Re: [PATCH] fs/ceph/file: fix memory leaks in __ceph_sync_read()

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On Thu, Dec 5, 2024 at 2:08 PM Max Kellermann <max.kellermann@xxxxxxxxx> wrote:
>
> On Thu, Dec 5, 2024 at 1:57 PM Alex Markuze <amarkuze@xxxxxxxxxx> wrote:
> >
> > I will explain the process for ceph client patches. It's important to
> > note: The process itself and part of the automation is still evolving
> > and so many things have to be done manually.
>
> None of this answers any of my questions on your negative review comments.
>
> > I will break it up into three separate patches, as it addresses three
> > different issues.
>
> ... one of which will be my patch.

It looks like Alex's preference is to address these memory leaks by
passing true for own_pages to osd_req_op_extent_osd_data_pages() and
adjusting where the OSD request is put accordingly -- this is what he
folded in his WIP patch which was posted in Luis' thread [1] the day
after this patch and pushed to the testing branch earlier today [2].
Unfortunately an update to this thread was missed, leaving everyone
including myself confused.

Max, would you be willing to redo this patch to pass true for own_pages
and post a v2?  There is nothing "bad", "partial" or otherwise wrong
with this version, but having the pages be taken care of automatically
is a bit nicer and a conflict with Alex's ongoing work would be avoided.

[1] https://lore.kernel.org/ceph-devel/CAO8a2ShzHuTizjY+T+RNr28XLGOJPNoXJf1rQUburMBVwJywMA@xxxxxxxxxxxxxx/
[2] https://github.com/ceph/ceph-client/commit/2a802a906f9c89f8ae492dbfcd82ff41272abab1

Thanks,

                Ilya





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