Re: [PATCH 5/9] block: use ->bi_bdev for bio based I/O accounting

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On Tue, Dec 01, 2020 at 05:54:20PM +0100, Christoph Hellwig wrote:
> Rework the I/O accounting for bio based drivers to use ->bi_bdev.  This
> means all drivers can now simply use bio_start_io_acct to start
> accounting, and it will take partitions into account automatically.  To
> end I/O account either bio_end_io_acct can be used if the driver never
> remaps I/O to a different device, or bio_end_io_acct_remapped if the
> driver did remap the I/O.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

-- 
tejun



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