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authorRoland McGrath <roland@gnu.org>2001-02-26 04:14:56 +0000
committerRoland McGrath <roland@gnu.org>2001-02-26 04:14:56 +0000
commitc2b65c1b3c639082fc479ba379252175515633a9 (patch)
treed34c76782d0e6ec22b8ddc7feae88de71b299a09
parent7081521ad303772bde7a76cf2e337f0ce5e294f3 (diff)
2001-02-25 Roland McGrath <roland@frob.com>
* readonly-changed.c: New file. * Makefile (OTHERSRCS): Add it.
-rw-r--r--libdiskfs/Makefile7
-rw-r--r--libdiskfs/readonly-changed.c31
2 files changed, 35 insertions, 3 deletions
diff --git a/libdiskfs/Makefile b/libdiskfs/Makefile
index 9180c74d..56cba641 100644
--- a/libdiskfs/Makefile
+++ b/libdiskfs/Makefile
@@ -1,5 +1,5 @@
#
-# Copyright (C) 1994,95,96,97,98,99,2000 Free Software Foundation, Inc.
+# Copyright (C) 1994,95,96,97,98,99,2000, 2001 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
@@ -46,10 +46,11 @@ OTHERSRCS = conch-fetch.c conch-set.c dir-clear.c dir-init.c dir-renamed.c \
sync-interval.c sync-default.c \
opts-set.c opts-get.c opts-std-startup.c opts-std-runtime.c \
opts-append-std.c opts-common.c opts-runtime.c opts-version.c \
- trans-callback.c readonly.c remount.c console.c disk-pager.c \
+ trans-callback.c readonly.c readonly-changed.c \
+ remount.c console.c disk-pager.c \
name-cache.c direnter.c dirrewrite.c dirremove.c lookup.c dead-name.c \
validate-mode.c validate-group.c validate-author.c validate-flags.c \
- validate-rdev.c validate-owner.c extra-version.c
+ validate-rdev.c validate-owner.c extra-version.c
SRCS = $(OTHERSRCS) $(FSSRCS) $(IOSRCS) $(FSYSSRCS) $(IFSOCKSRCS)
LCLHDRS = diskfs.h priv.h lithp.h fsmutations.h diskfs-pager.h fhandle.h
installhdrs = diskfs.h diskfs-pager.h
diff --git a/libdiskfs/readonly-changed.c b/libdiskfs/readonly-changed.c
new file mode 100644
index 00000000..44ee9225
--- /dev/null
+++ b/libdiskfs/readonly-changed.c
@@ -0,0 +1,31 @@
+/* Default hook for change to/from read-only
+
+ Copyright (C) 2001 Free Software Foundation, Inc.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd 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; either version 2, or (at
+ your option) any later version.
+
+ The GNU Hurd is distributed in the hope that it will 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.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "diskfs.h"
+
+/* The user may define this function. It is called when the disk has been
+ changed from read-only to read-write mode or vice-versa. READONLY is the
+ new state (which is also reflected in DISKFS_READONLY). This function is
+ also called during initial startup if the filesystem is to be writable. */
+void
+diskfs_readonly_changed (int readonly)
+{
+ /* By default do nothing at all. */
+}