From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thadeu Lima de Souza Cascardo Subject: [PATCH] Add error message explaining why opening a device failed Date: Fri, 23 Jan 2009 19:14:48 -0200 Message-ID: <1232745288-4307-2-git-send-email-cascardo@holoscopio.com> References: <1232745288-4307-1-git-send-email-cascardo@holoscopio.com> Cc: Thadeu Lima de Souza Cascardo To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <1232745288-4307-1-git-send-email-cascardo@holoscopio.com> List-ID: Signed-off-by: Thadeu Lima de Souza Cascardo --- disk-io.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/disk-io.c b/disk-io.c index 9e0cfe8..5986709 100644 --- a/disk-io.c +++ b/disk-io.c @@ -530,7 +530,8 @@ struct btrfs_root *open_ctree(const char *filename, u64 sb_bytenr, int writes) fp = open(filename, flags, 0600); if (fp < 0) { - fprintf (stderr, "Could not open %s\n", filename); + fprintf (stderr, "Could not open %s: %s\n", filename, + strerror (errno)); return NULL; } root = open_ctree_fd(fp, filename, sb_bytenr, writes); -- 1.6.0.6