From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Fri, 20 Jan 2012 23:47:05 +0000 (-0500)
Subject: NFSv4: Avoid thundering herd issues with nfs_release_seqid
X-Git-Tag: v3.4-rc1~123^2~146
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4601df20fb3bf2b87e248abc622b8a7e4c3059fb;p=pandora-kernel.git

NFSv4: Avoid thundering herd issues with nfs_release_seqid

Store a pointer to the rpc_task in struct nfs_seqid so that we can wake up
only that request that is able to grab the lock after we've released it.

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