diff options
Diffstat (limited to 'cmds-rescue.c')
-rw-r--r-- | cmds-rescue.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/cmds-rescue.c b/cmds-rescue.c index 35b3bb11..cfbc198a 100644 --- a/cmds-rescue.c +++ b/cmds-rescue.c @@ -18,13 +18,75 @@ #include "kerncompat.h" +#include <getopt.h> #include "commands.h" +#include "utils.h" static const char * const rescue_cmd_group_usage[] = { "btrfs rescue <command> [options] <path>", NULL }; +int btrfs_recover_chunk_tree(char *path, int verbose, int yes); + +const char * const cmd_chunk_recover_usage[] = { + "btrfs rescue chunk-recover [options] <device>", + "Recover the chunk tree by scanning the devices one by one.", + "", + "-y Assume an answer of `yes' to all questions", + "-v Verbose mode", + "-h Help", + NULL +}; + +int cmd_chunk_recover(int argc, char *argv[]) +{ + int ret = 0; + char *file; + int yes = 0; + int verbose = 0; + + while (1) { + int c = getopt(argc, argv, "yvh"); + if (c < 0) + break; + switch (c) { + case 'y': + yes = 1; + break; + case 'v': + verbose = 1; + break; + case 'h': + default: + usage(cmd_chunk_recover_usage); + } + } + + argc = argc - optind; + if (argc == 0) + usage(cmd_chunk_recover_usage); + + file = argv[optind]; + + ret = check_mounted(file); + if (ret) { + fprintf(stderr, "the device is busy\n"); + return ret; + } + + ret = btrfs_recover_chunk_tree(file, verbose, yes); + if (!ret) { + fprintf(stdout, "Recover the chunk tree successfully.\n"); + } else if (ret > 0) { + ret = 0; + fprintf(stdout, "Abort to rebuild the on-disk chunk tree.\n"); + } else { + fprintf(stdout, "Fail to recover the chunk tree.\n"); + } + return ret; +} + const struct cmd_group rescue_cmd_group = { rescue_cmd_group_usage, NULL, { { "chunk-recover", cmd_chunk_recover, cmd_chunk_recover_usage, NULL, 0}, |