Commit 7201813b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Christoph Hellwig
Browse files

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: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDave Chinner <david@fromorbit.com>
parent e2494582

fs/xfs/quota/xfs_dquot.h

+1 −13
Original line number Diff line number Diff line
@@ -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)