On Sun, 2012-05-27 at 22:30 -0400, tao.peng@xxxxxxx wrote:
> I'm afraid there is. There is no way to pass struct blk_plug around pg_init/pg_doio, unless we put it in struct nfs_pageio_descriptor, which I think is more intrusive and less efficient as it is only useful for block layout driver in DIO case.
Then add a 'void *pg_layout_private' field to nfs_pageio_descriptor and
allocate the struct blk_plug dynamically.
--
Trond Myklebust
Linux NFS client maintainer
NetApp
Trond.Myklebust@xxxxxxxxxx
www.netapp.com
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