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xfs: cleanup dquot locking helpers

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Christoph Hellwig 2011-12-06 21:58:14 +00:00 committed by Ben Myers
parent a7ef9bd79f
commit 800b484ec0
4 changed files with 25 additions and 35 deletions
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31
fs/xfs/xfs_dquot.c
View File

@ -1257,40 +1257,17 @@ 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
xfs_dqunlock(
xfs_dquot_t *dqp)
{
mutex_unlock(&(dqp->q_qlock));
xfs_dqunlock_nonotify(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_log_item_t*)&(dqp->q_logitem));
&dqp->q_logitem.qli_item);
}
}
void
xfs_dqunlock_nonotify(
xfs_dquot_t *dqp)
{
mutex_unlock(&(dqp->q_qlock));
}
/*
* Lock two xfs_dquot structures.
*
@ -1370,7 +1347,7 @@ xfs_qm_dqpurge(
* Block on the flush lock after nudging dquot buffer,
* 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.
*/
void
xfs_qm_dqflock_pushbuf_wait(
xfs_dqflock_pushbuf_wait(
xfs_dquot_t *dqp)
{
xfs_mount_t *mp = dqp->q_mount;

25
fs/xfs/xfs_dquot.h
View File

@ -102,6 +102,21 @@ static inline void xfs_dqfunlock(xfs_dquot_t *dqp)
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_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY)
#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_dqpurge(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 *,
xfs_disk_dquot_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 *,
xfs_dqid_t, uint, uint, 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_dqunlock(xfs_dquot_t *);
extern void xfs_dqunlock_nonotify(xfs_dquot_t *);
extern void xfs_dqlock2(struct xfs_dquot *, struct xfs_dquot *);
extern void xfs_dqunlock(struct xfs_dquot *);
extern void xfs_dqflock_pushbuf_wait(struct xfs_dquot *dqp);
#endif /* __XFS_DQUOT_H__ */

2
fs/xfs/xfs_dquot_item.c
View File

@ -236,7 +236,7 @@ xfs_qm_dquot_logitem_trylock(
if (atomic_read(&dqp->q_pincount) > 0)
return XFS_ITEM_PINNED;
if (!xfs_qm_dqlock_nowait(dqp))
if (!xfs_dqlock_nowait(dqp))
return XFS_ITEM_LOCKED;
if (!xfs_dqflock_nowait(dqp)) {

2
fs/xfs/xfs_qm.c
View File

@ -443,7 +443,7 @@ again:
* out immediately. We'll be able to acquire
* 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