nfsd: introduce a generic nfsd4_cb
Add a helper to queue up a callback. CB_NULL has a bit of special casing
because it is special in the specification, but all other new callback
operations will be able to share code with this and a few more changes
to refactor the callback code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 57d2db6..5fb6ab1 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -517,6 +517,13 @@
#define RD_STATE 0x00000010
#define WR_STATE 0x00000020
+enum nfsd4_cb_op {
+ NFSPROC4_CLNT_CB_NULL = 0,
+ NFSPROC4_CLNT_CB_RECALL,
+ NFSPROC4_CLNT_CB_SEQUENCE,
+};
+
+
struct nfsd4_compound_state;
struct nfsd_net;
@@ -536,7 +543,8 @@
extern void nfsd4_probe_callback(struct nfs4_client *clp);
extern void nfsd4_probe_callback_sync(struct nfs4_client *clp);
extern void nfsd4_change_callback(struct nfs4_client *clp, struct nfs4_cb_conn *);
-extern void nfsd4_cb_recall(struct nfs4_delegation *dp);
+extern void nfsd4_cb(struct nfsd4_callback *cb, struct nfs4_client *clp,
+ enum nfsd4_cb_op op);
extern int nfsd4_create_callback_queue(void);
extern void nfsd4_destroy_callback_queue(void);
extern void nfsd4_shutdown_callback(struct nfs4_client *);