@@ -13,7 +13,7 @@ objects = ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \
cmds_objects = cmds-subvolume.o cmds-filesystem.o cmds-device.o cmds-scrub.o \
cmds-inspect.o cmds-balance.o cmds-send.o cmds-receive.o \
cmds-quota.o cmds-qgroup.o cmds-replace.o cmds-check.o \
- cmds-restore.o cmds-chunk.o cmds-dedup.o
+ cmds-restore.o cmds-chunk.o cmds-dedup.o cmds-rescue.o
libbtrfs_objects = send-stream.o send-utils.o rbtree.o btrfs-list.o crc32c.o \
uuid-tree.o
libbtrfs_headers = send-stream.h send-utils.h send.h rbtree.h btrfs-list.h \
@@ -247,6 +247,7 @@ static const struct cmd_group btrfs_cmd_group = {
{ "device", cmd_device, NULL, &device_cmd_group, 0 },
{ "scrub", cmd_scrub, NULL, &scrub_cmd_group, 0 },
{ "check", cmd_check, cmd_check_usage, NULL, 0 },
+ { "rescue", cmd_rescue, NULL, &rescue_cmd_group, 0 },
{ "chunk-recover", cmd_chunk_recover, cmd_chunk_recover_usage, NULL, 0},
{ "restore", cmd_restore, cmd_restore_usage, NULL, 0 },
{ "inspect-internal", cmd_inspect, NULL, &inspect_cmd_group, 0 },
new file mode 100644
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2013 SUSE. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program 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., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#include "kerncompat.h"
+
+#include "commands.h"
+
+static const char * const rescue_cmd_group_usage[] = {
+ "btrfs rescue <command> [options] <path>",
+ NULL
+};
+
+const struct cmd_group rescue_cmd_group = {
+ rescue_cmd_group_usage, NULL, {
+ { 0, 0, 0, 0, 0 }
+ }
+};
+
+int cmd_rescue(int argc, char **argv)
+{
+ return handle_command_group(&rescue_cmd_group, argc, argv);
+}
@@ -91,12 +91,14 @@ extern const struct cmd_group quota_cmd_group;
extern const struct cmd_group qgroup_cmd_group;
extern const struct cmd_group replace_cmd_group;
extern const struct cmd_group dedup_cmd_group;
+extern const struct cmd_group rescue_cmd_group;
extern const char * const cmd_send_usage[];
extern const char * const cmd_receive_usage[];
extern const char * const cmd_check_usage[];
extern const char * const cmd_chunk_recover_usage[];
extern const char * const cmd_restore_usage[];
+extern const char * const cmd_rescue_usage[];
int cmd_subvolume(int argc, char **argv);
int cmd_filesystem(int argc, char **argv);
@@ -116,6 +118,7 @@ int cmd_select_super(int argc, char **argv);
int cmd_dump_super(int argc, char **argv);
int cmd_debug_tree(int argc, char **argv);
int cmd_dedup(int argc, char **argv);
+int cmd_rescue(int argc, char **argv);
/* subvolume exported functions */
int test_issubvolume(char *path);
@@ -69,6 +69,8 @@ btrfs \- control a btrfs filesystem
.PP
\fBbtrfs\fP \fBcheck\fP [\fIoptions\fP] \fI<device>\fP
.PP
+\fBbtrfs\fP \fBrescue\fP [\fIoptions\fP] \fI<path>\fP
+.PP
\fBbtrfs\fP \fBchunk-recover\fP [\fIoptions\fP] \fI<device>\fP
.PP
\fBbtrfs\fP \fBrestore\fP [\fIoptions\fP] \fI<device>\fP
@@ -500,6 +502,10 @@ create a new extent tree.
.RE
.TP
+\fBrescue\fR [\fIoptions\fP] <path>\fR
+Rescue toolbox.
+.TP
+
\fBchunk-recover\fR [\fIoptions\fP] <device>\fR
Recover the chunk tree by scanning the devices one by one.
.RS
Add an empty 1st level command namespace that will collect specialized recovery tools like chunk-recover, zero-log, select-super and similar. Signed-off-by: David Sterba <dsterba@suse.cz> --- Makefile | 2 +- btrfs.c | 1 + cmds-rescue.c | 37 +++++++++++++++++++++++++++++++++++++ commands.h | 3 +++ man/btrfs.8.in | 6 ++++++ 5 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 cmds-rescue.c