From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Wed, 18 Jan 2012 03:57:37 +0000 (-0500)
Subject: SUNRPC: Fix potential races in xprt_lock_write_next()
X-Git-Tag: v3.4-rc1~123^2~177
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=961a828df64979d2a9faeeeee043391670a193b9;p=pandora-kernel.git

SUNRPC: Fix potential races in xprt_lock_write_next()

We have to ensure that the wake up from the waitqueue and the assignment
of xprt->snd_task are atomic. We can do this by assigning the snd_task
while under the waitqueue spinlock.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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