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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-03-09 15:23:35 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-03-27 12:32:24 -0400
commit84a80f62f71beac20a426709c04b49f2bd352291 (patch)
tree8a6da9805e36e26425a2e482e6233dabebca60ca /fs/nfs/pnfs.h
parent2854475f6c612d59901d51c358abd05643278b53 (diff)
downloadtalos-op-linux-84a80f62f71beac20a426709c04b49f2bd352291.tar.gz
talos-op-linux-84a80f62f71beac20a426709c04b49f2bd352291.zip
NFSv4.1: Convert pNFS deviceid to use kfree_rcu()
Use of synchronize_rcu() when unmounting and potentially freeing a lot of deviceids is problematic. There really is no reason why we can't just use kfree_rcu() here. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
-rw-r--r--fs/nfs/pnfs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 635f0865671c..a1fc16c971a7 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -302,6 +302,7 @@ struct nfs4_deviceid_node {
unsigned long flags;
unsigned long timestamp_unavailable;
struct nfs4_deviceid deviceid;
+ struct rcu_head rcu;
atomic_t ref;
};
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