From: Jeff Layton <jlayton@primarydata.com>
Date: Wed, 30 Jul 2014 01:34:10 +0000 (-0400)
Subject: nfsd4: use cl_lock to synchronize all stateid idr calls
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~101^2~74
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4770d722014b99e5438c0d1dc44db31ac4547af1;p=pandora-kernel.git

nfsd4: use cl_lock to synchronize all stateid idr calls

Currently, this is serialized by the client_mutex, which is slated for
removal. Add finer-grained locking here. Also, do some cleanup around
find_stateid to prepare for taking references.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Benny Halevy <bhalevy@primarydata.com>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---

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