[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/fs/gfs2/quota.h b/ap/os/linux/linux-3.4.x/fs/gfs2/quota.h
new file mode 100644
index 0000000..90bf1c3
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/gfs2/quota.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
+ * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License version 2.
+ */
+
+#ifndef __QUOTA_DOT_H__
+#define __QUOTA_DOT_H__
+
+struct gfs2_inode;
+struct gfs2_sbd;
+struct shrink_control;
+
+#define NO_QUOTA_CHANGE ((u32)-1)
+
+extern int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_unhold(struct gfs2_inode *ip);
+
+extern int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_unlock(struct gfs2_inode *ip);
+
+extern int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
+			      u32 uid, u32 gid);
+
+extern int gfs2_quota_sync(struct super_block *sb, int type, int wait);
+extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
+
+extern int gfs2_quota_init(struct gfs2_sbd *sdp);
+extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
+extern int gfs2_quotad(void *data);
+
+extern void gfs2_wake_up_statfs(struct gfs2_sbd *sdp);
+
+static inline int gfs2_quota_lock_check(struct gfs2_inode *ip)
+{
+	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
+	int ret;
+	if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
+		return 0;
+	ret = gfs2_quota_lock(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
+	if (ret)
+		return ret;
+	if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
+		return 0;
+	ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid);
+	if (ret)
+		gfs2_quota_unlock(ip);
+	return ret;
+}
+
+extern int gfs2_shrink_qd_memory(struct shrinker *shrink,
+				 struct shrink_control *sc);
+extern const struct quotactl_ops gfs2_quotactl_ops;
+
+#endif /* __QUOTA_DOT_H__ */