btrfs utils errors on removable media devices with no media that cannot be read. Make the error more informative using strerror so it may be safely be ignored by users. Also corrected the directory name of the device directory being scanned. diff --git a/utils.c b/utils.c index fd894f3..589bfd7 100644 --- a/utils.c +++ b/utils.c @@ -867,7 +867,7 @@ again: } dirp = opendir(dirname); if (!dirp) { - fprintf(stderr, "Unable to open /sys/block for scanning\n"); + fprintf(stderr, "Unable to open %s for scanning\n", dirname); return -ENOENT; } while(1) { @@ -902,7 +902,8 @@ again: } fd = open(fullpath, O_RDONLY); if (fd < 0) { - fprintf(stderr, "failed to read %s\n", fullpath); + fprintf(stderr, "failed to read %s: %s\n", fullpath, + strerror(errno)); continue; } ret = btrfs_scan_one_device(fd, fullpath, &tmp_devices, -- Goldwyn -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html