Rename from bcache-tools to bcachefs-tools

1 files changed, 165 insertions, 0 deletions

diff --git a/bcachefs.c b/bcachefs.c
new file mode 100644
index 00000000..945d6df3
--- /dev/null
+++ b/bcachefs.c
@@ -0,0 +1,165 @@
+/*
+ * Authors: Kent Overstreet <kent.overstreet@gmail.com>
+ *	    Gabriel de Perthuis <g2p.code@gmail.com>
+ *	    Jacob Malevich <jam@datera.io>
+ *
+ * GPLv2
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "cmds.h"
+
+static void usage(void)
+{
+	puts("bcachefs - tool for managing bcachefs filesystems\n"
+	     "usage: bcachefs <command> [<args>]\n"
+	     "\n"
+	     "Superblock commands:\n"
+	     "  format           Format a new filesystem\n"
+	     "  show-super       Dump superblock information to stdout\n"
+	     "\n"
+	     "Repair:\n"
+	     "  fsck             Check an existing filesystem for errors\n"
+	     "\n"
+	     "Startup/shutdown, assembly of multi device filesystems:\n"
+	     "  unlock           Unlock an encrypted filesystem prior to running/mounting\n"
+	     "  assemble         Assemble an existing multi device filesystem\n"
+	     "  incremental      Incrementally assemble an existing multi device filesystem\n"
+	     "  run              Start a partially assembled filesystem\n"
+	     "  stop	         Stop a running filesystem\n"
+
+	     "Commands for managing a running filesystem:\n"
+	     "  fs show          Show various information about a filesystem\n"
+	     "  fs set           Modify filesystem options\n"
+	     "\n"
+	     "Commands for managing devices within a running filesystem:\n"
+	     "  device add       Add a new device to an existing filesystem\n"
+	     "  device remove    Remove a device from an existing filesystem\n"
+	     "  device online    Readd an existing member to a filesystem\n"
+	     "  device offline   Take a device offline, without removing it\n"
+	     "  device evacuate  Migrate data off of a specific device\n"
+	     "  device set-state Mark a device as failed\n"
+	     "\n"
+	     "Migrate:\n"
+	     "  migrate          Migrate an existing filesystem to bcachefs, in place\n"
+	     "  migrate-superblock\n"
+	     "                   Add default superblock, after bcachefs migrate\n"
+	     "\n"
+	     "Debug:\n"
+	     "These commands work on offline, unmounted filesystems\n"
+	     "  dump             Dump filesystem metadata to a qcow2 image\n"
+	     "  list             List filesystem metadata in textual form\n");
+}
+
+static char *full_cmd;
+
+static char *pop_cmd(int *argc, char *argv[])
+{
+	if (*argc < 2) {
+		printf("%s: missing command\n", argv[0]);
+		usage();
+		exit(EXIT_FAILURE);
+	}
+
+	char *cmd = argv[1];
+	memmove(&argv[1], &argv[2], *argc * sizeof(argv[0]));
+	(*argc)--;
+
+	full_cmd = mprintf("%s %s", full_cmd, cmd);
+	return cmd;
+}
+
+static int fs_cmds(int argc, char *argv[])
+{
+	char *cmd = pop_cmd(&argc, argv);
+
+	if (!strcmp(cmd, "show"))
+		return cmd_fs_show(argc, argv);
+	if (!strcmp(cmd, "set"))
+		return cmd_fs_set(argc, argv);
+
+	usage();
+	return 0;
+}
+
+static int device_cmds(int argc, char *argv[])
+{
+	char *cmd = pop_cmd(&argc, argv);
+
+	if (!strcmp(cmd, "add"))
+		return cmd_device_add(argc, argv);
+	if (!strcmp(cmd, "remove"))
+		return cmd_device_remove(argc, argv);
+	if (!strcmp(cmd, "online"))
+		return cmd_device_online(argc, argv);
+	if (!strcmp(cmd, "offline"))
+		return cmd_device_offline(argc, argv);
+	if (!strcmp(cmd, "evacuate"))
+		return cmd_device_offline(argc, argv);
+	if (!strcmp(cmd, "set-state"))
+		return cmd_device_set_state(argc, argv);
+
+	usage();
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	full_cmd = argv[0];
+
+	setvbuf(stdout, NULL, _IOLBF, 0);
+
+	char *cmd = pop_cmd(&argc, argv);
+
+	if (!strcmp(cmd, "format"))
+		return cmd_format(argc, argv);
+	if (!strcmp(cmd, "show-super"))
+		return cmd_show_super(argc, argv);
+
+	if (!strcmp(cmd, "fsck"))
+		return cmd_fsck(argc, argv);
+
+	if (!strcmp(cmd, "unlock"))
+		return cmd_unlock(argc, argv);
+	if (!strcmp(cmd, "assemble"))
+		return cmd_assemble(argc, argv);
+	if (!strcmp(cmd, "incremental"))
+		return cmd_incremental(argc, argv);
+	if (!strcmp(cmd, "run"))
+		return cmd_run(argc, argv);
+	if (!strcmp(cmd, "stop"))
+		return cmd_stop(argc, argv);
+
+	if (!strcmp(cmd, "fs"))
+		return fs_cmds(argc, argv);
+
+	if (!strcmp(cmd, "device"))
+		return device_cmds(argc, argv);
+
+	if (!strcmp(cmd, "migrate"))
+		return cmd_migrate(argc, argv);
+	if (!strcmp(cmd, "migrate-superblock"))
+		return cmd_migrate_superblock(argc, argv);
+
+	if (!strcmp(cmd, "dump"))
+		return cmd_dump(argc, argv);
+	if (!strcmp(cmd, "list"))
+		return cmd_list(argc, argv);
+
+	usage();
+	return 0;
+}