patch-2.4.25 linux-2.4.25/fs/xfs/xfs_itable.h

• Lines: 111
• Date: 2004-02-18 05:36:32.000000000 -0800
• Orig file: linux-2.4.24/fs/xfs/xfs_itable.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.24/fs/xfs/xfs_itable.h linux-2.4.25/fs/xfs/xfs_itable.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 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.
+ *
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like.  Any license provided herein, whether implied or
+ * otherwise, applies only to this software file.  Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA  94043, or:
+ *
+ * http://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
+ * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ */
+#ifndef __XFS_ITABLE_H__
+#define	__XFS_ITABLE_H__
+
+/*
+ * xfs_bulkstat() is used to fill in xfs_bstat structures as well as dm_stat
+ * structures (by the dmi library). This is a pointer to a formatter function
+ * that will iget the inode and fill in the appropriate structure.
+ * see xfs_bulkstat_one() and xfs_dm_bulkstat_one() in dmapi_xfs.c
+ */
+typedef int (*bulkstat_one_pf)(struct xfs_mount	*mp,
+			       struct xfs_trans	*tp,
+			       xfs_ino_t	ino,
+			       void		*buffer,
+			       int		ubsize,
+			       void		*private_data,
+			       xfs_daddr_t	bno,
+			       int		*ubused,
+			       void		*dip,
+			       int		*stat);
+
+/*
+ * Values for stat return value.
+ */
+#define	BULKSTAT_RV_NOTHING	0
+#define	BULKSTAT_RV_DIDONE	1
+#define	BULKSTAT_RV_GIVEUP	2
+
+/*
+ * Values for bulkstat flag argument.
+ */
+#define	BULKSTAT_FG_IGET	0x1	/* Go through the buffer cache */
+#define	BULKSTAT_FG_QUICK	0x2	/* No iget, walk the dinode cluster */
+#define BULKSTAT_FG_VFSLOCKED	0x4	/* Already have vfs lock */
+
+/*
+ * Return stat information in bulk (by-inode) for the filesystem.
+ */
+int					/* error status */
+xfs_bulkstat(
+	xfs_mount_t	*mp,		/* mount point for filesystem */
+	xfs_trans_t	*tp,		/* transaction pointer */
+	xfs_ino_t	*lastino,	/* last inode returned */
+	int		*count,		/* size of buffer/count returned */
+	bulkstat_one_pf formatter,	/* func that'd fill a single buf */
+	void		*private_data,	/* private data for formatter */
+	size_t		statstruct_size,/* sizeof struct that we're filling */
+	xfs_caddr_t	ubuffer,	/* buffer with inode stats */
+	int		flags,		/* flag to control access method */
+	int		*done);		/* 1 if there're more stats to get */
+
+int
+xfs_bulkstat_single(
+	xfs_mount_t		*mp,
+	xfs_ino_t		*lastinop,
+	xfs_caddr_t		buffer,
+	int			*done);
+
+int
+xfs_bulkstat_one(
+	xfs_mount_t		*mp,
+	xfs_trans_t		*tp,
+	xfs_ino_t		ino,
+	void			*buffer,
+	int			ubsize,
+	void			*private_data,
+	xfs_daddr_t		bno,
+	int			*ubused,
+	void			*dibuff,
+	int			*stat);
+
+int					/* error status */
+xfs_inumbers(
+	xfs_mount_t		*mp,	/* mount point for filesystem */
+	xfs_trans_t		*tp,	/* transaction pointer */
+	xfs_ino_t		*last,	/* last inode returned */
+	int			*count,	/* size of buffer/count returned */
+	xfs_caddr_t		buffer);/* buffer with inode descriptions */
+
+#endif	/* __XFS_ITABLE_H__ */