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Re: JFFS compression and hard links.
> Another issue to consider is decompression buffer space. If you
> compress a whole file, you could need a good bit of buffer space,
> whereas if you limit the chunks that you're compressing to 32k-64k
> you can still get good compresion and don't have to worry too much
> about running out of RAM.
We already restrict nodes to erasesize/2 in size, which is typically around
64K. It's feasible to reduce that further to get sensible behaviour with
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