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authorEric Sandeen <sandeen@sandeen.net>2007-10-11 17:42:32 +1000
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-02-07 16:47:15 +1100
commit3685c2a1d773781608c9e281a6ff6b4c8ea8f6f9 (patch)
treef3d3a45002e64c8204de0db66bad2db1b73b5844 /fs/xfs/quota
parentba74d0cba51dcaa99e4dc2e4fb62e6e13abbf703 (diff)
[XFS] Unwrap XFS_SB_LOCK.
Un-obfuscate XFS_SB_LOCK, remove XFS_SB_LOCK->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:29746a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'fs/xfs/quota')
-rw-r--r--fs/xfs/quota/xfs_qm.c12
-rw-r--r--fs/xfs/quota/xfs_qm_syscalls.c19
2 files changed, 13 insertions, 18 deletions
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index d488645f833d..08b44758035e 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -310,7 +310,6 @@ xfs_qm_mount_quotas(
xfs_mount_t *mp,
int mfsi_flags)
{
- unsigned long s;
int error = 0;
uint sbf;
@@ -367,13 +366,13 @@ xfs_qm_mount_quotas(
write_changes:
/*
- * We actually don't have to acquire the SB_LOCK at all.
+ * We actually don't have to acquire the m_sb_lock at all.
* This can only be called from mount, and that's single threaded. XXX
*/
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
sbf = mp->m_sb.sb_qflags;
mp->m_sb.sb_qflags = mp->m_qflags & XFS_MOUNT_QUOTA_ALL;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
if (sbf != (mp->m_qflags & XFS_MOUNT_QUOTA_ALL)) {
if (xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS)) {
@@ -1370,7 +1369,6 @@ xfs_qm_qino_alloc(
{
xfs_trans_t *tp;
int error;
- unsigned long s;
int committed;
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QINOCREATE);
@@ -1402,7 +1400,7 @@ xfs_qm_qino_alloc(
* sbfields arg may contain fields other than *QUOTINO;
* VERSIONNUM for example.
*/
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
if (flags & XFS_QMOPT_SBVERSION) {
#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
unsigned oldv = mp->m_sb.sb_versionnum;
@@ -1429,7 +1427,7 @@ xfs_qm_qino_alloc(
mp->m_sb.sb_uquotino = (*ip)->i_ino;
else
mp->m_sb.sb_gquotino = (*ip)->i_ino;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, sbfields);
if ((error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES))) {
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index ad5579d4eac4..2cc5886cfe85 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -200,7 +200,6 @@ xfs_qm_scall_quotaoff(
boolean_t force)
{
uint dqtype;
- unsigned long s;
int error;
uint inactivate_flags;
xfs_qoff_logitem_t *qoffstart;
@@ -237,9 +236,9 @@ xfs_qm_scall_quotaoff(
if ((flags & XFS_ALL_QUOTA_ACCT) == 0) {
mp->m_qflags &= ~(flags);
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
mp->m_sb.sb_qflags = mp->m_qflags;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
/* XXX what to do if error ? Revert back to old vals incore ? */
@@ -415,7 +414,6 @@ xfs_qm_scall_quotaon(
uint flags)
{
int error;
- unsigned long s;
uint qf;
uint accflags;
__int64_t sbflags;
@@ -468,10 +466,10 @@ xfs_qm_scall_quotaon(
* Change sb_qflags on disk but not incore mp->qflags
* if this is the root filesystem.
*/
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
qf = mp->m_sb.sb_qflags;
mp->m_sb.sb_qflags = qf | flags;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
/*
* There's nothing to change if it's the same.
@@ -815,7 +813,6 @@ xfs_qm_log_quotaoff(
{
xfs_trans_t *tp;
int error;
- unsigned long s;
xfs_qoff_logitem_t *qoffi=NULL;
uint oldsbqflag=0;
@@ -832,10 +829,10 @@ xfs_qm_log_quotaoff(
qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT);
xfs_trans_log_quotaoff_item(tp, qoffi);
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
oldsbqflag = mp->m_sb.sb_qflags;
mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, XFS_SB_QFLAGS);
@@ -854,9 +851,9 @@ error0:
* No one else is modifying sb_qflags, so this is OK.
* We still hold the quotaofflock.
*/
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
mp->m_sb.sb_qflags = oldsbqflag;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
}
*qoffstartp = qoffi;
return (error);