Btrfs-progs: do not run ioctls in check_mounted_where()

We don't need to run ioctls when checking whether btrfs
has mounted somewhere.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/utils.c b/utils.c
index 68aa534..d365380 100644 (file)
--- a/utils.c
+++ b/utils.c
@@ -958,7 +958,7 @@ int check_mounted_where(int fd, const char *file, char *where, int size,
 
        /* scan other devices */
        if (is_btrfs && total_devs > 1) {
-               if((ret = btrfs_scan_for_fsid(1)))
+               if((ret = btrfs_scan_for_fsid(0)))
                        return ret;
        }