Re: [Bug report] Since 5.17 kernel, non existing files may be treated as remote DFS entries

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J. Pablo González <disablez@xxxxxxxxxxxx> writes:

> On Mon, Jan 16, 2023 at 2:02 PM Paulo Alcantara <pc@xxxxxx> wrote:
>>
>> J. Pablo González <disablez@xxxxxxxxxxxx> writes:
>>
>> > We’re experiencing some issues when accessing some mounts in a DFS
>> > share, which seem to happen since kernel 5.17.
>> >
>> > After some investigation, we’ve pinpointed the origin to commit
>> > a2809d0e16963fdf3984409e47f145
>> > cccb0c6821
>> > - Original BZ for that is https://bugzilla.kernel.org/show_bug.cgi?id=215440
>> > - Patch discussion is at
>> > https://patchwork.kernel.org/project/cifs-client/patch/YeHUxJ9zTVNrKveF@xxxxxxxxxxx/
>> > - Similar issues referenced in https://bugzilla.suse.com/show_bug.cgi?id=1198753
>>
>> 6.2-rc4 has
>>
>>         c877ce47e137 ("cifs: reduce roundtrips on create/qinfo requests")
>>
>> which should fix your issue.
>>
>> Could you try it?  Thanks.
>
> I'll still need to test it more thoroughly, but for now, this patch
> seems to have fixed all issues, including the "-o nodfs ones." Thank
> you!

OK - thanks for quickily testing it!

> Any chance this could be formally backported to 6.1.x ? I see it's
> only tagged for 6.2-rc for now.

Absolutely.  Will take care of that.




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