NFS: use in-kernel mount argument structure for nfsv[23] mounts

[linux-2.6-omap-h63xx.git] / fs / nfs / internal.h

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index a28f6ce2e131e4df24e40223ebdc36d7d986da6f..d28e54e4dee4eb8d1346a3aa4d18069983fec2f7 100644 (file)
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -5,7 +5,6 @@
 #include <linux/mount.h>
 
 struct nfs_string;
-struct nfs_mount_data;
 struct nfs4_mount_data;
 
 /* Maximum number of readahead requests
@@ -27,13 +26,47 @@ struct nfs_clone_mount {
        rpc_authflavor_t authflavor;
 };
 
+/*
+ * In-kernel mount arguments
+ */
+struct nfs_parsed_mount_data {
+       int                     flags;
+       int                     rsize, wsize;
+       int                     timeo, retrans;
+       int                     acregmin, acregmax,
+                               acdirmin, acdirmax;
+       int                     namlen;
+       unsigned int            bsize;
+       unsigned int            auth_flavor_len;
+       rpc_authflavor_t        auth_flavors[1];
+       char                    *client_address;
+
+       struct {
+               struct sockaddr_in      address;
+               char                    *hostname;
+               unsigned int            program;
+               unsigned int            version;
+               unsigned short          port;
+               int                     protocol;
+       } mount_server;
+
+       struct {
+               struct sockaddr_in      address;
+               char                    *hostname;
+               char                    *export_path;
+               unsigned int            program;
+               int                     protocol;
+       } nfs_server;
+};
+
 /* client.c */
 extern struct rpc_program nfs_program;
 
 extern void nfs_put_client(struct nfs_client *);
 extern struct nfs_client *nfs_find_client(const struct sockaddr_in *, int);
-extern struct nfs_server *nfs_create_server(const struct nfs_mount_data *,
-                                           struct nfs_fh *);
+extern struct nfs_server *nfs_create_server(
+                                       const struct nfs_parsed_mount_data *,
+                                       struct nfs_fh *);
 extern struct nfs_server *nfs4_create_server(const struct nfs4_mount_data *,
                                             const char *,
                                             const struct sockaddr_in *,
@@ -107,10 +140,6 @@ extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus);
 /* nfs4proc.c */
 #ifdef CONFIG_NFS_V4
 extern struct rpc_procinfo nfs4_procedures[];
-
-extern int nfs4_proc_fs_locations(struct inode *dir, struct dentry *dentry,
-                                 struct nfs4_fs_locations *fs_locations,
-                                 struct page *page);
 #endif
 
 /* dir.c */
@@ -187,9 +216,9 @@ unsigned long nfs_block_bits(unsigned long bsize, unsigned char *nrbitsp)
 /*
  * Calculate the number of 512byte blocks used.
  */
-static inline unsigned long nfs_calc_block_size(u64 tsize)
+static inline blkcnt_t nfs_calc_block_size(u64 tsize)
 {
-       loff_t used = (tsize + 511) >> 9;
+       blkcnt_t used = (tsize + 511) >> 9;
        return (used > ULONG_MAX) ? ULONG_MAX : used;
 }
 
@@ -235,3 +264,15 @@ unsigned int nfs_page_length(struct page *page)
        }
        return 0;
 }
+
+/*
+ * Determine the number of pages in an array of length 'len' and
+ * with a base offset of 'base'
+ */
+static inline
+unsigned int nfs_page_array_len(unsigned int base, size_t len)
+{
+       return ((unsigned long)len + (unsigned long)base +
+               PAGE_SIZE - 1) >> PAGE_SHIFT;
+}
+