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authorAndy Adamson <andros@netapp.com>2016-09-09 09:22:29 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2016-09-19 13:08:37 -0400
commit04fa2c6bb51b1bf34a49007e0cd824bde39eeac0 (patch)
tree09bcb6b824162756b0c35945833343a36df93618 /fs/nfs/nfs4_fs.h
parentad0849a7efc3bebbb5b9385225085abdae3911b0 (diff)
downloadlinux-04fa2c6bb51b1bf34a49007e0cd824bde39eeac0.tar.bz2
NFS pnfs data server multipath session trunking
Try all multipath addresses for a data server. The first address that successfully connects and creates a session is the DS mount address. All subsequent addresses are tested for session trunking and added as aliases. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
-rw-r--r--fs/nfs/nfs4_fs.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index cf744aa0fa74..804113421337 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -59,6 +59,7 @@ struct nfs4_minor_version_ops {
struct nfs4_lock_state *);
struct nfs_seqid *
(*alloc_seqid)(struct nfs_seqid_counter *, gfp_t);
+ int (*session_trunk)(struct rpc_clnt *, struct rpc_xprt *, void *);
const struct rpc_call_ops *call_sync_ops;
const struct nfs4_state_recovery_ops *reboot_recovery_ops;
const struct nfs4_state_recovery_ops *nograce_recovery_ops;
@@ -203,6 +204,11 @@ struct nfs4_state_recovery_ops {
struct rpc_cred *);
};
+struct nfs4_add_xprt_data {
+ struct nfs_client *clp;
+ struct rpc_cred *cred;
+};
+
struct nfs4_state_maintenance_ops {
int (*sched_state_renewal)(struct nfs_client *, struct rpc_cred *, unsigned);
struct rpc_cred * (*get_state_renewal_cred_locked)(struct nfs_client *);