Re: list subvolumes with new btrfs command

[sniper <s3c24xx@gmail.com>]

2010/4/26 C Anthony Risinger <anthony@extof.me>:
>> need super root? in my ubuntu10.04 with latest btrfs-progs:
>>
>> $ ./btrfs subvolume list /media/sda3-100g/
>> ERROR: can't perform the search
>> $ sudo ./btrfs subvolume list /media/sda3-100g/
>> ID 258 top level 5 path misc/snap/snap-4-26
>
> ah sorry, i forgot to mention that it doesn't work as super user
> either, same result:
>
> $ sudo btrfs subvolume list /
> ERROR: can't perform the search
>
> the btrfs-progs in ubuntu is probably slightly behind git HEAD (what
> i'm using in Arch package), maybe it broke recently, i might try to
> bisect and see it i can pinpoint to problem commit. =C2=A0i am also u=
sing
> kernel 2.6.33 (ubuntu is .32 i think) that's why i thought maybe ther=
e
> was an issue there; it seems like the ioctl() call is failing no
> matter what in my case.
>
I am using ubuntu-10.04-rc with kernel compiled from the almost
lastest source , the btrfs-progs is latest too.

You can modify line

 fprintf(stderr, "ERROR: can't perform the search\n");
to
 fprintf(stderr, "ERROR: can't perform the search: %s\n", strerror(errn=
o));

to see what happened on earth.
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