Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=869b906078720b68711569b68de0acca6b73b675
Commit: 869b906078720b68711569b68de0acca6b73b675
Parent: c8b5ea289fed15a7d7a4d6e911987ff16499aed7
Author: Eric Sandeen <[EMAIL PROTECTED]>
AuthorDate: Thu Oct 11 17:38:18 2007 +1000
Committer: Lachlan McIlroy <[EMAIL PROTECTED]>
CommitDate: Thu Feb 7 16:44:50 2008 +1100
[XFS] Unwrap XFS_DQ_PINUNLOCK.
Un-obfuscate DQ_PINLOCK, remove DQ_PINLOCK->mutex_lock->spin_lock macros,
call spin_lock directly, remove extraneous cookie holdover from old xfs
code, and change lock type to spinlock_t.
SGI-PV: 970382
SGI-Modid: xfs-linux-melb:xfs-kern:29742a
Signed-off-by: Eric Sandeen <[EMAIL PROTECTED]>
Signed-off-by: Donald Douwsma <[EMAIL PROTECTED]>
Signed-off-by: Tim Shimmin <[EMAIL PROTECTED]>
---
fs/xfs/quota/xfs_dquot.h | 5 -----
fs/xfs/quota/xfs_dquot_item.c | 16 ++++++----------
fs/xfs/quota/xfs_qm.h | 2 +-
3 files changed, 7 insertions(+), 16 deletions(-)
diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h
index 78d3ab9..5c371a9 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/quota/xfs_dquot.h
@@ -123,11 +123,6 @@ XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)
vsema(&((dqp)->q_flock)); \
(dqp)->dq_flags &= ~(XFS_DQ_FLOCKED); }
-#define XFS_DQ_PINLOCK(dqp) mutex_spinlock( \
- &(XFS_DQ_TO_QINF(dqp)->qi_pinlock))
-#define XFS_DQ_PINUNLOCK(dqp, s) mutex_spinunlock( \
- &(XFS_DQ_TO_QINF(dqp)->qi_pinlock), s)
-
#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)
diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c
index a00b71b..1800e8d 100644
--- a/fs/xfs/quota/xfs_dquot_item.c
+++ b/fs/xfs/quota/xfs_dquot_item.c
@@ -94,14 +94,13 @@ STATIC void
xfs_qm_dquot_logitem_pin(
xfs_dq_logitem_t *logitem)
{
- unsigned long s;
xfs_dquot_t *dqp;
dqp = logitem->qli_dquot;
ASSERT(XFS_DQ_IS_LOCKED(dqp));
- s = XFS_DQ_PINLOCK(dqp);
+ spin_lock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
dqp->q_pincount++;
- XFS_DQ_PINUNLOCK(dqp, s);
+ spin_unlock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
}
/*
@@ -115,17 +114,16 @@ xfs_qm_dquot_logitem_unpin(
xfs_dq_logitem_t *logitem,
int stale)
{
- unsigned long s;
xfs_dquot_t *dqp;
dqp = logitem->qli_dquot;
ASSERT(dqp->q_pincount > 0);
- s = XFS_DQ_PINLOCK(dqp);
+ spin_lock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
dqp->q_pincount--;
if (dqp->q_pincount == 0) {
sv_broadcast(&dqp->q_pinwait);
}
- XFS_DQ_PINUNLOCK(dqp, s);
+ spin_unlock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
}
/* ARGSUSED */
@@ -189,8 +187,6 @@ void
xfs_qm_dqunpin_wait(
xfs_dquot_t *dqp)
{
- SPLDECL(s);
-
ASSERT(XFS_DQ_IS_LOCKED(dqp));
if (dqp->q_pincount == 0) {
return;
@@ -200,9 +196,9 @@ xfs_qm_dqunpin_wait(
* Give the log a push so we don't wait here too long.
*/
xfs_log_force(dqp->q_mount, (xfs_lsn_t)0, XFS_LOG_FORCE);
- s = XFS_DQ_PINLOCK(dqp);
+ spin_lock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
if (dqp->q_pincount == 0) {
- XFS_DQ_PINUNLOCK(dqp, s);
+ spin_unlock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
return;
}
sv_wait(&(dqp->q_pinwait), PINOD,
diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h
index 23ccaa5..023400a 100644
--- a/fs/xfs/quota/xfs_qm.h
+++ b/fs/xfs/quota/xfs_qm.h
@@ -106,7 +106,7 @@ typedef struct xfs_qm {
typedef struct xfs_quotainfo {
xfs_inode_t *qi_uquotaip; /* user quota inode */
xfs_inode_t *qi_gquotaip; /* group quota inode */
- lock_t qi_pinlock; /* dquot pinning mutex */
+ spinlock_t qi_pinlock; /* dquot pinning lock */
xfs_dqlist_t qi_dqlist; /* all dquots in filesys */
int qi_dqreclaims; /* a change here indicates
a removal in the dqlist */
-
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