On 16.07.19 г. 4:26 ч., Qu Wenruo wrote: > > > On 2019/7/15 下午11:09, Nikolay Borisov wrote: >> >> >> On 15.07.19 г. 17:42 ч., Anand Jain wrote: >>> To help debug device scan issues, add verbose option to btrfs device scan. >>> >>> Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx> >> >> I fail to see what this patch helps for. We get the path in case of >> errors, in case of success what good could the path be ? > > AFAIK it would provide an easy way to debug blkid related bug. > > E.g. scan only works on some devices and misses some devices. In this case (and I already debugged one such case) it's invaluable to use LIBBLKID_DEBUG environment variable, the debug string added in this patch won't help in this particular case. <snip>
