On Wed, Nov 9, 2011 at 2:48 PM, Lubos Kolouch <lubos.kolouch@xxxxxxxxx> wrote: > Sorry for possibly OT question - when I have historical btrfs system > mounted with zlib compression, > > can I remount it with lzo ? yes > What will happen? Will the COW be broken > and the files taking duplicate space? Or will the Universe explode and > be replaced with something even more bizzare? New written block/extents will use lzo compression (if it's compressible, or if it's mounted with compress-force). Old, unmodified block/extents will remain unchanged, using zlib or uncompressed. -- Fajar -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
