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Define a new function xfs_this_quota_on() 

Create a new function xfs_this_quota_on() that takes a xfs_mount
data structure and a disk quota type and returns true if the specified
type of quota is ON in the xfs_mount data structure.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Chandra Seetharaman 2012-01-23 17:31:25 +00:00 committed by Ben Myers
parent b995730845
commit 6967b964c1
2 changed files with 15 additions and 6 deletions
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4
fs/xfs/xfs_dquot.c
View File

@ -358,7 +358,7 @@ xfs_qm_dqalloc(
* Return if this type of quotas is turned off while we didn't
* have an inode lock
*/
if (XFS_IS_THIS_QUOTA_OFF(dqp)) {
if (!xfs_this_quota_on(dqp->q_mount, dqp->dq_flags)) {
xfs_iunlock(quotip, XFS_ILOCK_EXCL);
return (ESRCH);
}
@ -460,7 +460,7 @@ xfs_qm_dqtobp(
dqp->q_fileoffset = (xfs_fileoff_t)id / mp->m_quotainfo->qi_dqperchunk;
xfs_ilock(quotip, XFS_ILOCK_SHARED);
if (XFS_IS_THIS_QUOTA_OFF(dqp)) {
if (!xfs_this_quota_on(dqp->q_mount, dqp->dq_flags)) {
/*
* Return if this type of quotas is turned off while we
* didn't have the quota inode lock.

17
fs/xfs/xfs_dquot.h
View File

@ -115,6 +115,19 @@ static inline void xfs_dqunlock_nonotify(struct xfs_dquot *dqp)
mutex_unlock(&dqp->q_qlock);
}
static inline int xfs_this_quota_on(struct xfs_mount *mp, int type)
{
switch (type & XFS_DQ_ALLTYPES) {
case XFS_DQ_USER:
return XFS_IS_UQUOTA_ON(mp);
case XFS_DQ_GROUP:
case XFS_DQ_PROJ:
return XFS_IS_OQUOTA_ON(mp);
default:
return 0;
}
}
#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)
@ -125,10 +138,6 @@ static inline void xfs_dqunlock_nonotify(struct xfs_dquot *dqp)
XFS_DQ_TO_QINF(dqp)->qi_uquotaip : \
XFS_DQ_TO_QINF(dqp)->qi_gquotaip)
#define XFS_IS_THIS_QUOTA_OFF(d) (! (XFS_QM_ISUDQ(d) ? \
(XFS_IS_UQUOTA_ON((d)->q_mount)) : \
(XFS_IS_OQUOTA_ON((d)->q_mount))))
extern int xfs_qm_dqread(struct xfs_mount *, xfs_dqid_t, uint,
uint, struct xfs_dquot **);
extern void xfs_qm_dqdestroy(xfs_dquot_t *);