Oops, sorry that From: address was different from the first email...
jhb> Instead, it shouldn't be hard to get a list of configured devices
jhb> out of mdconfig via an ioctl on /dev/mdctl. This would be the
jhb> right fix, as it would fix the general case problem you describe,
jhb> not just one instance of it.
Agreed. We can also detect 'umounted, but configured md devices' with
the output of mount(8) and a list mentioned above.
jhb> mdconfig wont' be able to tell you what file it is attached to by
jhb> filename, but it should be able to ask /dev/mdctl for a list of
jhb> devices and report at least the type of each device (swap, file,
jhb> etc.).
It maybe a stupid question (sorry I have few knowledge about kernel
internal)... Can't we add a space for filename in the structure
of md device?
It would be wonderful if 'mdconfig -l' says:
unit mounted type option
0 /tmp malloc -s=65535,reserve
1 none file /home/matusita/fdimage
2 none swap none
or something like that. If we have a configulation file for mdconfig(8),
this output will be the same of its file format.
-- -
Makoto `MAR' MATSUSHITA
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