linux-kernel - Re: [patch] pipe: add support for shrinking and growing pipes

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Message-ID: <877hmt4u3v.fsf@devron.myhome.or.jp>
Date:	Mon, 24 May 2010 16:49:40 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	mtk.manpages@...il.com
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Miklos Szeredi <miklos@...redi.hu>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch] pipe: add support for shrinking and growing pipes

Michael Kerrisk <mtk.manpages@...glemail.com> writes:

> Actually, SO_*BUF is pretty weird. It returns double what was
> supplied. It's not simply a matter of rounding up: it always doubles
> what was supplied.

Yes. However, well, I'm feeling it also is implementation detail of "at
least". :)
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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