Clean all dirty pages (dirtied by mmap'ed writes) in nfs_close(). This closes a major hole in close-to-open consistency support. Added a new sysctl so that this can be disabled for single NFS client applications with very large amounts of mmap'ed IO (for performance).
Clean all dirty pages (dirtied by mmap'ed writes) in nfs_close().
This closes a major hole in close-to-open consistency support.
Added a new sysctl so that this can be disabled for single NFS
client applications with very large amounts of mmap'ed IO (for
performance).

Submitted by:	Mohan Srinivasan mohans at yahoo-inc dot com
Reviewed by:	rwatson

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