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SubjectRe: WARNING at fs/nfs/write.c:743 nfs_inode_remove_request with -rc6
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On Oct 20, 2014, at 9:57 AM, Will Deacon <will.deacon@arm.com> wrote:

> On Sat, Oct 11, 2014 at 02:32:29PM +0100, Weston Andros Adamson wrote:
>> Hey Will,
>
> Hi again, Andros,
>
>> I’ve been very busy, but I haven’t forgotten about your bug report!
>
> No problem, I've been busy too. I just checked with -rc1 and I can reproduce
> the issue there too.
>
>> I think the WARN_ON_ONCE is just wrong, there are cases where the
>> PG_INODE_REF flag is legitimately not set. The flag is set so that sub
>> requests can mimmic the parent request’s reference count.
>>
>> Could you please run the reproducer again, unmount, then check the contents of
>> /proc/fs/nfsfs/servers?
>
> Sure. I just tried this and that file is empty after unmounting.

Sorry for the delay (again) - I just got back from a two week holiday.

This is good news! I think we can safely remove this WARN_ON_ONCE and call it a
day… or maybe calling it a month is more accurate ;)

-dros

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