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authorJeff Layton <jlayton@redhat.com>2016-09-15 20:40:49 +0200
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2016-09-19 19:11:13 +0200
commitca440c383a588091cae9fbce610b86a6e9d961ad (patch)
tree07fe5e65d81652746607babd8553e1316cd10a79 /net/hsr
parentxprtrdma: Eliminate rpcrdma_receive_worker() (diff)
downloadlinux-ca440c383a588091cae9fbce610b86a6e9d961ad.tar.xz
linux-ca440c383a588091cae9fbce610b86a6e9d961ad.zip
pnfs: add a new mechanism to select a layout driver according to an ordered list
Currently, the layout driver selection code always chooses the first one from the list. That's not really ideal however, as the server can send the list of layout types in any order that it likes. It's up to the client to select the best one for its needs. This patch adds an ordered list of preferred driver types and has the selection code sort the list of available layout drivers according to it. Any unrecognized layout type is sorted to the end of the list. For now, the order of preference is hardcoded, but it should be possible to make this configurable in the future. Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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