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(parent: 7075a40) | patch
dmsquash: Add rd.live.overlay.thin
authorFabian Deutsch <fabiand@fedoraproject.org>
Wed, 18 Feb 2015 13:31:40 +0000 (14:31 +0100)
committerHarald Hoyer <harald@redhat.com>
Thu, 19 Feb 2015 09:59:54 +0000 (10:59 +0100)
commitd6e34d362a05cda61baaf8e231ad3f0e8665a9cc
tree7b7568050ffacee9f2cc720e5e737ca1e083ac1atree | snapshot
parent7075a402d741b0bab1f47ffdec130926b38e3004commit | diff
dmsquash: Add rd.live.overlay.thin

This option changes the underlying mechanism for the overlay in the
dmsquash module.
Instead of a plain dm snapshot a dm thin snapshot is used. The advantage
of the thin snapshot is, that the TRIM command is recognized, which
means that at runtime, only the occupied blocks will be claimed from
memory, and freed blocks will really be freed in ram.

Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>
dracut.cmdline.7.asc diff | blob | blame | history
modules.d/90dmsquash-live/dmsquash-live-root.sh diff | blob | blame | history
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