[Bug 1469143] [NEW] kpartx -d fails with image paths longer than 63 characters

Public bug reported: $ apt-show-versions multipath-tools multipath-tools:amd64/vivid 0.4.9-3ubuntu12 uptodate Reproduce: Mount an image from a path longer than 63 chars succeeds: $ sudo kpartx -av asfd1asdf2asdf3asdf4asdf5asdf6asfd7asdf8asdf9asf10asdf11asdf12asdf13/disk.img add map loop0p1

[Bug 1469143] [NEW] kpartx -d fails with image paths longer than 63 characters

Public bug reported: $ apt-show-versions multipath-tools multipath-tools:amd64/vivid 0.4.9-3ubuntu12 uptodate Reproduce: Mount an image from a path longer than 63 chars succeeds: $ sudo kpartx -av asfd1asdf2asdf3asdf4asdf5asdf6asfd7asdf8asdf9asf10asdf11asdf12asdf13/disk.img add map loop0p1