diff options
| author | Jeff Layton <jlayton@redhat.com> | 2016-09-15 14:40:49 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-09-19 13:11:13 -0400 |
| commit | ca440c383a588091cae9fbce610b86a6e9d961ad (patch) | |
| tree | 07fe5e65d81652746607babd8553e1316cd10a79 /fs/nfs/client.c | |
| parent | 496b77a5c5ce8cd36b5fb78b8811f015643a6541 (diff) | |
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>
Diffstat (limited to 'fs/nfs/client.c')
| -rw-r--r-- | fs/nfs/client.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 535c2563b701..51136b03788d 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -788,6 +788,7 @@ int nfs_probe_fsinfo(struct nfs_server *server, struct nfs_fh *mntfh, struct nfs } fsinfo.fattr = fattr; + fsinfo.nlayouttypes = 0; memset(fsinfo.layouttype, 0, sizeof(fsinfo.layouttype)); error = clp->rpc_ops->fsinfo(server, mntfh, &fsinfo); if (error < 0) |