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author | Anand Jain <anand.jain@oracle.com> | 2013-03-14 11:17:19 +0800 |
---|---|---|
committer | David Sterba <dsterba@suse.cz> | 2013-03-14 23:43:04 +0100 |
commit | 44a33d0d14856a6c8c309c98e3223adaca452a30 (patch) | |
tree | d0d2aae5f7eca2d4e56c06ac404793267dbc0293 | |
parent | b14d06ddb94cd750ce26063bebd17772590331de (diff) |
btrfs-progs: print errno string when /dev/btrfs-control open fails
Of recently and intermittently I am seeing open fail
for /dev/btrfs-control (btrfs is loaded), and there are no
dmesg errors, this may not be a complete help in digging
this issue but something which is necessary.
Thanks
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
-rw-r--r-- | utils.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -1024,7 +1024,8 @@ void btrfs_register_one_device(char *fname) fd = open("/dev/btrfs-control", O_RDONLY); if (fd < 0) { fprintf(stderr, "failed to open /dev/btrfs-control " - "skipping device registration\n"); + "skipping device registration: %s\n", + strerror(errno)); return; } strncpy(args.name, fname, BTRFS_PATH_NAME_MAX); |