Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1419001

Re: [PATCH v6 0/8] block: prepare for multipage bvecs

Show all headers | View raw

On Fri, Jun 10, 2016 at 12:06 AM, Jens Axboe <axboe@kernel.dk> wrote:
> On 05/30/2016 07:34 AM, Ming Lei wrote:
>>
>> Hi,
>>
>> Interests[1] have been shown in multipage bvecs, so this patchset
>> try to prepare for the support and do two things:
>>
>> 1) the 1st 4 patches use bvec iterator to implement iterate_bvec(),
>> then we can drop the non-standard way for iterating bvec, which
>> can be thought as a good cleanup for lib/iov_iter.c
>>
>> 2) remove BIO_MAX_SECTORS and makre BIO_MAX_SIZE as obsolete, and
>> now there is only one user for each. Once multipage bvecs is introduced,
>> one bio may hold lots of sectors, and we should always use sort of
>> BIO_MAX_VECS which should be introduced in future and is similiar
>> with current BIO_MAX_PAGES.
>>
>> The only functional change is iterate_bvec():lib/iov_iter.c
>>
>> xfstests(-a auto) over loop aio is run for ext4/xfs to verify
>> the change and no regression found with this patchset.
>
>
> Added patches 1-7, still waiting for an answer on my reply to #8.

Thanks for adding patches 1-7, and now I just found the added
BIO_MAX_SIZE usage in dm-crypt.c is droped from next, so it is
safe to kill it now.

I will send a new patch #8 against for-4.8/core.

Thanks,
Ming

>
> --
> Jens Axboe
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-block" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Re: [PATCH v6 0/8] block: prepare for multipage bvecs Jens Axboe <axboe@kernel.dk> - 2016-06-09 18:10 +0200
  Re: [PATCH v6 0/8] block: prepare for multipage bvecs Ming Lei <ming.lei@canonical.com> - 2016-06-10 04:50 +0200

csiph-web