[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>

2 files changed, 8 insertions, 4 deletions

diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 71bb41019a12..44eb313f22b9 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -230,8 +230,10 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
  * field (see the QCMD macro in quota.h).  These macros help keep the
  * code portable - they are not visible from the syscall interface.
  */
-#define Q_XSETGQLIM     XQM_CMD(0x8)    /* set groups disk limits */
-#define Q_XGETGQUOTA    XQM_CMD(0x9)    /* get groups disk limits */
+#define Q_XSETGQLIM     XQM_CMD(8)      /* set groups disk limits */
+#define Q_XGETGQUOTA    XQM_CMD(9)      /* get groups disk limits */
+#define Q_XSETPQLIM     XQM_CMD(10)     /* set projects disk limits */
+#define Q_XGETPQUOTA    XQM_CMD(11)     /* get projects disk limits */
 
 /* IRIX uses a dynamic sizing algorithm (ndquot = 200 + numprocs*2) */
 /* we may well need to fine-tune this if it ever becomes an issue.  */
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 455e2b2fb964..d5f0340ddcd9 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -701,7 +701,8 @@ linvfs_getxquota(
         struct vfs              *vfsp = LINVFS_GET_VFS(sb);
         int                     error, getmode;
 
-        getmode = (type == GRPQUOTA) ? Q_XGETGQUOTA : Q_XGETQUOTA;
+        getmode = (type == USRQUOTA) ? Q_XGETQUOTA :
+                 ((type == GRPQUOTA) ? Q_XGETGQUOTA : Q_XGETPQUOTA);
         VFS_QUOTACTL(vfsp, getmode, id, (caddr_t)fdq, error);
         return -error;
 }
@@ -716,7 +717,8 @@ linvfs_setxquota(
         struct vfs              *vfsp = LINVFS_GET_VFS(sb);
         int                     error, setmode;
 
-        setmode = (type == GRPQUOTA) ? Q_XSETGQLIM : Q_XSETQLIM;
+        setmode = (type == USRQUOTA) ? Q_XSETQLIM :
+                 ((type == GRPQUOTA) ? Q_XSETGQLIM : Q_XSETPQLIM);
         VFS_QUOTACTL(vfsp, setmode, id, (caddr_t)fdq, error);
         return -error;
 }