From bdac35cea24d11d3bcb6682038f907ba05484525 Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Wed, 15 Oct 2014 08:46:54 +0800 Subject: btrfs-progs: open RW to register device using btrfs-control We are passing device path to be registered with in kernel, so we need to open with RW Signed-off-by: Anand Jain Signed-off-by: David Sterba --- utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/utils.c b/utils.c index e86292ac..b65eef70 100644 --- a/utils.c +++ b/utils.c @@ -1246,7 +1246,7 @@ void btrfs_register_one_device(char *fname) int ret; int e; - fd = open("/dev/btrfs-control", O_RDONLY); + fd = open("/dev/btrfs-control", O_RDWR); if (fd < 0) { fprintf(stderr, "failed to open /dev/btrfs-control " "skipping device registration: %s\n", -- cgit v1.2.3