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H A Ddirect.cdiff 47989d7454398827500d0e73766270986a3b488f Mon Mar 20 12:44:32 CST 2006 Chuck Lever <cel@netapp.com> NFS: remove support for multi-segment iovs in the direct write path

Eliminate the persistent use of automatic storage in all parts of the
NFS client's direct write path to pave the way for introducing support
for aio against files opened with the O_DIRECT flag.

Test plan:
Compile the kernel with CONFIG_NFS and CONFIG_NFS_DIRECTIO enabled.
Millions of fsx-odirect ops. OraSim.

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