From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 11 Oct 2012 16:26:04 +0000 (-0400)
Subject: NFSv4.1: Kill nfs4_ds_disconnect()
X-Git-Tag: v3.7-rc3~48^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8fcdc31b3d09bc348ff9bf752ae1291828756cfa;p=pandora-kernel.git

NFSv4.1: Kill nfs4_ds_disconnect()

There is nothing to prevent another thread from dereferencing ds->ds_clp
during or after the call to nfs4_ds_disconnect(), and Oopsing due to the
resulting NULL pointer.

Instead, we should just rely on filelayout_mark_devid_invalid() to keep
us out of trouble by avoiding that deviceid.

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