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NFSv4: Fix up another delegation related race
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 23 Dec 2008 20:21:38 +0000 (15:21 -0500)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 23 Dec 2008 20:21:38 +0000 (15:21 -0500)
commit343104308a33c4f1e23c8e841ede95e97b870842
treee7772538627a0a2176bd23cd3b2f1acbacd24592tree | snapshot
parent0cb2659b818eca99235e17c04291cfa9985c14f7commit | diff
NFSv4: Fix up another delegation related race

When we can update_open_stateid(), we need to be certain that we don't
race with a delegation return. While we could do this by grabbing the
nfs_client->cl_lock, a dedicated spin lock in the delegation structure
will scale better.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
fs/nfs/delegation.c diff | blob | history
fs/nfs/delegation.h diff | blob | history
fs/nfs/nfs4proc.c diff | blob | history
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