Trond Myklebust 65b62a29f7 NFSv4: Ensure delegation recall and byte range lock removal don't conflict ...

Add a mutex to the struct nfs4_state_owner to ensure that delegation
recall doesn't conflict with byte range lock removal.

Note that we nest the new mutex _outside_ the state manager reclaim
protection (nfsi->rwsem) in order to avoid deadlocks.

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

2013-02-11 15:33:13 -05:00

58 KiB

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