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diff --git a/fs/quotaio_v1.h b/fs/quotaio_v1.h
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+#ifndef _LINUX_QUOTAIO_V1_H
+#define _LINUX_QUOTAIO_V1_H
+
+#include <linux/types.h>
+
+/*
+ * The following constants define the amount of time given a user
+ * before the soft limits are treated as hard limits (usually resulting
+ * in an allocation failure). The timer is started when the user crosses
+ * their soft limit, it is reset when they go below their soft limit.
+ */
+#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
+#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */
+
+/*
+ * The following structure defines the format of the disk quota file
+ * (as it appears on disk) - the file is an array of these structures
+ * indexed by user or group number.
+ */
+struct v1_disk_dqblk {
+ __u32 dqb_bhardlimit; /* absolute limit on disk blks alloc */
+ __u32 dqb_bsoftlimit; /* preferred limit on disk blks */
+ __u32 dqb_curblocks; /* current block count */
+ __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */
+ __u32 dqb_isoftlimit; /* preferred inode limit */
+ __u32 dqb_curinodes; /* current # allocated inodes */
+ time_t dqb_btime; /* time limit for excessive disk use */
+ time_t dqb_itime; /* time limit for excessive inode use */
+};
+
+#define v1_dqoff(UID) ((loff_t)((UID) * sizeof (struct v1_disk_dqblk)))
+
+#endif /* _LINUX_QUOTAIO_V1_H */