Merge branch 'for-4.2' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "A relatively quiet cycle, with a mix of cleanup and smaller bugfixes"

* 'for-4.2' of git://linux-nfs.org/~bfields/linux: (24 commits)
  sunrpc: use sg_init_one() in krb5_rc4_setup_enc/seq_key()
  nfsd: wrap too long lines in nfsd4_encode_read
  nfsd: fput rd_file from XDR encode context
  nfsd: take struct file setup fully into nfs4_preprocess_stateid_op
  nfsd: refactor nfs4_preprocess_stateid_op
  nfsd: clean up raparams handling
  nfsd: use swap() in sort_pacl_range()
  rpcrdma: Merge svcrdma and xprtrdma modules into one
  svcrdma: Add a separate "max data segs macro for svcrdma
  svcrdma: Replace GFP_KERNEL in a loop with GFP_NOFAIL
  svcrdma: Keep rpcrdma_msg fields in network byte-order
  svcrdma: Fix byte-swapping in svc_rdma_sendto.c
  nfsd: Update callback sequnce id only CB_SEQUENCE success
  nfsd: Reset cb_status in nfsd4_cb_prepare() at retrying
  svcrdma: Remove svc_rdma_xdr_decode_deferred_req()
  SUNRPC: Move EXPORT_SYMBOL for svc_process
  uapi/nfs: Add NFSv4.1 ACL definitions
  nfsd: Remove dead declarations
  nfsd: work around a gcc-5.1 warning
  nfsd: Checking for acl support does not require fetching any acls
  ...

2 files changed, 15 insertions, 3 deletions

diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index df8edf8ec914..cb94ee4181d4 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -172,6 +172,13 @@ struct svcxprt_rdma {
 #define RDMAXPRT_SQ_PENDING	2
 #define RDMAXPRT_CONN_PENDING	3
 
+#define RPCRDMA_MAX_SVC_SEGS	(64)	/* server max scatter/gather */
+#if RPCSVC_MAXPAYLOAD < (RPCRDMA_MAX_SVC_SEGS << PAGE_SHIFT)
+#define RPCRDMA_MAXPAYLOAD	RPCSVC_MAXPAYLOAD
+#else
+#define RPCRDMA_MAXPAYLOAD	(RPCRDMA_MAX_SVC_SEGS << PAGE_SHIFT)
+#endif
+
 #define RPCRDMA_LISTEN_BACKLOG  10
 /* The default ORD value is based on two outstanding full-size writes with a
  * page size of 4k, or 32k * 2 ops / 4k = 16 outstanding RDMA_READ.  */
@@ -182,10 +189,9 @@ struct svcxprt_rdma {
 
 /* svc_rdma_marshal.c */
 extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg **, struct svc_rqst *);
-extern int svc_rdma_xdr_decode_deferred_req(struct svc_rqst *);
 extern int svc_rdma_xdr_encode_error(struct svcxprt_rdma *,
 				     struct rpcrdma_msg *,
-				     enum rpcrdma_errcode, u32 *);
+				     enum rpcrdma_errcode, __be32 *);
 extern void svc_rdma_xdr_encode_write_list(struct rpcrdma_msg *, int);
 extern void svc_rdma_xdr_encode_reply_array(struct rpcrdma_write_array *, int);
 extern void svc_rdma_xdr_encode_array_chunk(struct rpcrdma_write_array *, int,
@@ -212,7 +218,6 @@ extern int svc_rdma_sendto(struct svc_rqst *);
 extern int svc_rdma_send(struct svcxprt_rdma *, struct ib_send_wr *);
 extern void svc_rdma_send_error(struct svcxprt_rdma *, struct rpcrdma_msg *,
 				enum rpcrdma_errcode);
-struct page *svc_rdma_get_page(void);
 extern int svc_rdma_post_recv(struct svcxprt_rdma *);
 extern int svc_rdma_create_listen(struct svc_serv *, int, struct sockaddr *);
 extern struct svc_rdma_op_ctxt *svc_rdma_get_context(struct svcxprt_rdma *);
diff --git a/include/uapi/linux/nfs4.h b/include/uapi/linux/nfs4.h
index adc0aff83fbb..2119c7c274d7 100644
--- a/include/uapi/linux/nfs4.h
+++ b/include/uapi/linux/nfs4.h
@@ -86,6 +86,10 @@
 #define ACL4_SUPPORT_AUDIT_ACL 0x04
 #define ACL4_SUPPORT_ALARM_ACL 0x08
 
+#define NFS4_ACL_AUTO_INHERIT 0x00000001
+#define NFS4_ACL_PROTECTED    0x00000002
+#define NFS4_ACL_DEFAULTED    0x00000004
+
 #define NFS4_ACE_FILE_INHERIT_ACE             0x00000001
 #define NFS4_ACE_DIRECTORY_INHERIT_ACE        0x00000002
 #define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE     0x00000004
@@ -93,6 +97,7 @@
 #define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG   0x00000010
 #define NFS4_ACE_FAILED_ACCESS_ACE_FLAG       0x00000020
 #define NFS4_ACE_IDENTIFIER_GROUP             0x00000040
+#define NFS4_ACE_INHERITED_ACE                0x00000080
 
 #define NFS4_ACE_READ_DATA                    0x00000001
 #define NFS4_ACE_LIST_DIRECTORY               0x00000001
@@ -106,6 +111,8 @@
 #define NFS4_ACE_DELETE_CHILD                 0x00000040
 #define NFS4_ACE_READ_ATTRIBUTES              0x00000080
 #define NFS4_ACE_WRITE_ATTRIBUTES             0x00000100
+#define NFS4_ACE_WRITE_RETENTION              0x00000200
+#define NFS4_ACE_WRITE_RETENTION_HOLD         0x00000400
 #define NFS4_ACE_DELETE                       0x00010000
 #define NFS4_ACE_READ_ACL                     0x00020000
 #define NFS4_ACE_WRITE_ACL                    0x00040000