Trond Myklebust 8535b2be51 NFSv4: Don't use GFP_KERNEL allocations in state recovery ...

We do not want to have the state recovery thread kick off and wait for a
memory reclaim, since that may deadlock when the writebacks end up
waiting for the state recovery thread to complete.

The safe thing is therefore to use GFP_NOFS in all open, close,
delegation return, lock, etc. operations that may be called by the
state recovery thread.

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

2010-05-14 15:09:33 -04:00

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