs_dquot_t *dqp)
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)