nfsd: eliminate "to_delegation" define

We now have cb_to_delegation and to_delegation, which do the same thing
and are defined separately in different .c files. Move the
cb_to_delegation definition into a header file and eliminate the
redundant to_delegation definition.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>

3 files changed, 4 insertions, 7 deletions

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 4fe4be1ee82e..ed2b1151b171 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -49,9 +49,6 @@ static void nfsd4_mark_cb_fault(struct nfs4_client *, int reason);
 
 /* Index of predefined Linux callback client operations */
 
-#define to_delegation(cb) \
-        container_of(cb, struct nfs4_delegation, dl_recall)
-
 struct nfs4_cb_compound_hdr {
         /* args */
         u32             ident;  /* minorversion 0 only */
@@ -491,7 +488,7 @@ static void nfs4_xdr_enc_cb_null(struct rpc_rqst *req, struct xdr_stream *xdr,
 static void nfs4_xdr_enc_cb_recall(struct rpc_rqst *req, struct xdr_stream *xdr,
                                    const struct nfsd4_callback *cb)
 {
-        const struct nfs4_delegation *dp = to_delegation(cb);
+        const struct nfs4_delegation *dp = cb_to_delegation(cb);
         struct nfs4_cb_compound_hdr hdr = {
                 .ident = cb->cb_clp->cl_cb_ident,
                 .minorversion = cb->cb_minorversion,
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 551f32d7f5c7..5c0cac173068 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3360,9 +3360,6 @@ nfs4_share_conflict(struct svc_fh *current_fh, unsigned int deny_type)
         return ret;
 }
 
-#define cb_to_delegation(cb) \
-        container_of(cb, struct nfs4_delegation, dl_recall)
-
 static void nfsd4_cb_recall_prepare(struct nfsd4_callback *cb)
 {
         struct nfs4_delegation *dp = cb_to_delegation(cb);
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index bf52dc7b15e7..0a47c6a6b301 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -132,6 +132,9 @@ struct nfs4_delegation {
         struct nfsd4_callback   dl_recall;
 };
 
+#define cb_to_delegation(cb) \
+        container_of(cb, struct nfs4_delegation, dl_recall)
+
 /* client delegation callback info */
 struct nfs4_cb_conn {
         /* SETCLIENTID info */