Re: [PATCH v2] btrfs-progs: dump-tree: add degraded option

[Anand Jain <anand.jain@oracle.com>]

>> diff --git a/cmds-inspect-dump-tree.c b/cmds-inspect-dump-tree.c
>> index df44bb635c9c..d2676ce55af7 100644
>> --- a/cmds-inspect-dump-tree.c
>> +++ b/cmds-inspect-dump-tree.c
>> @@ -198,6 +198,7 @@ const char * const cmd_inspect_dump_tree_usage[] = {
>>   	"-u|--uuid              print only the uuid tree",
>>   	"-b|--block <block_num> print info from the specified block only",
>>   	"-t|--tree <tree_id>    print only tree with the given id (string or number)",
>> +	"-x|--noscan            use the disk in the arg, do not scan for the disks (for raid1)",
> 
> Still it looks a little too restrict.
> 
> What about some equivalent just like kernel "device=" mount option?

  You mean something like..

"-o  use the disk(s) in the arg, do not scan for additional disks",

    btrfs in dump-tree [options] -o [device=<dev1>,device=<dev2>] <dev3>
    btrfs in dump-tree [options] -o <dev>
    btrfs in dump-tree [options] -o <dev1> -o <dev2> <dev3>

  I am ok.

Thanks, Anand