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"
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"
46 "Commands for managing a running filesystem:\n"
47 " fs usage Show disk usage\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 Re-add 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"
56 " device resize Resize filesystem on a device\n"
58 "Commands for managing filesystem data:\n"
59 " data rereplicate Rereplicate degraded data\n"
62 " unlock Unlock an encrypted filesystem prior to running/mounting\n"
63 " set-passphrase Change passphrase on an existing (unmounted) filesystem\n"
64 " remove-passphrase Remove passphrase on an existing (unmounted) filesystem\n"
67 " migrate Migrate an existing filesystem to bcachefs, in place\n"
68 " migrate-superblock Add default superblock, after bcachefs migrate\n"
71 "These commands work on offline, unmounted filesystems\n"
72 " dump Dump filesystem metadata to a qcow2 image\n"
73 " list List filesystem metadata in textual form\n");
76 static char *full_cmd;
78 static char *pop_cmd(int *argc, char *argv[])
81 printf("%s: missing command\n", argv[0]);
87 memmove(&argv[1], &argv[2], *argc * sizeof(argv[0]));
90 full_cmd = mprintf("%s %s", full_cmd, cmd);
94 static int fs_cmds(int argc, char *argv[])
96 char *cmd = pop_cmd(&argc, argv);
98 if (!strcmp(cmd, "usage"))
99 return cmd_fs_usage(argc, argv);
105 static int device_cmds(int argc, char *argv[])
107 char *cmd = pop_cmd(&argc, argv);
109 if (!strcmp(cmd, "add"))
110 return cmd_device_add(argc, argv);
111 if (!strcmp(cmd, "remove"))
112 return cmd_device_remove(argc, argv);
113 if (!strcmp(cmd, "online"))
114 return cmd_device_online(argc, argv);
115 if (!strcmp(cmd, "offline"))
116 return cmd_device_offline(argc, argv);
117 if (!strcmp(cmd, "evacuate"))
118 return cmd_device_evacuate(argc, argv);
119 if (!strcmp(cmd, "set-state"))
120 return cmd_device_set_state(argc, argv);
121 if (!strcmp(cmd, "resize"))
122 return cmd_device_resize(argc, argv);
128 static int data_cmds(int argc, char *argv[])
130 char *cmd = pop_cmd(&argc, argv);
132 if (!strcmp(cmd, "rereplicate"))
133 return cmd_data_rereplicate(argc, argv);
139 int main(int argc, char *argv[])
143 setvbuf(stdout, NULL, _IOLBF, 0);
145 char *cmd = pop_cmd(&argc, argv);
147 if (!strcmp(cmd, "format"))
148 return cmd_format(argc, argv);
149 if (!strcmp(cmd, "show-super"))
150 return cmd_show_super(argc, argv);
152 if (!strcmp(cmd, "fsck"))
153 return cmd_fsck(argc, argv);
156 if (!strcmp(cmd, "assemble"))
157 return cmd_assemble(argc, argv);
158 if (!strcmp(cmd, "incremental"))
159 return cmd_incremental(argc, argv);
160 if (!strcmp(cmd, "run"))
161 return cmd_run(argc, argv);
162 if (!strcmp(cmd, "stop"))
163 return cmd_stop(argc, argv);
166 if (!strcmp(cmd, "fs"))
167 return fs_cmds(argc, argv);
169 if (!strcmp(cmd, "device"))
170 return device_cmds(argc, argv);
172 if (!strcmp(cmd, "data"))
173 return data_cmds(argc, argv);
175 if (!strcmp(cmd, "unlock"))
176 return cmd_unlock(argc, argv);
177 if (!strcmp(cmd, "set-passphrase"))
178 return cmd_set_passphrase(argc, argv);
179 if (!strcmp(cmd, "remove-passphrase"))
180 return cmd_remove_passphrase(argc, argv);
182 if (!strcmp(cmd, "migrate"))
183 return cmd_migrate(argc, argv);
184 if (!strcmp(cmd, "migrate-superblock"))
185 return cmd_migrate_superblock(argc, argv);
187 if (!strcmp(cmd, "dump"))
188 return cmd_dump(argc, argv);
189 if (!strcmp(cmd, "list"))
190 return cmd_list(argc, argv);
192 printf("Unknown command %s\n", cmd);