1 files changed, 157 insertions, 0 deletions

diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
new file mode 100644
index 000000000000..94d9a633d3d9
--- /dev/null
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2008, Christoph Hellwig
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include "xfs.h"
+#include "xfs_dmapi.h"
+#include "xfs_sb.h"
+#include "xfs_inum.h"
+#include "xfs_ag.h"
+#include "xfs_mount.h"
+#include "xfs_quota.h"
+#include "xfs_log.h"
+#include "xfs_trans.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_inode.h"
+#include "quota/xfs_qm.h"
+#include <linux/quota.h>
+
+
+STATIC int
+xfs_quota_type(int type)
+{
+        switch (type) {
+        case USRQUOTA:
+                return XFS_DQ_USER;
+        case GRPQUOTA:
+                return XFS_DQ_GROUP;
+        default:
+                return XFS_DQ_PROJ;
+        }
+}
+
+STATIC int
+xfs_fs_quota_sync(
+        struct super_block      *sb,
+        int                     type)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        return -xfs_sync_inodes(mp, SYNC_DELWRI);
+}
+
+STATIC int
+xfs_fs_get_xstate(
+        struct super_block      *sb,
+        struct fs_quota_stat    *fqs)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        return -xfs_qm_scall_getqstat(mp, fqs);
+}
+
+STATIC int
+xfs_fs_set_xstate(
+        struct super_block      *sb,
+        unsigned int            uflags,
+        int                     op)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+        unsigned int            flags = 0;
+
+        if (sb->s_flags & MS_RDONLY)
+                return -EROFS;
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        if (!capable(CAP_SYS_ADMIN))
+                return -EPERM;
+
+        if (uflags & XFS_QUOTA_UDQ_ACCT)
+                flags |= XFS_UQUOTA_ACCT;
+        if (uflags & XFS_QUOTA_PDQ_ACCT)
+                flags |= XFS_PQUOTA_ACCT;
+        if (uflags & XFS_QUOTA_GDQ_ACCT)
+                flags |= XFS_GQUOTA_ACCT;
+        if (uflags & XFS_QUOTA_UDQ_ENFD)
+                flags |= XFS_UQUOTA_ENFD;
+        if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD))
+                flags |= XFS_OQUOTA_ENFD;
+
+        switch (op) {
+        case Q_XQUOTAON:
+                return -xfs_qm_scall_quotaon(mp, flags);
+        case Q_XQUOTAOFF:
+                if (!XFS_IS_QUOTA_ON(mp))
+                        return -EINVAL;
+                return -xfs_qm_scall_quotaoff(mp, flags);
+        case Q_XQUOTARM:
+                if (XFS_IS_QUOTA_ON(mp))
+                        return -EINVAL;
+                return -xfs_qm_scall_trunc_qfiles(mp, flags);
+        }
+
+        return -EINVAL;
+}
+
+STATIC int
+xfs_fs_get_xquota(
+        struct super_block      *sb,
+        int                     type,
+        qid_t                   id,
+        struct fs_disk_quota    *fdq)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        if (!XFS_IS_QUOTA_ON(mp))
+                return -ESRCH;
+
+        return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq);
+}
+
+STATIC int
+xfs_fs_set_xquota(
+        struct super_block      *sb,
+        int                     type,
+        qid_t                   id,
+        struct fs_disk_quota    *fdq)
+{
+        struct xfs_mount        *mp = XFS_M(sb);
+
+        if (sb->s_flags & MS_RDONLY)
+                return -EROFS;
+        if (!XFS_IS_QUOTA_RUNNING(mp))
+                return -ENOSYS;
+        if (!XFS_IS_QUOTA_ON(mp))
+                return -ESRCH;
+        if (!capable(CAP_SYS_ADMIN))
+                return -EPERM;
+
+        return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq);
+}
+
+struct quotactl_ops xfs_quotactl_operations = {
+        .quota_sync             = xfs_fs_quota_sync,
+        .get_xstate             = xfs_fs_get_xstate,
+        .set_xstate             = xfs_fs_set_xstate,
+        .get_xquota             = xfs_fs_get_xquota,
+        .set_xquota             = xfs_fs_set_xquota,
+};