int main(int argc, char **argv) { struct lov_user_md *lum_dir, *lum_file1 = NULL, *lum_file2 = NULL; struct obd_uuid uuid; int lum_size, rc; DIR *dir; if (argc < 3) { llapi_err_noerrno(LLAPI_MSG_ERROR, "Usage: %s <dirname> <filename1> [filename2]\n", argv[0]); return 1; } dir = opendir(argv[1]); if (dir == NULL) { rc = -errno; llapi_error(LLAPI_MSG_ERROR, rc, "error: %s opendir failed", argv[1]); return rc; } lum_size = lov_user_md_size(MAX_LOV_UUID_COUNT, LOV_USER_MAGIC); lum_dir = (struct lov_user_md *)malloc(lum_size); if (lum_dir == NULL) { rc = -ENOMEM; llapi_error(LLAPI_MSG_ERROR, rc, "error: can't allocate %d bytes " "for dir EA", lum_size); goto cleanup; } rc = llapi_file_get_stripe(argv[1], lum_dir); if (rc == -ENODATA) { char root[PATH_MAX], path[PATH_MAX + 2]; rc = llapi_search_mounts(argv[1], 0, root, NULL); if (rc) { llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get " "root path for %s\n", argv[1]); goto cleanup; } snprintf(path, sizeof(path), "%s/.", root); rc = llapi_file_get_stripe(path, lum_dir); if (rc == -ENODATA) { free(lum_dir); lum_dir = NULL; } else if (rc) { llapi_error(LLAPI_MSG_ERROR, rc, "error: cant't get " "root's LOVEA for %s\n", path); goto cleanup; } } else if (rc) { llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get LOVEA for " "%s", argv[1]); goto cleanup; } /* XXX should be llapi_lov_getname() */ rc = llapi_file_get_lov_uuid(argv[1], &uuid); if (rc) { llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lov name for %s", argv[1]); return rc; } lum_file1 = malloc(lum_size); if (lum_file1 == NULL) { rc = -ENOMEM; llapi_error(LLAPI_MSG_ERROR, rc, "error: can't allocate %d bytes for EA", lum_size); goto cleanup; } rc = llapi_file_get_stripe(argv[2], lum_file1); if (rc) { llapi_error(LLAPI_MSG_ERROR, rc, "error: unable to get EA for %s", argv[2]); goto cleanup; } if (argc == 4) { lum_file2 = (struct lov_user_md *)malloc(lum_size); if (lum_file2 == NULL) { rc = -ENOMEM; llapi_error(LLAPI_MSG_ERROR, rc, "error: can't allocate %d " "bytes for file2 EA", lum_size); goto cleanup; } rc = llapi_file_get_stripe(argv[3], lum_file2); if (rc) { llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get EA for %s", argv[3]); goto cleanup; } } rc = compare_lum(&uuid, lum_dir, lum_file1, lum_file2); cleanup: closedir(dir); if (lum_dir != NULL) free(lum_dir); if (lum_file1 != NULL) free(lum_file1); if (lum_file2 != NULL) free(lum_file2); return rc; }
int main(int argc, char **argv) { DIR * dir; struct lov_user_md *lum_dir, *lum_file1 = NULL, *lum_file2 = NULL; int rc; int lum_size; if (argc < 3) { llapi_err(LLAPI_MSG_ERROR, "Usage: %s <dirname> <filename1> [filename2]\n", argv[0]); return 1; } dir = opendir(argv[1]); if (dir == NULL) { rc = errno; llapi_err(LLAPI_MSG_ERROR, "error: %s opendir failed\n", argv[1]); return rc; } lum_size = lov_mds_md_size(MAX_LOV_UUID_COUNT, LOV_MAGIC); if ((lum_dir = (struct lov_user_md *)malloc(lum_size)) == NULL) { rc = ENOMEM; llapi_err(LLAPI_MSG_ERROR, "error: can't allocate %d bytes " "for dir EA", lum_size); goto cleanup; } rc = llapi_file_get_stripe(argv[1], lum_dir); if (rc) { if (errno == ENODATA) { free(lum_dir); lum_dir = NULL; } else { rc = errno; llapi_err(LLAPI_MSG_ERROR, "error: can't get EA for %s\n", argv[1]); goto cleanup; } } /* XXX should be llapi_lov_getname() */ rc = llapi_file_get_lov_uuid(argv[1], &lov_uuid); if (rc) { rc = errno; llapi_err(LLAPI_MSG_ERROR, "error: can't get lov name for %s\n", argv[1]); return rc; } if ((lum_file1 = (struct lov_user_md *)malloc(lum_size)) == NULL) { rc = ENOMEM; llapi_err(LLAPI_MSG_ERROR, "error: can't allocate %d bytes for EA\n", lum_size); goto cleanup; } rc = llapi_file_get_stripe(argv[2], lum_file1); if (rc) { rc = errno; llapi_err(LLAPI_MSG_ERROR, "error: unable to get EA for %s\n", argv[2]); goto cleanup; } if (argc == 4) { lum_file2 = (struct lov_user_md *)malloc(lum_size); if (lum_file2 == NULL) { rc = ENOMEM; llapi_err(LLAPI_MSG_ERROR, "error: can't allocate %d " "bytes for file2 EA\n", lum_size); goto cleanup; } rc = llapi_file_get_stripe(argv[3], lum_file2); if (rc) { rc = errno; llapi_err(LLAPI_MSG_ERROR, "error: can't get EA for %s\n", argv[3]); goto cleanup; } } rc = compare(lum_dir, lum_file1, lum_file2); cleanup: closedir(dir); if (lum_dir != NULL) free(lum_dir); if (lum_file1 != NULL) free(lum_file1); if (lum_file2 != NULL) free(lum_file2); return rc; }