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 " assemble Assemble an existing multi device filesystem\n"
40 " incremental Incrementally assemble an existing multi device filesystem\n"
41 " run Start a partially assembled filesystem\n"
42 " stop Stop a running filesystem\n"
44 "Commands for managing a running filesystem:\n"
45 " fs show Show various information about a filesystem\n"
46 " fs set Modify filesystem options\n"
48 "Commands for managing devices within a running filesystem:\n"
49 " device add Add a new device to an existing filesystem\n"
50 " device remove Remove a device from an existing filesystem\n"
51 " device online Readd an existing member to a filesystem\n"
52 " device offline Take a device offline, without removing it\n"
53 " device evacuate Migrate data off of a specific device\n"
54 " device set-state Mark a device as failed\n"
57 " unlock Unlock an encrypted filesystem prior to running/mounting\n"
58 " set-passphrase Change passphrase on an existing (unmounted) filesystem\n"
59 " remove-passphrase Remove passphrase on an existing (unmounted) filesystem\n"
62 " migrate Migrate an existing filesystem to bcachefs, in place\n"
63 " migrate-superblock\n"
64 " Add default superblock, after bcachefs migrate\n"
67 "These commands work on offline, unmounted filesystems\n"
68 " dump Dump filesystem metadata to a qcow2 image\n"
69 " list List filesystem metadata in textual form\n");
72 static char *full_cmd;
74 static char *pop_cmd(int *argc, char *argv[])
77 printf("%s: missing command\n", argv[0]);
83 memmove(&argv[1], &argv[2], *argc * sizeof(argv[0]));
86 full_cmd = mprintf("%s %s", full_cmd, cmd);
90 static int fs_cmds(int argc, char *argv[])
92 char *cmd = pop_cmd(&argc, argv);
94 if (!strcmp(cmd, "show"))
95 return cmd_fs_show(argc, argv);
96 if (!strcmp(cmd, "set"))
97 return cmd_fs_set(argc, argv);
103 static int device_cmds(int argc, char *argv[])
105 char *cmd = pop_cmd(&argc, argv);
107 if (!strcmp(cmd, "add"))
108 return cmd_device_add(argc, argv);
109 if (!strcmp(cmd, "remove"))
110 return cmd_device_remove(argc, argv);
111 if (!strcmp(cmd, "online"))
112 return cmd_device_online(argc, argv);
113 if (!strcmp(cmd, "offline"))
114 return cmd_device_offline(argc, argv);
115 if (!strcmp(cmd, "evacuate"))
116 return cmd_device_offline(argc, argv);
117 if (!strcmp(cmd, "set-state"))
118 return cmd_device_set_state(argc, argv);
124 int main(int argc, char *argv[])
128 setvbuf(stdout, NULL, _IOLBF, 0);
130 char *cmd = pop_cmd(&argc, argv);
132 if (!strcmp(cmd, "format"))
133 return cmd_format(argc, argv);
134 if (!strcmp(cmd, "show-super"))
135 return cmd_show_super(argc, argv);
137 if (!strcmp(cmd, "fsck"))
138 return cmd_fsck(argc, argv);
140 if (!strcmp(cmd, "assemble"))
141 return cmd_assemble(argc, argv);
142 if (!strcmp(cmd, "incremental"))
143 return cmd_incremental(argc, argv);
144 if (!strcmp(cmd, "run"))
145 return cmd_run(argc, argv);
146 if (!strcmp(cmd, "stop"))
147 return cmd_stop(argc, argv);
149 if (!strcmp(cmd, "fs"))
150 return fs_cmds(argc, argv);
152 if (!strcmp(cmd, "device"))
153 return device_cmds(argc, argv);
155 if (!strcmp(cmd, "unlock"))
156 return cmd_unlock(argc, argv);
157 if (!strcmp(cmd, "set-passphrase"))
158 return cmd_set_passphrase(argc, argv);
159 if (!strcmp(cmd, "remove-passphrase"))
160 return cmd_remove_passphrase(argc, argv);
162 if (!strcmp(cmd, "migrate"))
163 return cmd_migrate(argc, argv);
164 if (!strcmp(cmd, "migrate-superblock"))
165 return cmd_migrate_superblock(argc, argv);
167 if (!strcmp(cmd, "dump"))
168 return cmd_dump(argc, argv);
169 if (!strcmp(cmd, "list"))
170 return cmd_list(argc, argv);
172 printf("Unknown command %s\n", cmd);