Messages in this thread | | | Date | Thu, 13 May 2010 18:15:31 +0300 | From | Pekka Enberg <> | Subject | Re: [PATCH] ramzswap: Remove backing swap support |
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Nitin Gupta wrote: > Currently, each ramzswap device can be assigned > a separate 'backing swap' file/partition. The ramzswap > driver forwards swap I/O requests to this backing swap > whenever an incompressible page is found. > > This feature adds nearly 700 lines of code and it > also duplicates much of the swapon() functionality > (for example, finding swap extents and so on). Removing > this code makes the driver much simpler and should > help its transition from staging to stable drivers > area (drivers/block/). > > Similar functionality may be implemented if we can > implement migrating pages across swap devices but the > details have not yet been worked out. > > Support for _partitions_ as backing swap could be > retained as it requires a few lines of code only. > This part can be re-introduced later if above swap > migration method turns out to be infeasible. > > More cleanups and code comments will be added soon. > > Signed-off-by: Nitin Gupta <ngupta@vflare.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
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