Re: [PATCH] target/file: don't zero iter before iov_iter_bvec
From: Martin K. Petersen
Date: Wed Jan 13 2021 - 00:34:54 EST
Pavel,
> 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-staging, thanks!
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Martin K. Petersen Oracle Linux Engineering