[XFS] Add support for project quota, based on Dan Knappes earlier work.
SGI-PV: 932952
SGI-Modid: xfs-linux:xfs-kern:22805a
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 5703783..695978b 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -351,21 +351,28 @@
* If the IDs do change before we take the ilock, we're covered
* because the i_*dquot fields will get updated anyway.
*/
- if (XFS_IS_QUOTA_ON(mp) && (mask & (XFS_AT_UID|XFS_AT_GID))) {
+ if (XFS_IS_QUOTA_ON(mp) &&
+ (mask & (XFS_AT_UID|XFS_AT_GID|XFS_AT_PROJID))) {
uint qflags = 0;
- if (mask & XFS_AT_UID) {
+ if ((mask & XFS_AT_UID) && XFS_IS_UQUOTA_ON(mp)) {
uid = vap->va_uid;
qflags |= XFS_QMOPT_UQUOTA;
} else {
uid = ip->i_d.di_uid;
}
- if (mask & XFS_AT_GID) {
+ if ((mask & XFS_AT_GID) && XFS_IS_GQUOTA_ON(mp)) {
gid = vap->va_gid;
qflags |= XFS_QMOPT_GQUOTA;
} else {
gid = ip->i_d.di_gid;
}
+ if ((mask & XFS_AT_PROJID) && XFS_IS_PQUOTA_ON(mp)) {
+ projid = vap->va_projid;
+ qflags |= XFS_QMOPT_PQUOTA;
+ } else {
+ projid = ip->i_d.di_projid;
+ }
/*
* We take a reference when we initialize udqp and gdqp,
* so it is important that we never blindly double trip on
@@ -373,7 +380,8 @@
*/
ASSERT(udqp == NULL);
ASSERT(gdqp == NULL);
- code = XFS_QM_DQVOPALLOC(mp, ip, uid,gid, qflags, &udqp, &gdqp);
+ code = XFS_QM_DQVOPALLOC(mp, ip, uid, gid, projid, qflags,
+ &udqp, &gdqp);
if (code)
return (code);
}
@@ -510,10 +518,11 @@
goto error_return;
}
/*
- * Do a quota reservation only if uid or gid is actually
+ * Do a quota reservation only if uid/projid/gid is actually
* going to change.
*/
if ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) ||
+ (XFS_IS_PQUOTA_ON(mp) && iprojid != projid) ||
(XFS_IS_GQUOTA_ON(mp) && igid != gid)) {
ASSERT(tp);
code = XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, udqp, gdqp,
@@ -774,6 +783,7 @@
}
if (igid != gid) {
if (XFS_IS_GQUOTA_ON(mp)) {
+ ASSERT(!XFS_IS_PQUOTA_ON(mp));
ASSERT(mask & XFS_AT_GID);
ASSERT(gdqp);
olddquot2 = XFS_QM_DQVOPCHOWN(mp, tp, ip,
@@ -782,6 +792,13 @@
ip->i_d.di_gid = gid;
}
if (iprojid != projid) {
+ if (XFS_IS_PQUOTA_ON(mp)) {
+ ASSERT(!XFS_IS_GQUOTA_ON(mp));
+ ASSERT(mask & XFS_AT_PROJID);
+ ASSERT(gdqp);
+ olddquot2 = XFS_QM_DQVOPCHOWN(mp, tp, ip,
+ &ip->i_gdquot, gdqp);
+ }
ip->i_d.di_projid = projid;
/*
* We may have to rev the inode as well as
@@ -1907,7 +1924,7 @@
* Make sure that we have allocated dquot(s) on disk.
*/
error = XFS_QM_DQVOPALLOC(mp, dp,
- current_fsuid(credp), current_fsgid(credp),
+ current_fsuid(credp), current_fsgid(credp), prid,
XFS_QMOPT_QUOTALL|XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
@@ -2812,7 +2829,7 @@
* Make sure that we have allocated dquot(s) on disk.
*/
error = XFS_QM_DQVOPALLOC(mp, dp,
- current_fsuid(credp), current_fsgid(credp),
+ current_fsuid(credp), current_fsgid(credp), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
@@ -3366,7 +3383,7 @@
* Make sure that we have allocated dquot(s) on disk.
*/
error = XFS_QM_DQVOPALLOC(mp, dp,
- current_fsuid(credp), current_fsgid(credp),
+ current_fsuid(credp), current_fsgid(credp), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;