On 05/04/2016 07:09, Kevin Wolf wrote: > > TRIM is an advisory operation, so it doesn't make sense to force access > > to the medium. > > I think it does make sense. It means that on completion there is no > pending discard operation (i.e. either there wasn't a discard or if > there was, it has completed) and other readers will see the final state > of the blocks.
This is what already happens though, isn't it? Paolo >> > The closest you could get would be to add FUA to WRITE_ZEROES. But >> > since WRITE_ZEROES is not a particularly common operation there isn't >> > much to gain compared to FLUSHing after the write has completed; in >> > fact SCSI doesn't have a FUA bit on its WRITE SAME command. > Right, I guess this would mostly be for consistency when FUA is > supported more or less everywhere else.
