Re: fdisk -l is mute

[Christian Franke <Christian dot Franke at t-online dot de>]

Corinna Vinschen wrote:
> On Dec 10 22:37, Christian Franke wrote:
> > Fergus Daly wrote:
> > > If util-linux is installed then
> > > $ /usr/sbin/fdisk
> > > returns a list of options as expected; but choosing one of them
> > > $ /usr/sbin/fdisk -l
> > > is mute.
> > > In the past this has returned filesystem summaries as expected.
> > > Windows 7, all up to date.
> > > Anybody else?
> > Could reproduce this.
> >
> > The option -l still works if a device is specified:
> >
> > # fdisk -l /dev/sdX
> > ...
> > Disk /dev/sda: 1.8 TiB, ...
> >
> > Is this probably because the format of /proc/partitions has changed due to
> > the new (& useful!) win-mounts column?
> The win-mount column is empty for disk entries, only filled for
> partitions.  In theory that shouldn't bother fdisk which only looks
> for disk entries.  Or, does it?

It doesn't.

A quick look in the source shows that the function 
sysfs_devname_to_devno() now only checks the path /sys/block/sdX/dev if 
the device name does not start with /dev/. I presume upstream has 
removed a fallback to /dev/sdX because this is no longer required on Linux.

Christian


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