On 09/12/2020 18:24, Matthew Wilcox wrote:
> On Wed, Dec 09, 2020 at 05:55:53PM +, Christoph Hellwig wrote:
>> On Wed, Dec 09, 2020 at 01:37:05PM +, Pavel Begunkov wrote:
>>> Yeah, I had troubles to put comments around, and it's still open.
>>>
>>> For current cases it can be bound to kiocb
On Wed, Dec 09, 2020 at 05:55:53PM +, Christoph Hellwig wrote:
> On Wed, Dec 09, 2020 at 01:37:05PM +, Pavel Begunkov wrote:
> > Yeah, I had troubles to put comments around, and it's still open.
> >
> > For current cases it can be bound to kiocb, e.g. "if an bvec iter passed
> > "together"
On Wed, Dec 09, 2020 at 01:37:05PM +, Pavel Begunkov wrote:
> Yeah, I had troubles to put comments around, and it's still open.
>
> For current cases it can be bound to kiocb, e.g. "if an bvec iter passed
> "together" with kiocb then the vector should stay intact up to
> ->ki_complete()". But
On 09/12/2020 13:07, Al Viro wrote:
> On Wed, Dec 09, 2020 at 08:36:45AM +, Christoph Hellwig wrote:
>>
>> This is making the iter type even more of a mess than it already is.
>> I think we at least need placeholders for 0/1 here and an explicit
>> flags namespace, preferably after the types.
>
On Wed, Dec 09, 2020 at 08:36:45AM +, Christoph Hellwig wrote:
>
> This is making the iter type even more of a mess than it already is.
> I think we at least need placeholders for 0/1 here and an explicit
> flags namespace, preferably after the types.
>
> Then again I'd much prefer if we didn
On 09/12/2020 09:06, Christoph Hellwig wrote:
> On Wed, Dec 09, 2020 at 08:36:45AM +, Christoph Hellwig wrote:
>> This is making the iter type even more of a mess than it already is.
>> I think we at least need placeholders for 0/1 here and an explicit
>> flags namespace, preferably after the t
On Wed, Dec 09, 2020 at 08:36:45AM +, Christoph Hellwig wrote:
> This is making the iter type even more of a mess than it already is.
> I think we at least need placeholders for 0/1 here and an explicit
> flags namespace, preferably after the types.
>
> Then again I'd much prefer if we didn't
Ok, seems like the patches made it to the lists, while oyu only
send the cover letter to my address which is very strange.
> diff --git a/include/linux/uio.h b/include/linux/uio.h
> index 72d88566694e..af626eb970cf 100644
> --- a/include/linux/uio.h
> +++ b/include/linux/uio.h
> @@ -18,6 +18,8 @@
Add ITER_BVEC_FLAG_FIXED iov iter flag, which will allow us to reuse
passed in bvec instead of copying it. In particular it means that
iter->bvec won't be freed and page references are taken remain so
until callees don't need them, including asynchronous execution.
Signed-off-by: Pavel Begunkov
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