On Fri, 28 Jan 2022 10:58:38 -0500, Mike Snitzer wrote:
> [this v4 is final iteration, should be "ready"...]
>
> Hi Jens,
>
> Just over 3 years ago, with commit a1e1cb72d9649 ("dm: fix redundant
> IO accounting for bios that need splitting") I focused too narrowly on
> fixing the reported potential for redundant accounting for IO totals.
> Which, at least mentally for me, papered over how inaccurate all other
> bio-based DM's IO accounting is for bios that get split.
>
> [...]
Applied, thanks!
[1/3] block: add bio_start_io_acct_time() to control start_time
commit: 5a6cd1d29f2104bd0306a0f839c8b328395b784f
[2/3] dm: revert partial fix for redundant bio-based IO accounting
commit: b6e31a39c63e0214937c8c586faa10122913e935
[3/3] dm: properly fix redundant bio-based IO accounting
commit: 3c4ae3478082388ae9680a932d6bfd54c10fca0d
Best regards,
--
Jens Axboe
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