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Commit 800b484e authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Ben Myers
Browse files

xfs: cleanup dquot locking helpers 



Mark the trivial lock wrappers as inline, and make the naming consistent
for all of them.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
Signed-off-by: default avatarBen Myers <bpm@sgi.com>
parent a7ef9bd7

fs/xfs/xfs_dquot.c

+4 −27
Original line number Original line Diff line number Diff line
@@ -1257,38 +1257,15 @@ xfs_qm_dqflush( 




}

}





int

xfs_qm_dqlock_nowait(

	xfs_dquot_t *dqp)

{

	return mutex_trylock(&dqp->q_qlock);

}



void

xfs_dqlock(

	xfs_dquot_t *dqp)

{

	mutex_lock(&dqp->q_qlock);

}



void

void

xfs_dqunlock(

xfs_dqunlock(

	xfs_dquot_t *dqp)

	xfs_dquot_t *dqp)

{

{

	mutex_unlock(&(dqp->q_qlock));

	xfs_dqunlock_nonotify(dqp);

	if (dqp->q_logitem.qli_dquot == dqp) {

	if (dqp->q_logitem.qli_dquot == dqp) {

		/* Once was dqp->q_mount, but might just have been cleared */

		xfs_trans_unlocked_item(dqp->q_logitem.qli_item.li_ailp,

		xfs_trans_unlocked_item(dqp->q_logitem.qli_item.li_ailp,

					(xfs_log_item_t*)&(dqp->q_logitem));

					&dqp->q_logitem.qli_item);

	}

	}

	}





void

xfs_dqunlock_nonotify(

	xfs_dquot_t *dqp)

{

	mutex_unlock(&(dqp->q_qlock));

}

}





/*

/*
@@ -1370,7 +1347,7 @@ xfs_qm_dqpurge( 
		 * Block on the flush lock after nudging dquot buffer,

		 * Block on the flush lock after nudging dquot buffer,

		 * if it is incore.

		 * if it is incore.

		 */

		 */

		xfs_qm_dqflock_pushbuf_wait(dqp);

		xfs_dqflock_pushbuf_wait(dqp);

	}

	}





	/*

	/*
@@ -1427,7 +1404,7 @@ xfs_qm_dqpurge( 
 * wait on the flush lock.

 * wait on the flush lock.

 */

 */

void

void

xfs_qm_dqflock_pushbuf_wait(

xfs_dqflock_pushbuf_wait(

	xfs_dquot_t	*dqp)

	xfs_dquot_t	*dqp)

{

{

	xfs_mount_t	*mp = dqp->q_mount;

	xfs_mount_t	*mp = dqp->q_mount;

fs/xfs/xfs_dquot.h

+19 −6
Original line number Original line Diff line number Diff line
@@ -102,6 +102,21 @@ static inline void xfs_dqfunlock(xfs_dquot_t *dqp) 
	complete(&dqp->q_flush);

	complete(&dqp->q_flush);

}

}





static inline int xfs_dqlock_nowait(struct xfs_dquot *dqp)

{

	return mutex_trylock(&dqp->q_qlock);

}



static inline void xfs_dqlock(struct xfs_dquot *dqp)

{

	mutex_lock(&dqp->q_qlock);

}



static inline void xfs_dqunlock_nonotify(struct xfs_dquot *dqp)

{

	mutex_unlock(&dqp->q_qlock);

}



#define XFS_DQ_IS_LOCKED(dqp)	(mutex_is_locked(&((dqp)->q_qlock)))

#define XFS_DQ_IS_LOCKED(dqp)	(mutex_is_locked(&((dqp)->q_qlock)))

#define XFS_DQ_IS_DIRTY(dqp)	((dqp)->dq_flags & XFS_DQ_DIRTY)

#define XFS_DQ_IS_DIRTY(dqp)	((dqp)->dq_flags & XFS_DQ_DIRTY)

#define XFS_QM_ISUDQ(dqp)	((dqp)->dq_flags & XFS_DQ_USER)

#define XFS_QM_ISUDQ(dqp)	((dqp)->dq_flags & XFS_DQ_USER)
@@ -120,8 +135,6 @@ extern void xfs_qm_dqdestroy(xfs_dquot_t *); 
extern int		xfs_qm_dqflush(xfs_dquot_t *, uint);

extern int		xfs_qm_dqflush(xfs_dquot_t *, uint);

extern int		xfs_qm_dqpurge(xfs_dquot_t *);

extern int		xfs_qm_dqpurge(xfs_dquot_t *);

extern void		xfs_qm_dqunpin_wait(xfs_dquot_t *);

extern void		xfs_qm_dqunpin_wait(xfs_dquot_t *);

extern int		xfs_qm_dqlock_nowait(xfs_dquot_t *);

extern void		xfs_qm_dqflock_pushbuf_wait(xfs_dquot_t *dqp);

extern void		xfs_qm_adjust_dqtimers(xfs_mount_t *,

extern void		xfs_qm_adjust_dqtimers(xfs_mount_t *,

					xfs_disk_dquot_t *);

					xfs_disk_dquot_t *);

extern void		xfs_qm_adjust_dqlimits(xfs_mount_t *,

extern void		xfs_qm_adjust_dqlimits(xfs_mount_t *,
@@ -129,9 +142,9 @@ extern void xfs_qm_adjust_dqlimits(xfs_mount_t *, 
extern int		xfs_qm_dqget(xfs_mount_t *, xfs_inode_t *,

extern int		xfs_qm_dqget(xfs_mount_t *, xfs_inode_t *,

					xfs_dqid_t, uint, uint, xfs_dquot_t **);

					xfs_dqid_t, uint, uint, xfs_dquot_t **);

extern void		xfs_qm_dqput(xfs_dquot_t *);

extern void		xfs_qm_dqput(xfs_dquot_t *);

extern void		xfs_dqlock(xfs_dquot_t *);



extern void		xfs_dqlock2(xfs_dquot_t *, xfs_dquot_t *);

extern void		xfs_dqlock2(struct xfs_dquot *, struct xfs_dquot *);

extern void		xfs_dqunlock(xfs_dquot_t *);

extern void		xfs_dqunlock(struct xfs_dquot *);

extern void		xfs_dqunlock_nonotify(xfs_dquot_t *);

extern void		xfs_dqflock_pushbuf_wait(struct xfs_dquot *dqp);





#endif /* __XFS_DQUOT_H__ */
 
#endif /* __XFS_DQUOT_H__ */

fs/xfs/xfs_dquot_item.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -236,7 +236,7 @@ xfs_qm_dquot_logitem_trylock( 
	if (atomic_read(&dqp->q_pincount) > 0)

	if (atomic_read(&dqp->q_pincount) > 0)

		return XFS_ITEM_PINNED;

		return XFS_ITEM_PINNED;





	if (!xfs_qm_dqlock_nowait(dqp))

	if (!xfs_dqlock_nowait(dqp))

		return XFS_ITEM_LOCKED;

		return XFS_ITEM_LOCKED;





	if (!xfs_dqflock_nowait(dqp)) {

	if (!xfs_dqflock_nowait(dqp)) {

fs/xfs/xfs_qm.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -443,7 +443,7 @@ xfs_qm_dqflush_all( 
			 * out immediately.  We'll be able to acquire

			 * out immediately.  We'll be able to acquire

			 * the flush lock when the I/O completes.

			 * the flush lock when the I/O completes.

			 */

			 */

			xfs_qm_dqflock_pushbuf_wait(dqp);

			xfs_dqflock_pushbuf_wait(dqp);

		}

		}

		/*

		/*

		 * Let go of the mplist lock. We don't want to hold it

		 * Let go of the mplist lock. We don't want to hold it