[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_quota.h b/fs/xfs/xfs_quota.h
index 703ec4e..341cb46 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -96,7 +96,7 @@
* flags for q_flags field in the dquot.
*/
#define XFS_DQ_USER 0x0001 /* a user quota */
-/* #define XFS_DQ_PROJ 0x0002 -- project quota (IRIX) */
+#define XFS_DQ_PROJ 0x0002 /* project quota */
#define XFS_DQ_GROUP 0x0004 /* a group quota */
#define XFS_DQ_FLOCKED 0x0008 /* flush lock taken */
#define XFS_DQ_DIRTY 0x0010 /* dquot is dirty */
@@ -104,6 +104,8 @@
#define XFS_DQ_INACTIVE 0x0040 /* dq off mplist & hashlist */
#define XFS_DQ_MARKER 0x0080 /* sentinel */
+#define XFS_DQ_ALLTYPES (XFS_DQ_USER|XFS_DQ_PROJ|XFS_DQ_GROUP)
+
/*
* In the worst case, when both user and group quotas are on,
* we can have a max of three dquots changing in a single transaction.
@@ -124,7 +126,7 @@
typedef struct xfs_dq_logformat {
__uint16_t qlf_type; /* dquot log item type */
__uint16_t qlf_size; /* size of this item */
- xfs_dqid_t qlf_id; /* usr/grp id number : 32 bits */
+ xfs_dqid_t qlf_id; /* usr/grp/proj id : 32 bits */
__int64_t qlf_blkno; /* blkno of dquot buffer */
__int32_t qlf_len; /* len of dquot buffer */
__uint32_t qlf_boffset; /* off of dquot in buffer */
@@ -152,9 +154,9 @@
#define XFS_UQUOTA_ACCT 0x0001 /* user quota accounting ON */
#define XFS_UQUOTA_ENFD 0x0002 /* user quota limits enforced */
#define XFS_UQUOTA_CHKD 0x0004 /* quotacheck run on usr quotas */
-#define XFS_PQUOTA_ACCT 0x0008 /* (IRIX) project quota accounting ON */
-#define XFS_GQUOTA_ENFD 0x0010 /* group quota limits enforced */
-#define XFS_GQUOTA_CHKD 0x0020 /* quotacheck run on grp quotas */
+#define XFS_PQUOTA_ACCT 0x0008 /* project quota accounting ON */
+#define XFS_OQUOTA_ENFD 0x0010 /* other (grp/prj) quota limits enforced */
+#define XFS_OQUOTA_CHKD 0x0020 /* quotacheck run on other (grp/prj) quotas */
#define XFS_GQUOTA_ACCT 0x0040 /* group quota accounting ON */
/*
@@ -162,17 +164,22 @@
* are in the process of getting turned off. These flags are in m_qflags but
* never in sb_qflags.
*/
-#define XFS_UQUOTA_ACTIVE 0x0080 /* uquotas are being turned off */
-#define XFS_GQUOTA_ACTIVE 0x0100 /* gquotas are being turned off */
+#define XFS_UQUOTA_ACTIVE 0x0100 /* uquotas are being turned off */
+#define XFS_PQUOTA_ACTIVE 0x0200 /* pquotas are being turned off */
+#define XFS_GQUOTA_ACTIVE 0x0400 /* gquotas are being turned off */
/*
* Checking XFS_IS_*QUOTA_ON() while holding any inode lock guarantees
* quota will be not be switched off as long as that inode lock is held.
*/
#define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & (XFS_UQUOTA_ACTIVE | \
- XFS_GQUOTA_ACTIVE))
+ XFS_GQUOTA_ACTIVE | \
+ XFS_PQUOTA_ACTIVE))
+#define XFS_IS_OQUOTA_ON(mp) ((mp)->m_qflags & (XFS_GQUOTA_ACTIVE | \
+ XFS_PQUOTA_ACTIVE))
#define XFS_IS_UQUOTA_ON(mp) ((mp)->m_qflags & XFS_UQUOTA_ACTIVE)
#define XFS_IS_GQUOTA_ON(mp) ((mp)->m_qflags & XFS_GQUOTA_ACTIVE)
+#define XFS_IS_PQUOTA_ON(mp) ((mp)->m_qflags & XFS_PQUOTA_ACTIVE)
/*
* Flags to tell various functions what to do. Not all of these are meaningful
@@ -182,7 +189,7 @@
#define XFS_QMOPT_DQLOCK 0x0000001 /* dqlock */
#define XFS_QMOPT_DQALLOC 0x0000002 /* alloc dquot ondisk if needed */
#define XFS_QMOPT_UQUOTA 0x0000004 /* user dquot requested */
-#define XFS_QMOPT_GQUOTA 0x0000008 /* group dquot requested */
+#define XFS_QMOPT_PQUOTA 0x0000008 /* project dquot requested */
#define XFS_QMOPT_FORCE_RES 0x0000010 /* ignore quota limits */
#define XFS_QMOPT_DQSUSER 0x0000020 /* don't cache super users dquot */
#define XFS_QMOPT_SBVERSION 0x0000040 /* change superblock version num */
@@ -192,6 +199,7 @@
#define XFS_QMOPT_DOWARN 0x0000400 /* increase warning cnt if necessary */
#define XFS_QMOPT_ILOCKED 0x0000800 /* inode is already locked (excl) */
#define XFS_QMOPT_DQREPAIR 0x0001000 /* repair dquot, if damaged. */
+#define XFS_QMOPT_GQUOTA 0x0002000 /* group dquot requested */
/*
* flags to xfs_trans_mod_dquot to indicate which field needs to be
@@ -231,7 +239,8 @@
#define XFS_TRANS_DQ_DELRTBCOUNT XFS_QMOPT_DELRTBCOUNT
-#define XFS_QMOPT_QUOTALL (XFS_QMOPT_UQUOTA|XFS_QMOPT_GQUOTA)
+#define XFS_QMOPT_QUOTALL \
+ (XFS_QMOPT_UQUOTA | XFS_QMOPT_PQUOTA | XFS_QMOPT_GQUOTA)
#define XFS_QMOPT_RESBLK_MASK (XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_RES_RTBLKS)
#ifdef __KERNEL__
@@ -246,21 +255,33 @@
*/
#define XFS_NOT_DQATTACHED(mp, ip) ((XFS_IS_UQUOTA_ON(mp) &&\
(ip)->i_udquot == NULL) || \
- (XFS_IS_GQUOTA_ON(mp) && \
+ (XFS_IS_OQUOTA_ON(mp) && \
(ip)->i_gdquot == NULL))
-#define XFS_QM_NEED_QUOTACHECK(mp) ((XFS_IS_UQUOTA_ON(mp) && \
- (mp->m_sb.sb_qflags & \
- XFS_UQUOTA_CHKD) == 0) || \
- (XFS_IS_GQUOTA_ON(mp) && \
- (mp->m_sb.sb_qflags & \
- XFS_GQUOTA_CHKD) == 0))
+#define XFS_QM_NEED_QUOTACHECK(mp) \
+ ((XFS_IS_UQUOTA_ON(mp) && \
+ (mp->m_sb.sb_qflags & XFS_UQUOTA_CHKD) == 0) || \
+ (XFS_IS_GQUOTA_ON(mp) && \
+ ((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \
+ (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT))) || \
+ (XFS_IS_PQUOTA_ON(mp) && \
+ ((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \
+ (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT))))
+
+#define XFS_MOUNT_QUOTA_SET1 (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\
+ XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\
+ XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD)
+
+#define XFS_MOUNT_QUOTA_SET2 (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\
+ XFS_UQUOTA_CHKD|XFS_GQUOTA_ACCT|\
+ XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD)
#define XFS_MOUNT_QUOTA_ALL (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\
- XFS_UQUOTA_CHKD|XFS_GQUOTA_ACCT|\
- XFS_GQUOTA_ENFD|XFS_GQUOTA_CHKD)
+ XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\
+ XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD|\
+ XFS_GQUOTA_ACCT)
#define XFS_MOUNT_QUOTA_MASK (XFS_MOUNT_QUOTA_ALL | XFS_UQUOTA_ACTIVE | \
- XFS_GQUOTA_ACTIVE)
+ XFS_GQUOTA_ACTIVE | XFS_PQUOTA_ACTIVE)
/*