Sync XFS for FreeBSD tree with newer changes from SGI XFS for Linux tree.

Improve support for writing to XFS partitions.

Work done by:	Russell Cattelan <cattelan at xfs dot org>

1 files changed, 56 insertions, 60 deletions

diff --git a/sys/gnu/fs/xfs/xfs_error.h b/sys/gnu/fs/xfs/xfs_error.h
index ad822e5..9357ba4 100644
--- a/sys/gnu/fs/xfs/xfs_error.h
+++ b/sys/gnu/fs/xfs/xfs_error.h
@@ -1,40 +1,23 @@
 /*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2002,2005 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
+ * 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.
+ * 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.
  *
- * 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/
+ * 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
  */
 #ifndef	__XFS_ERROR_H__
 #define	__XFS_ERROR_H__
 
-#define prdev(fmt,targ,args...) \
-	printk("XFS: device %s- " fmt "\n", XFS_BUFTARG_NAME(targ), ## args)
-
 #define XFS_ERECOVER	1	/* Failure to recover log */
 #define XFS_ELOGSTAT	2	/* Failure to stat log in user space */
 #define XFS_ENOLOGSPACE	3	/* Reservation too large */
@@ -54,27 +37,10 @@ extern int	xfs_error_trap(int);
 
 struct xfs_mount;
 
-extern void
-xfs_error_report(
-	char		*tag,
-	int		level,
-	struct xfs_mount *mp,
-	char		*fname,
-	int		linenum,
-	inst_t		*ra);
-
-extern void
-xfs_corruption_error(
-	char		*tag,
-	int		level,
-	struct xfs_mount *mp,
-	void		*p,
-	char		*fname,
-	int		linenum,
-	inst_t		*ra);
-
-extern void
-xfs_hex_dump(void *p, int length);
+extern void xfs_error_report(char *tag, int level, struct xfs_mount *mp,
+				char *fname, int linenum, inst_t *ra);
+extern void xfs_corruption_error(char *tag, int level, struct xfs_mount *mp,
+				void *p, char *fname, int linenum, inst_t *ra);
 
 #define	XFS_ERROR_REPORT(e, lvl, mp)	\
 	xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
@@ -87,6 +53,32 @@ xfs_hex_dump(void *p, int length);
 #define XFS_ERRLEVEL_HIGH	5
 
 /*
+ * Macros to set EFSCORRUPTED & return/branch.
+ */
+#define	XFS_WANT_CORRUPTED_GOTO(x,l)	\
+	{ \
+		int fs_is_ok = (x); \
+		ASSERT(fs_is_ok); \
+		if (unlikely(!fs_is_ok)) { \
+			XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
+					 XFS_ERRLEVEL_LOW, NULL); \
+			error = XFS_ERROR(EFSCORRUPTED); \
+			goto l; \
+		} \
+	}
+
+#define	XFS_WANT_CORRUPTED_RETURN(x)	\
+	{ \
+		int fs_is_ok = (x); \
+		ASSERT(fs_is_ok); \
+		if (unlikely(!fs_is_ok)) { \
+			XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
+					 XFS_ERRLEVEL_LOW, NULL); \
+			return XFS_ERROR(EFSCORRUPTED); \
+		} \
+	}
+
+/*
  * error injection tags - the labels can be anything you want
  * but each tag should have its own unique number
  */
@@ -142,8 +134,8 @@ xfs_hex_dump(void *p, int length);
 #define	XFS_RANDOM_BMAPIFORMAT				XFS_RANDOM_DEFAULT
 
 #if (defined(DEBUG) || defined(INDUCE_IO_ERROR))
-extern int	xfs_error_test(int, int *, char *, int, char *, unsigned long);
-void xfs_error_test_init(void);
+extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
+extern void xfs_error_test_init(void);
 
 #define	XFS_NUM_INJECT_ERROR				10
 
@@ -159,12 +151,10 @@ void xfs_error_test_init(void);
 			(rf)))
 #endif /* __ANSI_CPP__ */
 
-int		xfs_errortag_add(int error_tag, xfs_mount_t *mp);
-int		xfs_errortag_clear(int error_tag, xfs_mount_t *mp);
-
-int		xfs_errortag_clearall(xfs_mount_t *mp);
-int		xfs_errortag_clearall_umount(int64_t fsid, char *fsname,
-						int loud);
+extern int xfs_errortag_add(int error_tag, xfs_mount_t *mp);
+extern int xfs_errortag_clear(int error_tag, xfs_mount_t *mp);
+extern int xfs_errortag_clearall(xfs_mount_t *mp);
+extern int xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud);
 #else
 #define XFS_TEST_ERROR(expr, mp, tag, rf)	(expr)
 #define xfs_errortag_add(tag, mp)		(ENOSYS)
@@ -188,10 +178,16 @@ int		xfs_errortag_clearall_umount(int64_t fsid, char *fsname,
 
 struct xfs_mount;
 /* PRINTFLIKE4 */
-void		xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp,
-			    char *fmt, ...);
+extern void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp,
+			char *fmt, ...);
 /* PRINTFLIKE3 */
-void		xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...);
+extern void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...);
+
+#define xfs_fs_repair_cmn_err(level, mp, fmt, args...) \
+	xfs_fs_cmn_err(level, mp, fmt "  Unmount and run xfs_repair.", ## args)
+
+#define xfs_fs_mount_cmn_err(f, fmt, args...) \
+	((f & XFS_MFSI_QUIET)? cmn_err(CE_WARN, "XFS: " fmt, ## args) : (void)0)
 
 #endif	/* __XFS_ERROR_H__ */