summaryrefslogtreecommitdiffstats
path: root/include/linux/nfsd/cache.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/nfsd/cache.h')
-rw-r--r--include/linux/nfsd/cache.h85
1 files changed, 0 insertions, 85 deletions
diff --git a/include/linux/nfsd/cache.h b/include/linux/nfsd/cache.h
deleted file mode 100644
index a165425dea4..00000000000
--- a/include/linux/nfsd/cache.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * 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 */