Re: [PATCH v3 0/7] no-copy bvec

[PATCH v3 0/7] no-copy bvec · Pavel Begunkov <asml.silence@gmail.com> · 2021-01-09
[PATCH v3 4/7] target/file: allocate the bvec array as part of struct target_core_file_cmd · Pavel Begunkov <asml.silence@gmail.com> · 2021-01-09
Re: [PATCH v3 4/7] target/file: allocate the bvec array as part of struct target_core_file_cmd · Ming Lei <hidden> · 2021-01-11
[PATCH v3 3/7] block/psi: remove PSI annotations from direct IO · Pavel Begunkov <asml.silence@gmail.com> · 2021-01-09
Re: [PATCH v3 3/7] block/psi: remove PSI annotations from direct IO · Ming Lei <hidden> · 2021-01-11
[PATCH v3 1/7] splice: don't generate zero-len segement bvecs · Pavel Begunkov <asml.silence@gmail.com> · 2021-01-09
Re: [PATCH v3 1/7] splice: don't generate zero-len segement bvecs · Ming Lei <hidden> · 2021-01-11
[PATCH v3 2/7] bvec/iter: disallow zero-length segment bvecs · Pavel Begunkov <asml.silence@gmail.com> · 2021-01-09
Re: [PATCH v3 2/7] bvec/iter: disallow zero-length segment bvecs · Ming Lei <hidden> · 2021-01-11
[PATCH v3 6/7] bio: add a helper calculating nr segments to alloc · Pavel Begunkov <asml.silence@gmail.com> · 2021-01-09
Re: [PATCH v3 6/7] bio: add a helper calculating nr segments to alloc · Ming Lei <hidden> · 2021-01-11
[PATCH v3 7/7] bio: don't copy bvec for direct IO · Pavel Begunkov <asml.silence@gmail.com> · 2021-01-09
Re: [PATCH v3 7/7] bio: don't copy bvec for direct IO · Ming Lei <hidden> · 2021-01-11
[PATCH v3 5/7] iov_iter: optimise bvec iov_iter_advance() · Pavel Begunkov <asml.silence@gmail.com> · 2021-01-09
Re: [PATCH v3 5/7] iov_iter: optimise bvec iov_iter_advance() · Ming Lei <hidden> · 2021-01-11
Re: [PATCH v3 0/7] no-copy bvec · Jens Axboe <axboe@kernel.dk> · 2021-01-26

From: Jens Axboe <axboe@kernel.dk>
Date: 2021-01-26 02:41:53
Also in: linux-block, linux-doc, linux-fsdevel, linux-scsi, linux-xfs, lkml, target-devel

On 1/9/21 9:02 AM, Pavel Begunkov wrote:

Currently, when iomap and block direct IO gets a bvec based iterator
the bvec will be copied, with all other accounting that takes much
CPU time and causes additional allocation for larger bvecs. The
patchset makes it to reuse the passed in iter bvec.

Applied, thanks.

-- 
Jens Axboe

`h`	back out one level
`j`	next message in thread
`k`	previous message in thread
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help