File 0003-Btrfs-progs-utils-Informative-errors.patch of Package btrfsprogs

From ac1a80f52434d05230f9933d8f68e28cc09e10b0 Mon Sep 17 00:00:00 2001
From: Goldwyn Rodrigues <rgoldwyn@gmail.com>
Date: Mon, 7 Feb 2011 07:34:36 +0000
Subject: [PATCH 03/15] Btrfs-progs utils Informative errors

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 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