[PATCH 04/13] NFS: Remake nfsroot_mount as a permanent part of NFS client

[Chuck Lever <chuck.lever@xxxxxxxxxx>]

In preparation for supporting NFSv2 and NFSv3 mount option handling in the
kernel NFS client, convert mount_clnt.c to be a permanent part of the NFS
client, instead of built only when CONFIG_ROOT_NFS is enabled.

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---

 fs/nfs/Makefile        |    4 ++--
 fs/nfs/mount_clnt.c    |   18 +++++++++++++-----
 fs/nfs/nfsroot.c       |    2 +-
 include/linux/nfs_fs.h |    4 +---
 4 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/fs/nfs/Makefile b/fs/nfs/Makefile
index f4580b4..b55cb23 100644
--- a/fs/nfs/Makefile
+++ b/fs/nfs/Makefile
@@ -6,8 +6,8 @@ obj-$(CONFIG_NFS_FS) += nfs.o
 
 nfs-y 			:= client.o dir.o file.o getroot.o inode.o super.o nfs2xdr.o \
 			   pagelist.o proc.o read.o symlink.o unlink.o \
-			   write.o namespace.o
-nfs-$(CONFIG_ROOT_NFS)	+= nfsroot.o mount_clnt.o      
+			   write.o namespace.o mount_clnt.o
+nfs-$(CONFIG_ROOT_NFS)	+= nfsroot.o
 nfs-$(CONFIG_NFS_V3)	+= nfs3proc.o nfs3xdr.o
 nfs-$(CONFIG_NFS_V3_ACL)	+= nfs3acl.o
 nfs-$(CONFIG_NFS_V4)	+= nfs4proc.o nfs4xdr.o nfs4state.o nfs4renewd.o \
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index ca5a266..82a8536 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -37,12 +37,20 @@ struct mnt_fhstatus {
 	struct nfs_fh *		fh;
 };
 
-/*
- * Obtain an NFS file handle for the given host and path
+/**
+ * nfs_mount - Obtain an NFS file handle for the given host and path
+ * @addr: pointer to server's address
+ * @path: pointer to string containing export path to mount
+ * @fh: pointer to location to place returned file handle
+ * @version: mount version to use for this request
+ * @protocol: transport protocol to use for thie request
+ *
+ * Uses default timeout parameters specified by underlying transport.
+ *
+ * XXX: Needs to support IPv6
  */
-int
-nfsroot_mount(struct sockaddr_in *addr, char *path, struct nfs_fh *fh,
-		int version, int protocol)
+int nfs_mount(struct sockaddr_in *addr, char *path, struct nfs_fh *fh,
+	      int version, int protocol)
 {
 	struct rpc_clnt		*mnt_clnt;
 	struct mnt_fhstatus	result = {
diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index f0db470..a52c891 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -496,7 +496,7 @@ static int __init root_nfs_get_handle(void)
 					NFS_MNT3_VERSION : NFS_MNT_VERSION;
 
 	set_sockaddr(&sin, servaddr, htons(mount_port));
-	status = nfsroot_mount(&sin, nfs_path, &fh, version, protocol);
+	status = nfs_mount(&sin, nfs_path, &fh, version, protocol);
 	if (status < 0)
 		printk(KERN_ERR "Root-NFS: Server returned error %d "
 				"while mounting %s\n", status, nfs_path);
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 0543439..58f5b77 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -496,10 +496,8 @@ static inline void nfs3_forget_cached_acls(struct inode *inode)
 
 /*
  * linux/fs/mount_clnt.c
- * (Used only by nfsroot module)
  */
-extern int  nfsroot_mount(struct sockaddr_in *, char *, struct nfs_fh *,
-		int, int);
+extern int  nfs_mount(struct sockaddr_in *, char *, struct nfs_fh *, int, int);
 
 /*
  * inline functions

-
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