On 8/18/20 10:10 AM, Pino Toscano wrote:
What about stat()ing /dev/mapper/control? That should give you the
major/minor of that special character device.
That won't help. We need to get the major of devmapper targets. For
instance, if there is /dev/dm-0 node, it's going to be a block device
On Tue, Aug 18, 2020 at 09:54:25 +0200, Michal Privoznik wrote:
[...]
> As promised yesterday, I've dived into the code and found out that the major
> number can be specified as a parameter to the dm module (just tested and it
> works). So the next thing I tried was to see how could we check whet
On Tuesday, 18 August 2020 09:54:25 CEST Michal Privoznik wrote:
> On 8/17/20 5:58 PM, Peter Krempa wrote:
> > On Mon, Aug 17, 2020 at 17:40:04 +0200, Michal Privoznik wrote:
> >> On 8/17/20 5:16 PM, Peter Krempa wrote:
> >>> On Mon, Aug 17, 2020 at 16:26:54 +0200, Michal Privoznik wrote:
> In
On 8/17/20 5:58 PM, Peter Krempa wrote:
On Mon, Aug 17, 2020 at 17:40:04 +0200, Michal Privoznik wrote:
On 8/17/20 5:16 PM, Peter Krempa wrote:
On Mon, Aug 17, 2020 at 16:26:54 +0200, Michal Privoznik wrote:
In one of my latest patch (v6.6.0~30) I was trying to remove
libdevmapper use in favor
On Mon, Aug 17, 2020 at 17:40:04 +0200, Michal Privoznik wrote:
> On 8/17/20 5:16 PM, Peter Krempa wrote:
> > On Mon, Aug 17, 2020 at 16:26:54 +0200, Michal Privoznik wrote:
> > > In one of my latest patch (v6.6.0~30) I was trying to remove
> > > libdevmapper use in favor of our own implementation.
On 8/17/20 5:16 PM, Peter Krempa wrote:
On Mon, Aug 17, 2020 at 16:26:54 +0200, Michal Privoznik wrote:
In one of my latest patch (v6.6.0~30) I was trying to remove
libdevmapper use in favor of our own implementation. However, the
code did not take into account that device mapper can be not
comp
On Mon, Aug 17, 2020 at 16:26:54 +0200, Michal Privoznik wrote:
> In one of my latest patch (v6.6.0~30) I was trying to remove
> libdevmapper use in favor of our own implementation. However, the
> code did not take into account that device mapper can be not
> compiled into the kernel (e.g. be a sep
In one of my latest patch (v6.6.0~30) I was trying to remove
libdevmapper use in favor of our own implementation. However, the
code did not take into account that device mapper can be not
compiled into the kernel (e.g. be a separate module that's not
loaded) in which case /proc/devices won't have t
