[Bug 221935] fix: swapon/swapoff can't handle md-based file swap with geli from fstab

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Aug 30 10:25:52 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221935

            Bug ID: 221935
           Summary: fix: swapon/swapoff can't handle md-based file swap
                    with geli from fstab
           Product: Base System
           Version: 10.3-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: freebsd-d9e at fasterix.frmug.org

Created attachment 185915
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=185915&action=edit
patch for /usr/src/sbin/swapon/swapon.c

>From fstab, swapon/swapoff/swapctl can handle file-based swap using md, and
partition-based swap with geli by appending .eli to the disk name in fstab, but
it doesn't recognize the .eli suffix when applied to a md-based swap.

Attached is a patch to enable this use case.

Note: the same problem exists with the .bde suffix but as it seems to me that
gbde is deprecated, I didn't bother writing the relevant code. It would
probably follow a similar pattern.

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