tree 9824f378029107b3f7be58df63a8c17a08f9b84b
parent f742dc4a32587bff50b13dde9d8894b96851951a
author Peng Tao <bergwolf@gmail.com> 1345739273 +0800
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1349131115 -0700

pnfsblock: fix non-aligned DIO write

For DIO writes, if it is not blocksize aligned, we need to do
internal serialization. It may slow down writers anyway. So we
just bail them out and resend to MDS.

Cc: stable <stable@vger.kernel.org> [since v3.4]
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>