nfsd: Move private headers to source directory

Lots of include/linux/nfsd/* headers are only used by
nfsd module. Move them to the source directory

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 85 insertions, 0 deletions

diff --git a/fs/nfsd/cache.h b/fs/nfsd/cache.h
new file mode 100644
index 000000000000..a165425dea41
--- /dev/null
+++ b/fs/nfsd/cache.h
@@ -0,0 +1,85 @@
+/*
+ * include/linux/nfsd/cache.h
+ *
+ * Request reply cache. This was heavily inspired by the
+ * implementation in 4.3BSD/4.4BSD.
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef NFSCACHE_H
+#define NFSCACHE_H
+
+#include <linux/sunrpc/svc.h>
+
+/*
+ * Representation of a reply cache entry.
+ */
+struct svc_cacherep {
+        struct hlist_node       c_hash;
+        struct list_head        c_lru;
+
+        unsigned char           c_state,        /* unused, inprog, done */
+                                c_type,         /* status, buffer */
+                                c_secure : 1;   /* req came from port < 1024 */
+        struct sockaddr_in      c_addr;
+        __be32                  c_xid;
+        u32                     c_prot;
+        u32                     c_proc;
+        u32                     c_vers;
+        unsigned long           c_timestamp;
+        union {
+                struct kvec     u_vec;
+                __be32          u_status;
+        }                       c_u;
+};
+
+#define c_replvec               c_u.u_vec
+#define c_replstat              c_u.u_status
+
+/* cache entry states */
+enum {
+        RC_UNUSED,
+        RC_INPROG,
+        RC_DONE
+};
+
+/* return values */
+enum {
+        RC_DROPIT,
+        RC_REPLY,
+        RC_DOIT,
+        RC_INTR
+};
+
+/*
+ * Cache types.
+ * We may want to add more types one day, e.g. for diropres and
+ * attrstat replies. Using cache entries with fixed length instead
+ * of buffer pointers may be more efficient.
+ */
+enum {
+        RC_NOCACHE,
+        RC_REPLSTAT,
+        RC_REPLBUFF,
+};
+
+/*
+ * If requests are retransmitted within this interval, they're dropped.
+ */
+#define RC_DELAY                (HZ/5)
+
+int     nfsd_reply_cache_init(void);
+void    nfsd_reply_cache_shutdown(void);
+int     nfsd_cache_lookup(struct svc_rqst *, int);
+void    nfsd_cache_update(struct svc_rqst *, int, __be32 *);
+
+#ifdef CONFIG_NFSD_V4
+void    nfsd4_set_statp(struct svc_rqst *rqstp, __be32 *statp);
+#else  /* CONFIG_NFSD_V4 */
+static inline void nfsd4_set_statp(struct svc_rqst *rqstp, __be32 *statp)
+{
+}
+#endif /* CONFIG_NFSD_V4 */
+
+#endif /* NFSCACHE_H */