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>
24 #include <raid/raid.h>
28 static void usage(void)
30 puts("bcachefs - tool for managing bcachefs filesystems\n"
31 "usage: bcachefs <command> [<args>]\n"
33 "Superblock commands:\n"
34 " format Format a new filesystem\n"
35 " show-super Dump superblock information to stdout\n"
38 " fsck Check an existing filesystem for errors\n"
40 "Startup/shutdown, assembly of multi device filesystems:\n"
42 " assemble Assemble an existing multi device filesystem\n"
43 " incremental Incrementally assemble an existing multi device filesystem\n"
44 " run Start a partially assembled filesystem\n"
45 " stop Stop a running filesystem\n"
48 "Commands for managing a running filesystem:\n"
49 " fs usage Show disk usage\n"
51 "Commands for managing devices within a running filesystem:\n"
52 " device add Add a new device to an existing filesystem\n"
53 " device remove Remove a device from an existing filesystem\n"
54 " device online Re-add an existing member to a filesystem\n"
55 " device offline Take a device offline, without removing it\n"
56 " device evacuate Migrate data off of a specific device\n"
57 " device set-state Mark a device as failed\n"
58 " device resize Resize filesystem on a device\n"
60 "Commands for managing filesystem data:\n"
61 " data rereplicate Rereplicate degraded data\n"
64 " unlock Unlock an encrypted filesystem prior to running/mounting\n"
65 " set-passphrase Change passphrase on an existing (unmounted) filesystem\n"
66 " remove-passphrase Remove passphrase on an existing (unmounted) filesystem\n"
69 " migrate Migrate an existing filesystem to bcachefs, in place\n"
70 " migrate-superblock Add default superblock, after bcachefs migrate\n"
72 "Commands for operating on files in a bcachefs filesystem:\n"
73 " setattr Set various per file attributes\n"
75 "These commands work on offline, unmounted filesystems\n"
76 " dump Dump filesystem metadata to a qcow2 image\n"
77 " list List filesystem metadata in textual form\n"
78 " list_journal List contents of journal\n"
81 " version Display the version of the invoked bcachefs tool\n");
84 static char *full_cmd;
86 static char *pop_cmd(int *argc, char *argv[])
89 printf("%s: missing command\n", argv[0]);
95 memmove(&argv[1], &argv[2], *argc * sizeof(argv[0]));
98 full_cmd = mprintf("%s %s", full_cmd, cmd);
102 static int fs_cmds(int argc, char *argv[])
104 char *cmd = pop_cmd(&argc, argv);
106 if (!strcmp(cmd, "usage"))
107 return cmd_fs_usage(argc, argv);
113 static int device_cmds(int argc, char *argv[])
115 char *cmd = pop_cmd(&argc, argv);
117 if (!strcmp(cmd, "add"))
118 return cmd_device_add(argc, argv);
119 if (!strcmp(cmd, "remove"))
120 return cmd_device_remove(argc, argv);
121 if (!strcmp(cmd, "online"))
122 return cmd_device_online(argc, argv);
123 if (!strcmp(cmd, "offline"))
124 return cmd_device_offline(argc, argv);
125 if (!strcmp(cmd, "evacuate"))
126 return cmd_device_evacuate(argc, argv);
127 if (!strcmp(cmd, "set-state"))
128 return cmd_device_set_state(argc, argv);
129 if (!strcmp(cmd, "resize"))
130 return cmd_device_resize(argc, argv);
131 if (!strcmp(cmd, "resize-journal"))
132 return cmd_device_resize_journal(argc, argv);
138 static int data_cmds(int argc, char *argv[])
140 char *cmd = pop_cmd(&argc, argv);
142 if (!strcmp(cmd, "rereplicate"))
143 return cmd_data_rereplicate(argc, argv);
149 int main(int argc, char *argv[])
155 setvbuf(stdout, NULL, _IOLBF, 0);
157 char *cmd = pop_cmd(&argc, argv);
159 if (!strcmp(cmd, "version"))
160 return cmd_version(argc, argv);
161 if (!strcmp(cmd, "format"))
162 return cmd_format(argc, argv);
163 if (!strcmp(cmd, "show-super"))
164 return cmd_show_super(argc, argv);
166 if (!strcmp(cmd, "fsck"))
167 return cmd_fsck(argc, argv);
170 if (!strcmp(cmd, "assemble"))
171 return cmd_assemble(argc, argv);
172 if (!strcmp(cmd, "incremental"))
173 return cmd_incremental(argc, argv);
174 if (!strcmp(cmd, "run"))
175 return cmd_run(argc, argv);
176 if (!strcmp(cmd, "stop"))
177 return cmd_stop(argc, argv);
180 if (!strcmp(cmd, "fs"))
181 return fs_cmds(argc, argv);
183 if (!strcmp(cmd, "device"))
184 return device_cmds(argc, argv);
186 if (!strcmp(cmd, "data"))
187 return data_cmds(argc, argv);
189 if (!strcmp(cmd, "unlock"))
190 return cmd_unlock(argc, argv);
191 if (!strcmp(cmd, "set-passphrase"))
192 return cmd_set_passphrase(argc, argv);
193 if (!strcmp(cmd, "remove-passphrase"))
194 return cmd_remove_passphrase(argc, argv);
196 if (!strcmp(cmd, "migrate"))
197 return cmd_migrate(argc, argv);
198 if (!strcmp(cmd, "migrate-superblock"))
199 return cmd_migrate_superblock(argc, argv);
201 if (!strcmp(cmd, "dump"))
202 return cmd_dump(argc, argv);
203 if (!strcmp(cmd, "list"))
204 return cmd_list(argc, argv);
205 if (!strcmp(cmd, "list_journal"))
206 return cmd_list_journal(argc, argv);
208 if (!strcmp(cmd, "setattr"))
209 return cmd_setattr(argc, argv);
212 if (!strcmp(cmd, "fusemount"))
213 return cmd_fusemount(argc, argv);
216 if (!strcmp(cmd, "--help")) {
221 printf("Unknown command %s\n", cmd);