nfsd: move <linux/nfsd/export.h> to fs/nfsd

There are no legitimate users outside of fs/nfsd, so move it there.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

3 files changed, 111 insertions, 2 deletions

diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index 7ec6b1074d8c..b6f3b84b6e99 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -14,7 +14,6 @@
 #include <linux/mutex.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/sunrpc/addr.h>
-#include <linux/nfsd/export.h>
 #include <linux/lockd/lockd.h>
 #include <linux/lockd/share.h>
 #include <linux/module.h>
diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h
new file mode 100644
index 000000000000..d7939a62a0ae
--- /dev/null
+++ b/fs/nfsd/export.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
+ */
+#ifndef NFSD_EXPORT_H
+#define NFSD_EXPORT_H
+
+#include <linux/sunrpc/cache.h>
+#include <uapi/linux/nfsd/export.h>
+
+struct knfsd_fh;
+struct svc_fh;
+struct svc_rqst;
+
+/*
+ * FS Locations
+ */
+
+#define MAX_FS_LOCATIONS        128
+
+struct nfsd4_fs_location {
+        char *hosts; /* colon separated list of hosts */
+        char *path;  /* slash separated list of path components */
+};
+
+struct nfsd4_fs_locations {
+        uint32_t locations_count;
+        struct nfsd4_fs_location *locations;
+/* If we're not actually serving this data ourselves (only providing a
+ * list of replicas that do serve it) then we set "migrated": */
+        int migrated;
+};
+
+/*
+ * We keep an array of pseudoflavors with the export, in order from most
+ * to least preferred.  For the foreseeable future, we don't expect more
+ * than the eight pseudoflavors null, unix, krb5, krb5i, krb5p, skpm3,
+ * spkm3i, and spkm3p (and using all 8 at once should be rare).
+ */
+#define MAX_SECINFO_LIST        8
+
+struct exp_flavor_info {
+        u32     pseudoflavor;
+        u32     flags;
+};
+
+struct svc_export {
+        struct cache_head       h;
+        struct auth_domain *    ex_client;
+        int                     ex_flags;
+        struct path             ex_path;
+        kuid_t                  ex_anon_uid;
+        kgid_t                  ex_anon_gid;
+        int                     ex_fsid;
+        unsigned char *         ex_uuid; /* 16 byte fsid */
+        struct nfsd4_fs_locations ex_fslocs;
+        int                     ex_nflavors;
+        struct exp_flavor_info  ex_flavors[MAX_SECINFO_LIST];
+        struct cache_detail     *cd;
+};
+
+/* an "export key" (expkey) maps a filehandlefragement to an
+ * svc_export for a given client.  There can be several per export,
+ * for the different fsid types.
+ */
+struct svc_expkey {
+        struct cache_head       h;
+
+        struct auth_domain *    ek_client;
+        int                     ek_fsidtype;
+        u32                     ek_fsid[6];
+
+        struct path             ek_path;
+};
+
+#define EX_ISSYNC(exp)          (!((exp)->ex_flags & NFSEXP_ASYNC))
+#define EX_NOHIDE(exp)          ((exp)->ex_flags & NFSEXP_NOHIDE)
+#define EX_WGATHER(exp)         ((exp)->ex_flags & NFSEXP_GATHERED_WRITES)
+
+int nfsexp_flags(struct svc_rqst *rqstp, struct svc_export *exp);
+__be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp);
+
+/*
+ * Function declarations
+ */
+int                     nfsd_export_init(struct net *);
+void                    nfsd_export_shutdown(struct net *);
+void                    nfsd_export_flush(struct net *);
+struct svc_export *     rqst_exp_get_by_name(struct svc_rqst *,
+                                             struct path *);
+struct svc_export *     rqst_exp_parent(struct svc_rqst *,
+                                        struct path *);
+struct svc_export *     rqst_find_fsidzero_export(struct svc_rqst *);
+int                     exp_rootfh(struct net *, struct auth_domain *,
+                                        char *path, struct knfsd_fh *, int maxsize);
+__be32                  exp_pseudoroot(struct svc_rqst *, struct svc_fh *);
+__be32                  nfserrno(int errno);
+
+static inline void exp_put(struct svc_export *exp)
+{
+        cache_put(&exp->h, exp->cd);
+}
+
+static inline void exp_get(struct svc_export *exp)
+{
+        cache_get(&exp->h);
+}
+struct svc_export * rqst_exp_find(struct svc_rqst *, int, u32 *);
+
+#endif /* NFSD_EXPORT_H */
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 7d5c310678d0..72004caad718 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -19,9 +19,10 @@
 #include <linux/sunrpc/msg_prot.h>
 
 #include <linux/nfsd/debug.h>
-#include <linux/nfsd/export.h>
 #include <linux/nfsd/stats.h>
 
+#include "export.h"
+
 /*
  * nfsd version
  */