From: Davide Libenzi <davidel@xmailserver.org>
Date: Thu, 13 Jan 2011 01:00:25 +0000 (-0800)
Subject: pipe: use event aware wakeups
X-Git-Tag: v2.6.38-rc1~324
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e462c448fdc89252d631b26ff0ed4f7ad6fe8ed2;p=pandora-kernel.git

pipe: use event aware wakeups

Send the events the wakeup refers to, so that epoll, and even the new poll
code in fs/select.c can avoid wakeups if the events do not match the
requested set.

Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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