1 files changed, 34 insertions, 7 deletions

diff --git a/fs/xfs/quota/xfs_qm_bhv.c b/fs/xfs/quota/xfs_qm_bhv.c
index 09b1171dfb83..dc3c37a1e158 100644
--- a/fs/xfs/quota/xfs_qm_bhv.c
+++ b/fs/xfs/quota/xfs_qm_bhv.c
@@ -71,10 +71,13 @@
 #define MNTOPT_NOQUOTA  "noquota"       /* no quotas */
 #define MNTOPT_USRQUOTA "usrquota"      /* user quota enabled */
 #define MNTOPT_GRPQUOTA "grpquota"      /* group quota enabled */
+#define MNTOPT_PRJQUOTA "prjquota"      /* project quota enabled */
 #define MNTOPT_UQUOTA   "uquota"        /* user quota (IRIX variant) */
 #define MNTOPT_GQUOTA   "gquota"        /* group quota (IRIX variant) */
+#define MNTOPT_PQUOTA   "pquota"        /* project quota (IRIX variant) */
 #define MNTOPT_UQUOTANOENF "uqnoenforce"/* user quota limit enforcement */
 #define MNTOPT_GQUOTANOENF "gqnoenforce"/* group quota limit enforcement */
+#define MNTOPT_PQUOTANOENF "pqnoenforce"/* project quota limit enforcement */
 #define MNTOPT_QUOTANOENF  "qnoenforce" /* same as uqnoenforce */
 
 STATIC int
@@ -109,6 +112,14 @@ xfs_qm_parseargs(
                         args->flags |= XFSMNT_UQUOTA;
                         args->flags &= ~XFSMNT_UQUOTAENF;
                         referenced = 1;
+                } else if (!strcmp(this_char, MNTOPT_PQUOTA) ||
+                           !strcmp(this_char, MNTOPT_PRJQUOTA)) {
+                        args->flags |= XFSMNT_PQUOTA | XFSMNT_PQUOTAENF;
+                        referenced = 1;
+                } else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) {
+                        args->flags |= XFSMNT_PQUOTA;
+                        args->flags &= ~XFSMNT_PQUOTAENF;
+                        referenced = 1;
                 } else if (!strcmp(this_char, MNTOPT_GQUOTA) ||
                            !strcmp(this_char, MNTOPT_GRPQUOTA)) {
                         args->flags |= XFSMNT_GQUOTA | XFSMNT_GQUOTAENF;
@@ -127,6 +138,12 @@ xfs_qm_parseargs(
                         *this_char++ = ',';
         }
 
+        if ((args->flags & XFSMNT_GQUOTA) && (args->flags & XFSMNT_PQUOTA)) {
+                cmn_err(CE_WARN,
+                        "XFS: cannot mount with both project and group quota");
+                return XFS_ERROR(EINVAL);
+        }
+
         PVFS_PARSEARGS(BHV_NEXT(bhv), options, args, update, error);
         if (!error && !referenced)
                 bhv_remove_vfsops(bhvtovfs(bhv), VFS_POSITION_QM);
@@ -148,13 +165,19 @@ xfs_qm_showargs(
                         seq_puts(m, "," MNTOPT_UQUOTANOENF);
         }
 
+        if (mp->m_qflags & XFS_PQUOTA_ACCT) {
+                (mp->m_qflags & XFS_OQUOTA_ENFD) ?
+                        seq_puts(m, "," MNTOPT_PRJQUOTA) :
+                        seq_puts(m, "," MNTOPT_PQUOTANOENF);
+        }
+
         if (mp->m_qflags & XFS_GQUOTA_ACCT) {
-                (mp->m_qflags & XFS_GQUOTA_ENFD) ?
+                (mp->m_qflags & XFS_OQUOTA_ENFD) ?
                         seq_puts(m, "," MNTOPT_GRPQUOTA) :
                         seq_puts(m, "," MNTOPT_GQUOTANOENF);
         }
 
-        if (!(mp->m_qflags & (XFS_UQUOTA_ACCT|XFS_GQUOTA_ACCT)))
+        if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT))
                 seq_puts(m, "," MNTOPT_NOQUOTA);
 
         PVFS_SHOWARGS(BHV_NEXT(bhv), m, error);
@@ -171,7 +194,7 @@ xfs_qm_mount(
         struct xfs_mount        *mp = XFS_VFSTOM(vfsp);
         int                     error;
 
-        if (args->flags & (XFSMNT_UQUOTA | XFSMNT_GQUOTA))
+        if (args->flags & (XFSMNT_UQUOTA | XFSMNT_GQUOTA | XFSMNT_PQUOTA))
                 xfs_qm_mount_quotainit(mp, args->flags);
         PVFS_MOUNT(BHV_NEXT(bhv), args, cr, error);
         return error;
@@ -255,16 +278,17 @@ xfs_qm_newmount(
         uint            *quotaflags)
 {
         uint            quotaondisk;
-        uint            uquotaondisk = 0, gquotaondisk = 0;
+        uint            uquotaondisk = 0, gquotaondisk = 0, pquotaondisk = 0;
 
         *quotaflags = 0;
         *needquotamount = B_FALSE;
 
         quotaondisk = XFS_SB_VERSION_HASQUOTA(&mp->m_sb) &&
-                mp->m_sb.sb_qflags & (XFS_UQUOTA_ACCT|XFS_GQUOTA_ACCT);
+                                (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_ACCT);
 
         if (quotaondisk) {
                 uquotaondisk = mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT;
+                pquotaondisk = mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT;
                 gquotaondisk = mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT;
         }
 
@@ -277,13 +301,16 @@ xfs_qm_newmount(
 
         if (((uquotaondisk && !XFS_IS_UQUOTA_ON(mp)) ||
             (!uquotaondisk &&  XFS_IS_UQUOTA_ON(mp)) ||
+             (pquotaondisk && !XFS_IS_PQUOTA_ON(mp)) ||
+            (!pquotaondisk &&  XFS_IS_PQUOTA_ON(mp)) ||
              (gquotaondisk && !XFS_IS_GQUOTA_ON(mp)) ||
-            (!gquotaondisk &&  XFS_IS_GQUOTA_ON(mp)))  &&
+            (!gquotaondisk &&  XFS_IS_OQUOTA_ON(mp)))  &&
             xfs_dev_is_read_only(mp, "changing quota state")) {
                 cmn_err(CE_WARN,
-                        "XFS: please mount with%s%s%s.",
+                        "XFS: please mount with%s%s%s%s.",
                         (!quotaondisk ? "out quota" : ""),
                         (uquotaondisk ? " usrquota" : ""),
+                        (pquotaondisk ? " prjquota" : ""),
                         (gquotaondisk ? " grpquota" : ""));
                 return XFS_ERROR(EPERM);
         }