Re: [PATCH 10/16] block: optimise blkdev_bio_end_io()

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On 10/20/21 07:30, Christoph Hellwig wrote:
On Tue, Oct 19, 2021 at 10:24:19PM +0100, Pavel Begunkov wrote:
Save dio->flags in a variable, so it doesn't reload it a bunch of times.
Also use cached in a var iocb for the same reason.

Same question again, does this really make a difference?  We really

No, will remove the patch

shouldn't have to try to work around the compiler like this (even if
this relatively harmless in the end).


--
Pavel Begunkov



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