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Date:   Fri, 11 Jan 2019 08:36:55 +0100 (CET)
From:   Jiri Kosina <jikos@kernel.org>
To:     Dave Chinner <david@fromorbit.com>
cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        Matthew Wilcox <willy@infradead.org>,
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Subject: Re: [PATCH] mm/mincore: allow for making sys_mincore() privileged
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On Thu, 10 Jan 2019, Dave Chinner wrote:

> Sounds nice from a theoretical POV, but reality has taught us very 
> different lessons.
> 
> FWIW, a quick check of XFS's history so you understand how long this 
> behaviour has been around. It was introduced in the linux port in 2001 
> as direct IO support was being added:
> 
> commit e837eac23662afae603aaaef7c94bc839c1b8f67
> Author: Steve Lord <lord@sgi.com>
> Date:   Mon Mar 5 16:47:52 2001 +0000
> 
>     Add bounds checking for direct I/O, do the cache invalidation for
>     data coherency on direct I/O.

Out of curiosity, which repository is this from please? Even google 
doesn't seem to know about this SHA.

Thanks,

-- 
Jiri Kosina
SUSE Labs