memset(buf, 0, len);
ret = pwrite(fd, buf, len, offset);
if (ret < 0) {
- error("cannot wipe existing superblock: %s", strerror(errno));
+ error("cannot wipe existing superblock: %m");
ret = -1;
} else if (ret != len) {
error("cannot wipe existing superblock: wrote %d of %zd", ret, len);
ret = fstat(fd, &st);
if (ret < 0) {
- error("unable to stat %s: %s", file, strerror(errno));
+ error("unable to stat %s: %m", file);
return 1;
}
fd = open(dev, O_RDONLY);
if (fd < 0) {
ret = -errno;
- error("cannot open %s: %s", dev, strerror(errno));
+ error("cannot open %s: %m", dev);
goto out;
}
return -1;
}
ret = open_file_or_dir(mp, dirstream);
- error_on(verbose && ret < 0, "can't access '%s': %s",
- path, strerror(errno));
+ error_on(verbose && ret < 0, "can't access '%s': %m",
+ path);
} else {
ret = btrfs_open_dir(path, dirstream, 1);
}
int ret;
if (statfs(path, &stfs) != 0) {
- error_on(verbose, "cannot access '%s': %s", path,
- strerror(errno));
+ error_on(verbose, "cannot access '%s': %m", path);
return -1;
}
}
if (stat(path, &st) != 0) {
- error_on(verbose, "cannot access '%s': %s", path,
- strerror(errno));
+ error_on(verbose, "cannot access '%s': %m", path);
return -1;
}
ret = open_file_or_dir(path, dirstream);
if (ret < 0) {
- error_on(verbose, "cannot access '%s': %s", path,
- strerror(errno));
+ error_on(verbose, "cannot access '%s': %m", path);
}
return ret;
fd = open(file, O_RDONLY);
if (fd < 0) {
- error("mount check: cannot open %s: %s", file,
- strerror(errno));
+ error("mount check: cannot open %s: %m", file);
return -errno;
}
fd = open("/dev/btrfs-control", O_RDWR);
if (fd < 0) {
warning(
- "failed to open /dev/btrfs-control, skipping device registration: %s",
- strerror(errno));
+ "failed to open /dev/btrfs-control, skipping device registration: %m");
return -errno;
}
memset(&args, 0, sizeof(args));
strncpy_null(args.name, fname);
ret = ioctl(fd, BTRFS_IOC_SCAN_DEV, &args);
if (ret < 0) {
- error("device scan failed on '%s': %s", fname,
- strerror(errno));
+ error("device scan failed on '%s': %m", fname);
ret = -errno;
}
close(fd);
fd = open(mount_path, O_RDONLY | O_NOATIME);
if (fd < 0) {
- error("unable to access %s: %s", mount_path, strerror(errno));
+ error("unable to access %s: %m", mount_path);
return -1;
}
memset(label, 0, sizeof(label));
__strncpy_null(label, labelp, BTRFS_LABEL_SIZE - 1);
if (ioctl(fd, BTRFS_IOC_SET_FSLABEL, label) < 0) {
- error("unable to set label of %s: %s", mount_path,
- strerror(errno));
+ error("unable to set label of %s: %m", mount_path);
close(fd);
return -1;
}
fd = open(mount_path, O_RDONLY | O_NOATIME);
if (fd < 0) {
- error("unable to access %s: %s", mount_path, strerror(errno));
+ error("unable to access %s: %m", mount_path);
return -1;
}
ret = ioctl(fd, BTRFS_IOC_GET_FSLABEL, label);
if (ret < 0) {
if (errno != ENOTTY)
- error("unable to get label of %s: %s", mount_path,
- strerror(errno));
+ error("unable to get label of %s: %m", mount_path);
ret = -errno;
close(fd);
return ret;
fd = open(path, O_RDONLY);
if (fd < 0) {
ret = -errno;
- error("cannot open %s: %s", path, strerror(errno));
+ error("cannot open %s: %m", path);
goto out;
}
ret = check_mounted_where(fd, path, mp, sizeof(mp),
fd = open(path, O_RDONLY);
if (fd < 0) {
- error("cannot open %s: %s", path, strerror(errno));
+ error("cannot open %s: %m", path);
continue;
}
ret = btrfs_scan_one_device(fd, path, &tmp_devices,