2 * Authors: Kent Overstreet <kent.overstreet@gmail.com>
3 * Gabriel de Perthuis <g2p.code@gmail.com>
4 * Jacob Malevich <jam@datera.io>
20 #include <sys/ioctl.h>
21 #include <sys/types.h>
26 static void usage(void)
28 puts("bcachefs - tool for managing bcachefs filesystems\n"
29 "usage: bcachefs <command> [<args>]\n"
31 "Superblock commands:\n"
32 " format Format a new filesystem\n"
33 " show-super Dump superblock information to stdout\n"
36 " fsck Check an existing filesystem for errors\n"
38 "Startup/shutdown, assembly of multi device filesystems:\n"
39 " unlock Unlock an encrypted filesystem prior to running/mounting\n"
40 " assemble Assemble an existing multi device filesystem\n"
41 " incremental Incrementally assemble an existing multi device filesystem\n"
42 " run Start a partially assembled filesystem\n"
43 " stop Stop a running filesystem\n"
45 "Commands for managing a running filesystem:\n"
46 " fs show Show various information about a filesystem\n"
47 " fs set Modify filesystem options\n"
49 "Commands for managing devices within a running filesystem:\n"
50 " device add Add a new device to an existing filesystem\n"
51 " device remove Remove a device from an existing filesystem\n"
52 " device online Readd an existing member to a filesystem\n"
53 " device offline Take a device offline, without removing it\n"
54 " device evacuate Migrate data off of a specific device\n"
55 " device set-state Mark a device as failed\n"
58 " migrate Migrate an existing filesystem to bcachefs, in place\n"
59 " migrate-superblock\n"
60 " Add default superblock, after bcachefs migrate\n"
63 "These commands work on offline, unmounted filesystems\n"
64 " dump Dump filesystem metadata to a qcow2 image\n"
65 " list List filesystem metadata in textual form\n");
68 static char *full_cmd;
70 static char *pop_cmd(int *argc, char *argv[])
73 printf("%s: missing command\n", argv[0]);
79 memmove(&argv[1], &argv[2], *argc * sizeof(argv[0]));
82 full_cmd = mprintf("%s %s", full_cmd, cmd);
86 static int fs_cmds(int argc, char *argv[])
88 char *cmd = pop_cmd(&argc, argv);
90 if (!strcmp(cmd, "show"))
91 return cmd_fs_show(argc, argv);
92 if (!strcmp(cmd, "set"))
93 return cmd_fs_set(argc, argv);
99 static int device_cmds(int argc, char *argv[])
101 char *cmd = pop_cmd(&argc, argv);
103 if (!strcmp(cmd, "add"))
104 return cmd_device_add(argc, argv);
105 if (!strcmp(cmd, "remove"))
106 return cmd_device_remove(argc, argv);
107 if (!strcmp(cmd, "online"))
108 return cmd_device_online(argc, argv);
109 if (!strcmp(cmd, "offline"))
110 return cmd_device_offline(argc, argv);
111 if (!strcmp(cmd, "evacuate"))
112 return cmd_device_offline(argc, argv);
113 if (!strcmp(cmd, "set-state"))
114 return cmd_device_set_state(argc, argv);
120 int main(int argc, char *argv[])
124 setvbuf(stdout, NULL, _IOLBF, 0);
126 char *cmd = pop_cmd(&argc, argv);
128 if (!strcmp(cmd, "format"))
129 return cmd_format(argc, argv);
130 if (!strcmp(cmd, "show-super"))
131 return cmd_show_super(argc, argv);
133 if (!strcmp(cmd, "fsck"))
134 return cmd_fsck(argc, argv);
136 if (!strcmp(cmd, "unlock"))
137 return cmd_unlock(argc, argv);
138 if (!strcmp(cmd, "assemble"))
139 return cmd_assemble(argc, argv);
140 if (!strcmp(cmd, "incremental"))
141 return cmd_incremental(argc, argv);
142 if (!strcmp(cmd, "run"))
143 return cmd_run(argc, argv);
144 if (!strcmp(cmd, "stop"))
145 return cmd_stop(argc, argv);
147 if (!strcmp(cmd, "fs"))
148 return fs_cmds(argc, argv);
150 if (!strcmp(cmd, "device"))
151 return device_cmds(argc, argv);
153 if (!strcmp(cmd, "migrate"))
154 return cmd_migrate(argc, argv);
155 if (!strcmp(cmd, "migrate-superblock"))
156 return cmd_migrate_superblock(argc, argv);
158 if (!strcmp(cmd, "dump"))
159 return cmd_dump(argc, argv);
160 if (!strcmp(cmd, "list"))
161 return cmd_list(argc, argv);
163 printf("Unknown command %s\n", cmd);