zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/fs/xfs/xfs_quotaops.c b/ap/os/linux/linux-3.4.x/fs/xfs/xfs_quotaops.c
new file mode 100644
index 0000000..7e76f53
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/xfs/xfs_quotaops.c
@@ -0,0 +1,139 @@
+/*
+ * 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_sb.h"
+#include "xfs_inum.h"
+#include "xfs_log.h"
+#include "xfs_ag.h"
+#include "xfs_mount.h"
+#include "xfs_quota.h"
+#include "xfs_trans.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_inode.h"
+#include "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_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 (op != Q_XQUOTARM && !XFS_IS_QUOTA_RUNNING(mp))
+ return -ENOSYS;
+
+ if (uflags & FS_QUOTA_UDQ_ACCT)
+ flags |= XFS_UQUOTA_ACCT;
+ if (uflags & FS_QUOTA_PDQ_ACCT)
+ flags |= XFS_PQUOTA_ACCT;
+ if (uflags & FS_QUOTA_GDQ_ACCT)
+ flags |= XFS_GQUOTA_ACCT;
+ if (uflags & FS_QUOTA_UDQ_ENFD)
+ flags |= XFS_UQUOTA_ENFD;
+ if (uflags & (FS_QUOTA_PDQ_ENFD|FS_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_dqblk(
+ 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_dqblk(
+ 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;
+
+ return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq);
+}
+
+const struct quotactl_ops xfs_quotactl_operations = {
+ .get_xstate = xfs_fs_get_xstate,
+ .set_xstate = xfs_fs_set_xstate,
+ .get_dqblk = xfs_fs_get_dqblk,
+ .set_dqblk = xfs_fs_set_dqblk,
+};