On 1 Apr 2016, at 08:43, Paolo Bonzini <[email protected]> wrote: > > On 31/03/2016 22:17, Alex Bligh wrote: >>>> In qemu, read+FUA just triggers blk_co_flush() prior to reading; but >>>> that's the same function it calls for write+FUA. >> That's harmless, but unnecessary in the sense that current documented >> behaviour doesn't require it. Perhaps it should? >> >> I suppose TRIM etc. should support FUA too? > > TRIM is an advisory operation, so it doesn't make sense to force access > to the medium.
Reflecting, that's correct. FUA can't mean anything sensible for TRIM. -- Alex Bligh ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785471&iu=/4140 _______________________________________________ Nbd-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/nbd-general
