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SubjectRe: [PATCH] documentation: explain memory barriers
On Wed, 08 Oct 2008 21:17:58 -0400 Chris Snook <csnook@redhat.com> wrote:

> Randy Dunlap wrote:
> > On Wed, 1 Oct 2008 22:54:04 -0700 Andrew Morton wrote:
> >
> >> This sequence is repeated three or four times and should be pulled out
> >> into a well-commented function. That comment should explain the logic
> >> behind the use of these barriers, please.
> >
> > and on 2008-OCT-08 Ben Hutchings wrote:
> >
> >> All memory barriers need a comment to explain why and what they're doing.

I approve this message.

> Seriously? When a barrier is used, it's generally self-evident what
> it's doing.

fs/buffer.c:sync_buffer(). Have fun.


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