Re: [PATCH] target/file: don't zero iter before iov_iter_bvec
From: Martin K. Petersen
Date: Thu Jan 14 2021 - 23:10:00 EST
On Sat, 9 Jan 2021 15:53:27 +0000, Pavel Begunkov wrote:
> iov_iter_bvec() initialises iterators well, no need to pre-zero it
> beforehand as done in fd_execute_rw_aio(). Compilers can't optimise it
> out and generate extra code for that (confirmed with assembly).
Applied to 5.12/scsi-queue, thanks!
[1/1] target/file: don't zero iter before iov_iter_bvec
https://git.kernel.org/mkp/scsi/c/6b1dba3d8c85
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Martin K. Petersen Oracle Linux Engineering