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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-04-30 12:43:42 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-05-03 12:18:47 -0400
commitc5a2a15f8146fdfe45078df7873a6dc1006b3869 (patch)
tree6bced48c0d503130b010f20e7b043faafc383759 /fs/nfs/delegation.c
parent721ccfb79b6f74f4052de70236d24047e73682d4 (diff)
NFSv4.x: Fix handling of partially delegated locks
If a NFS client receives a delegation for a file after it has taken a lock on that file, we can currently end up in a situation where we mistakenly skip unlocking that file. The following patch swaps an erroneous check in nfs4_proc_unlck for whether or not the file has a delegation to one which checks whether or not we hold a lock stateid for that file. Reported-by: Chuck Lever <Chuck.Lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@vger.kernel.org [>=3.7] Tested-by: Chuck Lever <Chuck.Lever@oracle.com>
Diffstat (limited to 'fs/nfs/delegation.c')
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