On Wed, 2020-12-23 at 15:23 -0500, Douglas Gilbert wrote:
> On 2020-12-23 11:04 a.m., James Bottomley wrote:
> > On Wed, 2020-12-23 at 15:51 +, Christoph Hellwig wrote:
> > > On Wed, Dec 23, 2020 at 12:52:59PM +, Pavel Begunkov wrote:
> > > > Can scatterlist have 0-len entries? Those are
On 2020-12-24 1:41 a.m., Christoph Hellwig wrote:
On Wed, Dec 23, 2020 at 08:32:45PM +, Pavel Begunkov wrote:
On 23/12/2020 20:23, Douglas Gilbert wrote:
On 2020-12-23 11:04 a.m., James Bottomley wrote:
On Wed, 2020-12-23 at 15:51 +, Christoph Hellwig wrote:
On Wed, Dec 23, 2020 at
On Wed, Dec 23, 2020 at 08:32:45PM +, Pavel Begunkov wrote:
> On 23/12/2020 20:23, Douglas Gilbert wrote:
> > On 2020-12-23 11:04 a.m., James Bottomley wrote:
> >> On Wed, 2020-12-23 at 15:51 +, Christoph Hellwig wrote:
> >>> On Wed, Dec 23, 2020 at 12:52:59PM +, Pavel Begunkov wrote:
On 23/12/2020 20:23, Douglas Gilbert wrote:
> On 2020-12-23 11:04 a.m., James Bottomley wrote:
>> On Wed, 2020-12-23 at 15:51 +, Christoph Hellwig wrote:
>>> On Wed, Dec 23, 2020 at 12:52:59PM +, Pavel Begunkov wrote:
Can scatterlist have 0-len entries? Those are directly translated
On 2020-12-23 11:04 a.m., James Bottomley wrote:
On Wed, 2020-12-23 at 15:51 +, Christoph Hellwig wrote:
On Wed, Dec 23, 2020 at 12:52:59PM +, Pavel Begunkov wrote:
Can scatterlist have 0-len entries? Those are directly translated
into bvecs, e.g. in nvme/target/io-cmd-file.c and
On Wed, 2020-12-23 at 15:51 +, Christoph Hellwig wrote:
> On Wed, Dec 23, 2020 at 12:52:59PM +, Pavel Begunkov wrote:
> > Can scatterlist have 0-len entries? Those are directly translated
> > into bvecs, e.g. in nvme/target/io-cmd-file.c and
> > target/target_core_file.c. I've audited most
On Wed, Dec 23, 2020 at 12:52:59PM +, Pavel Begunkov wrote:
> Can scatterlist have 0-len entries? Those are directly translated into
> bvecs, e.g. in nvme/target/io-cmd-file.c and target/target_core_file.c.
> I've audited most of others by this moment, they're fine.
For block layer SGLs we
On 22/12/2020 14:11, Christoph Hellwig wrote:
> On Tue, Dec 15, 2020 at 02:05:35PM +, Pavel Begunkov wrote:
>>> You may find clue from the following link:
>>>
>>> https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2262077.html
>>
>> Thanks for the link!
>>
>> Al, you mentioned
On Tue, Dec 15, 2020 at 02:05:35PM +, Pavel Begunkov wrote:
> > You may find clue from the following link:
> >
> > https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2262077.html
>
> Thanks for the link!
>
> Al, you mentioned "Zero-length segments are not disallowed", do you have
On 15/12/2020 12:03, Ming Lei wrote:
> On Tue, Dec 15, 2020 at 11:14:20AM +, Pavel Begunkov wrote:
>> On 15/12/2020 01:41, Ming Lei wrote:
>>> On Tue, Dec 15, 2020 at 12:20:19AM +, Pavel Begunkov wrote:
Instead of creating a full copy of iter->bvec into bio in direct I/O,
the
On Tue, Dec 15, 2020 at 11:14:20AM +, Pavel Begunkov wrote:
> On 15/12/2020 01:41, Ming Lei wrote:
> > On Tue, Dec 15, 2020 at 12:20:19AM +, Pavel Begunkov wrote:
> >> Instead of creating a full copy of iter->bvec into bio in direct I/O,
> >> the patchset makes use of the one provided. It
On 15/12/2020 01:41, Ming Lei wrote:
> On Tue, Dec 15, 2020 at 12:20:19AM +, Pavel Begunkov wrote:
>> Instead of creating a full copy of iter->bvec into bio in direct I/O,
>> the patchset makes use of the one provided. It changes semantics and
>> obliges users of asynchronous kiocb to track
On Tue, Dec 15, 2020 at 12:20:19AM +, Pavel Begunkov wrote:
> Instead of creating a full copy of iter->bvec into bio in direct I/O,
> the patchset makes use of the one provided. It changes semantics and
> obliges users of asynchronous kiocb to track bvec lifetime, and [1/6]
> converts the only
Instead of creating a full copy of iter->bvec into bio in direct I/O,
the patchset makes use of the one provided. It changes semantics and
obliges users of asynchronous kiocb to track bvec lifetime, and [1/6]
converts the only place that doesn't.
bio_iov_iter_get_pages() is still does
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