imported original firmware WRT54GL_v4.30.11_11_US

1 files changed, 199 insertions, 0 deletions

diff --git a/release/src/linux/linux/include/linux/quota.h b/release/src/linux/linux/include/linux/quota.h
new file mode 100644
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+++ b/release/src/linux/linux/include/linux/quota.h
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+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Robert Elz at The University of Melbourne.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *   This product includes software developed by the University of
+ *   California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Version: $Id: quota.h,v 1.1.1.4 2003/10/14 08:09:26 sparq Exp $
+ */
+
+#ifndef _LINUX_QUOTA_
+#define _LINUX_QUOTA_
+
+#include <linux/errno.h>
+
+/*
+ * Convert diskblocks to blocks and the other way around.
+ */
+#define dbtob(num) (num << BLOCK_SIZE_BITS)
+#define btodb(num) (num >> BLOCK_SIZE_BITS)
+
+/*
+ * Convert count of filesystem blocks to diskquota blocks, meant
+ * for filesystems where i_blksize != BLOCK_SIZE
+ */
+#define fs_to_dq_blocks(num, blksize) (((num) * (blksize)) / BLOCK_SIZE)
+
+/*
+ * Definitions for disk quotas imposed on the average user
+ * (big brother finally hits Linux).
+ *
+ * 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 */
+
+#define MAXQUOTAS 2
+#define USRQUOTA  0		/* element used for user quotas */
+#define GRPQUOTA  1		/* element used for group quotas */
+
+/*
+ * Definitions for the default names of the quotas files.
+ */
+#define INITQFNAMES { \
+	"user",    /* USRQUOTA */ \
+	"group",   /* GRPQUOTA */ \
+	"undefined", \
+};
+
+#define QUOTAFILENAME "quota"
+#define QUOTAGROUP "staff"
+
+/*
+ * Command definitions for the 'quotactl' system call.
+ * The commands are broken into a main command defined below
+ * and a subcommand that is used to convey the type of
+ * quota that is being manipulated (see above).
+ */
+#define SUBCMDMASK  0x00ff
+#define SUBCMDSHIFT 8
+#define QCMD(cmd, type)  (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
+
+#define Q_QUOTAON  0x0100	/* enable quotas */
+#define Q_QUOTAOFF 0x0200	/* disable quotas */
+#define Q_GETQUOTA 0x0300	/* get limits and usage */
+#define Q_SETQUOTA 0x0400	/* set limits and usage */
+#define Q_SETUSE   0x0500	/* set usage */
+#define Q_SYNC     0x0600	/* sync disk copy of a filesystems quotas */
+#define Q_SETQLIM  0x0700	/* set limits */
+#define Q_GETSTATS 0x0800	/* get collected stats */
+#define Q_RSQUASH  0x1000	/* set root_squash option */
+
+/*
+ * 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 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 */
+};
+
+/*
+ * Shorthand notation.
+ */
+#define	dq_bhardlimit	dq_dqb.dqb_bhardlimit
+#define	dq_bsoftlimit	dq_dqb.dqb_bsoftlimit
+#define	dq_curblocks	dq_dqb.dqb_curblocks
+#define	dq_ihardlimit	dq_dqb.dqb_ihardlimit
+#define	dq_isoftlimit	dq_dqb.dqb_isoftlimit
+#define	dq_curinodes	dq_dqb.dqb_curinodes
+#define	dq_btime	dq_dqb.dqb_btime
+#define	dq_itime	dq_dqb.dqb_itime
+
+#define dqoff(UID)      ((loff_t)((UID) * sizeof (struct dqblk)))
+
+struct dqstats {
+	__u32 lookups;
+	__u32 drops;
+	__u32 reads;
+	__u32 writes;
+	__u32 cache_hits;
+	__u32 allocated_dquots;
+	__u32 free_dquots;
+	__u32 syncs;
+};
+
+#ifdef __KERNEL__
+
+extern int nr_dquots, nr_free_dquots;
+extern int dquot_root_squash;
+
+#define NR_DQHASH 43            /* Just an arbitrary number */
+
+#define DQ_LOCKED     0x01	/* dquot under IO */
+#define DQ_MOD        0x02	/* dquot modified since read */
+#define DQ_BLKS       0x10	/* uid/gid has been warned about blk limit */
+#define DQ_INODES     0x20	/* uid/gid has been warned about inode limit */
+#define DQ_FAKE       0x40	/* no limits only usage */
+#define DQ_INVAL      0x80	/* dquot is going to be invalidated */
+
+struct dquot {
+	struct list_head dq_hash;	/* Hash list in memory */
+	struct list_head dq_inuse;	/* List of all quotas */
+	struct list_head dq_free;	/* Free list element */
+	wait_queue_head_t dq_wait_lock;	/* Pointer to waitqueue on dquot lock */
+	wait_queue_head_t dq_wait_free;	/* Pointer to waitqueue for quota to be unused */
+	int dq_count;			/* Reference count */
+
+	/* fields after this point are cleared when invalidating */
+	struct super_block *dq_sb;	/* superblock this applies to */
+	unsigned int dq_id;		/* ID this applies to (uid, gid) */
+	kdev_t dq_dev;			/* Device this applies to */
+	short dq_type;			/* Type of quota */
+	short dq_flags;			/* See DQ_* */
+	unsigned long dq_referenced;	/* Number of times this dquot was 
+					   referenced during its lifetime */
+	struct dqblk dq_dqb;		/* Diskquota usage */
+};
+
+#define NODQUOT (struct dquot *)NULL
+
+/*
+ * Flags used for set_dqblk.
+ */
+#define SET_QUOTA         0x02
+#define SET_USE           0x04
+#define SET_QLIMIT        0x08
+
+#define QUOTA_OK          0
+#define NO_QUOTA          1
+
+#else
+
+# /* nodep */ include <sys/cdefs.h>
+
+__BEGIN_DECLS
+long quotactl __P ((int, const char *, int, caddr_t));
+__END_DECLS
+
+#endif /* __KERNEL__ */
+#endif /* _QUOTA_ */