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;
}
Exemple #2
0
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;
}