On Thursday 07 May 2009, Pavel Machek wrote: > Hi! > > > I'd like to submit TuxOnIce for review, with a view to seeking to get it > > merged, perhaps in 2.6.31 or .32 (depending upon what needs work before > > it can be merged) and the willingness of those who matter. > > > > To briefly summarise the advantages to merging TuxOnIce: > > > > - Support for multiple swap devices > > - Support for non-swap (an ordinary file can be used) > > - Uses cryptoapi (LZO support, more than 2x speed of uncompressed data!) > > - Asynchronous I/O, readahead, multithreaded. Get the maximum throughput > > possible with your hardware. > > - Userspace user interface that lets you abort hibernating and abort > > resuming, get nice progress display etc. > > All these are either done by uswsusp already, or could be done w/o > modifying kernel code. > > > - 8 years of testing and improvement. > > Yeah, 8 years of out of tree testing; while current code is used by > basically every distro out there. > > > - Full image of memory (LRU pages that don't need to be atomically > > copied are saved prior to the atomic copy, then used as the > > destination of the atomic copy). > > Yeah, that was the patch that did not go in > > > - Support for resuming a different image after writing an image - makes > > powering down a UPS after writing an image doable. > > > This can be done w/o kernel code. Someone had a patch... > > > - Simple to set up (works without any userspace binaries, uses existing > > resume= and noresume commandline parameters). > > Given that distros ship uswsusp already... is that really an advantage. > > To summarise disadvantages: > > - only core has 8000 LoC > - it does stuff that can be easily done in userspace > (and that todays distros _do_ in userspace). > - it duplicates uswsusp functionality. > - compared to [u]swsusp, it received little testing Actually, I see advantages of working together versus fighting flame wars. Please stop that, I'm not going to take part in it this time. Best, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
