Anna Schumaker f830f7ddd9 NFS: Reduce time spent holding the i_mutex during fallocate() ...

At the very least, we should not be taking the i_mutex until after
checking if the server even supports ALLOCATE or DEALLOCATE, allowing
v4.0 or v4.1 to exit without potentially waiting on a lock.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

2015-04-23 14:36:28 -04:00

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