Merge tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "A slow cycle for nfsd: mainly cleanup, including Neil's patch dropping
  support for a filehandle format deprecated 20 years ago, and further
  xdr-related cleanup from Chuck"

* tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux: (26 commits)
  nfsd4: remove obselete comment
  nfsd: document server-to-server-copy parameters
  NFSD:fix boolreturn.cocci warning
  nfsd: update create verifier comment
  SUNRPC: Change return value type of .pc_encode
  SUNRPC: Replace the "__be32 *p" parameter to .pc_encode
  NFSD: Save location of NFSv4 COMPOUND status
  SUNRPC: Change return value type of .pc_decode
  SUNRPC: Replace the "__be32 *p" parameter to .pc_decode
  SUNRPC: De-duplicate .pc_release() call sites
  SUNRPC: Simplify the SVC dispatch code path
  SUNRPC: Capture value of xdr_buf::page_base
  SUNRPC: Add trace event when alloc_pages_bulk() makes no progress
  svcrdma: Split svcrmda_wc_{read,write} tracepoints
  svcrdma: Split the svcrdma_wc_send() tracepoint
  svcrdma: Split the svcrdma_wc_receive() tracepoint
  NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment()
  SUNRPC: xdr_stream_subsegment() must handle non-zero page_bases
  NFSD: Initialize pointer ni with NULL and not plain integer 0
  NFSD: simplify struct nfsfh
  ...

1 files changed, 6 insertions, 8 deletions

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 064c96157d1f..0ae28ae6caf2 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -443,10 +443,7 @@ struct svc_version {
 	/* Need xprt with congestion control */
 	bool			vs_need_cong_ctrl;
 
-	/* Override dispatch function (e.g. when caching replies).
-	 * A return value of 0 means drop the request. 
-	 * vs_dispatch == NULL means use default dispatcher.
-	 */
+	/* Dispatch function */
 	int			(*vs_dispatch)(struct svc_rqst *, __be32 *);
 };
 
@@ -457,9 +454,11 @@ struct svc_procedure {
 	/* process the request: */
 	__be32			(*pc_func)(struct svc_rqst *);
 	/* XDR decode args: */
-	int			(*pc_decode)(struct svc_rqst *, __be32 *data);
+	bool			(*pc_decode)(struct svc_rqst *rqstp,
+					     struct xdr_stream *xdr);
 	/* XDR encode result: */
-	int			(*pc_encode)(struct svc_rqst *, __be32 *data);
+	bool			(*pc_encode)(struct svc_rqst *rqstp,
+					     struct xdr_stream *xdr);
 	/* XDR free result: */
 	void			(*pc_release)(struct svc_rqst *);
 	unsigned int		pc_argsize;	/* argument struct size */
@@ -532,8 +531,7 @@ int		   svc_encode_result_payload(struct svc_rqst *rqstp,
 					     unsigned int offset,
 					     unsigned int length);
 unsigned int	   svc_fill_write_vector(struct svc_rqst *rqstp,
-					 struct page **pages,
-					 struct kvec *first, size_t total);
+					 struct xdr_buf *payload);
 char		  *svc_fill_symlink_pathname(struct svc_rqst *rqstp,
 					     struct kvec *first, void *p,
 					     size_t total);