Bug#501736: dmsetup: please prevent udev from creating /dev/dm-* nodes
Mario 'BitKoenig' Holbe
Mario.Holbe at TU-Ilmenau.DE
Thu Oct 9 21:30:18 UTC 2008
Package: dmsetup
Version: 2:1.02.27-4
Severity: wishlist
Tags: patch
Hello,
while dmsetup creates /dev/mapper/<name> device nodes (itself? I think
it does it itself), udev creates /dev/dm-<minor> nodes which are exposed
to the user (via df, for example) when filesystems are mounted via
LABEL= or UUID= ... this is because findfs returns the /dev/dm-<minor>
node.
This can be suppressed by telling udev a different device NAME, in which
case findfs returns the descriptive node.
Patch attached.
Perhaps... for backward compatibility one could additionally
SYMLINK+="%k". Don't know if this is really needed, since the dm-<minor>
nodes are quite dynamic anyways.
Thanks for your work & regards
Mario
--
File names are infinite in length where infinity is set to 255 characters.
-- Peter Collinson, "The Unix File System"
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