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[XFS] Kill direct access to ->count in valusema(); all we ever use it for

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is check if semaphore is actually locked, which can be trivially done in
portable way. Code gets more reabable, while we are at it... 

SGI-PV: 953915
SGI-Modid: xfs-linux-melb:xfs-kern:26274a

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Al Viro
2006-06-19 08:41:30 +10:00
zatwierdzone przez Nathan Scott
rodzic a805bad5da
commit 0d8fee3270
6 zmienionych plików z 20 dodań i 19 usunięć
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4
fs/xfs/quota/xfs_dquot.h
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@@ -119,7 +119,7 @@ XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)
*/
#define xfs_dqflock(dqp) { psema(&((dqp)->q_flock), PINOD | PRECALC);\
(dqp)->dq_flags |= XFS_DQ_FLOCKED; }
#define xfs_dqfunlock(dqp) { ASSERT(valusema(&((dqp)->q_flock)) <= 0); \
#define xfs_dqfunlock(dqp) { ASSERT(issemalocked(&((dqp)->q_flock))); \
vsema(&((dqp)->q_flock)); \
(dqp)->dq_flags &= ~(XFS_DQ_FLOCKED); }
@@ -128,7 +128,7 @@ XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)
#define XFS_DQ_PINUNLOCK(dqp, s) mutex_spinunlock( \
&(XFS_DQ_TO_QINF(dqp)->qi_pinlock), s)
#define XFS_DQ_IS_FLUSH_LOCKED(dqp) (valusema(&((dqp)->q_flock)) <= 0)
#define XFS_DQ_IS_FLUSH_LOCKED(dqp) (issemalocked(&((dqp)->q_flock)))
#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)

4
fs/xfs/quota/xfs_dquot_item.c
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@@ -248,7 +248,7 @@ xfs_qm_dquot_logitem_pushbuf(
* inode flush completed and the inode was taken off the AIL.
* So, just get out.
*/
if ((valusema(&(dqp->q_flock)) > 0) ||
if (!issemalocked(&(dqp->q_flock)) ||
((qip->qli_item.li_flags & XFS_LI_IN_AIL) == 0)) {
qip->qli_pushbuf_flag = 0;
xfs_dqunlock(dqp);
@@ -261,7 +261,7 @@ xfs_qm_dquot_logitem_pushbuf(
if (bp != NULL) {
if (XFS_BUF_ISDELAYWRITE(bp)) {
dopush = ((qip->qli_item.li_flags & XFS_LI_IN_AIL) &&
(valusema(&(dqp->q_flock)) <= 0));
issemalocked(&(dqp->q_flock)));
qip->qli_pushbuf_flag = 0;
xfs_dqunlock(dqp);