On 10/08/2018 06:37 PM, Holger Hoffstätte wrote:
> On 10/08/18 17:46, Hans van Kranenburg wrote:
>
>> fs.devices() also looks for dev_items in the chunk tree:
>>
>> https://github.com/knorrie/python-btrfs/blob/master/btrfs/ctree.py#L481
>>
>> So, BOOM! you need root.
>>
>> Or just start a 0,
On 10/08/18 17:46, Hans van Kranenburg wrote:
fs.devices() also looks for dev_items in the chunk tree:
https://github.com/knorrie/python-btrfs/blob/master/btrfs/ctree.py#L481
So, BOOM! you need root.
Or just start a 0, ignore errors and start trying all devids until you
found num_devices
On 10/08/2018 05:29 PM, Holger Hoffstätte wrote:
> On 10/08/18 16:40, Hans van Kranenburg wrote:
>>> Looking at the kernel side of things in fs/btrfs/ioctl.c I see both
>>> BTRFS_IOC_TREE_SEARCH[_V2} unconditionally require CAP_SYS_ADMIN.
>>
>> That's the tree search ioctl, for reading arbitrary
On 10/08/18 16:40, Hans van Kranenburg wrote:
Looking at the kernel side of things in fs/btrfs/ioctl.c I see both
BTRFS_IOC_TREE_SEARCH[_V2} unconditionally require CAP_SYS_ADMIN.
That's the tree search ioctl, for reading arbitrary metadata.
The device stats ioctl is IOC_GET_DEV_STATS...
On 10/08/2018 04:40 PM, Hans van Kranenburg wrote:
> On 10/08/2018 04:27 PM, Holger Hoffstätte wrote:
>> (moving the discussion here from GH [1])
>>
>> Apparently there is something weird going on with the device stats
>> ioctls. I cannot get them to work as regular user, while they work
>> for
On 10/08/2018 04:27 PM, Holger Hoffstätte wrote:
> (moving the discussion here from GH [1])
>
> Apparently there is something weird going on with the device stats
> ioctls. I cannot get them to work as regular user, while they work
> for David. A friend confirms the same issue on his system - no
(moving the discussion here from GH [1])
Apparently there is something weird going on with the device stats
ioctls. I cannot get them to work as regular user, while they work
for David. A friend confirms the same issue on his system - no access
as non-root.
So I made a new empty fs, mounted it,
