From ac1a80f52434d05230f9933d8f68e28cc09e10b0 Mon Sep 17 00:00:00 2001 From: Goldwyn Rodrigues Date: Mon, 7 Feb 2011 07:34:36 +0000 Subject: [PATCH 03/15] Btrfs-progs utils Informative errors Signed-off-by: Chris Mason --- utils.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/utils.c b/utils.c index 96ef94d..d8c3dcc 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, -- 1.7.5.2.353.g5df3e