Re: [PATCH] zram: take device and not only bvec offset into account

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On (23/08/05 10:13), Christoph Hellwig wrote:
> On Sat, Aug 05, 2023 at 04:46:45PM +0900, Sergey Senozhatsky wrote:
> > > Fixes: af8b04c63708 ("zram: simplify bvec iteration in __zram_make_request")
> > > Reported-by: Dusty Mabe <dusty@xxxxxxxxxxxxx>
> > > Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> > 
> > Acked-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
> 
> Btw, are there any interesting test suites you want me to run on
> a > 4K page size system now that I do have this setup available?

I don't really have any special tests. I used to run fio, but switched
to a shell script that:

1) configures zram0 and adds zram1 as writeback
2) mkfs.ext4 on zram0, cp linux tar.gz, compile (in parallel)
3) deferred recompress (idle and size based)
4) idle writeback
5) re-reads all writtenback pages

I test on a system with 4K pages, tho, I probably need to get an image
with larger PAGE_SIZE.



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