From 257208736acc694def83627fa0de2892490a5d42 Mon Sep 17 00:00:00 2001
From: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Date: Fri, 25 Feb 2011 10:48:55 -0600
Subject: cifs: cleanup: Rename and remove config flags

Remove config flag CIFS_EXPERIMENTAL.
Do export operations under new config flag CIFS_NFSD_EXPORT

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
index 2a492aa..7c584be 100644
--- a/fs/cifs/Kconfig
+++ b/fs/cifs/Kconfig
@@ -172,16 +172,8 @@ config CIFS_SMB2
 
 	  Unless you are a developer or tester, say N.
 
-config CIFS_EXPERIMENTAL
-	  bool "CIFS Experimental Features (EXPERIMENTAL)"
+config CIFS_NFSD_EXPORT
+	  bool "Allow nfsd to export CIFS file system (EXPERIMENTAL)"
 	  depends on CIFS && EXPERIMENTAL
 	  help
-	    Enables cifs features under testing. These features are
-	    experimental and currently include DFS support and directory
-	    change notification ie fcntl(F_DNOTIFY), as well as the upcall
-	    mechanism which will be used for Kerberos session negotiation
-	    and uid remapping.  Some of these features also may depend on
-	    setting a value of 1 to the pseudo-file /proc/fs/cifs/Experimental
-	    (which is disabled by default). See the file fs/cifs/README
-	    for more details.  If unsure, say N.
-
+	   Allows NFS server to export a CIFS mounted share (nfsd over cifs)
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index b45d38b..30fc505 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -184,12 +184,12 @@ cifs_read_super(struct super_block *sb, void *data,
 	else
 		sb->s_d_op = &cifs_dentry_ops;
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CIFS_NFSD_EXPORT
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
 		cFYI(1, "export ops supported");
 		sb->s_export_op = &cifs_export_ops;
 	}
-#endif /* EXPERIMENTAL */
+#endif /* CIFS_NFSD_EXPORT */
 
 	return 0;
 
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index f191244..371d021 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -123,9 +123,9 @@ extern ssize_t	cifs_getxattr(struct dentry *, const char *, void *, size_t);
 extern ssize_t	cifs_listxattr(struct dentry *, char *, size_t);
 extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CIFS_NFSD_EXPORT
 extern const struct export_operations cifs_export_ops;
-#endif /* EXPERIMENTAL */
+#endif /* CIFS_NFSD_EXPORT */
 
 #define CIFS_VERSION   "1.71"
 #endif				/* _CIFSFS_H */
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index ae5e451..e6374dd 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -541,10 +541,6 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
 		server->secType = RawNTLMSSP;
 	else if (secFlags & CIFSSEC_MAY_LANMAN)
 		server->secType = LANMAN;
-/* #ifdef CONFIG_CIFS_EXPERIMENTAL
-	else if (secFlags & CIFSSEC_MAY_PLNTXT)
-		server->secType = ??
-#endif */
 	else {
 		rc = -EOPNOTSUPP;
 		cERROR(1, "Invalid security type");
diff --git a/fs/cifs/export.c b/fs/cifs/export.c
index 993f820..55d87ac 100644
--- a/fs/cifs/export.c
+++ b/fs/cifs/export.c
@@ -45,7 +45,7 @@
 #include "cifs_debug.h"
 #include "cifsfs.h"
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CIFS_NFSD_EXPORT
 static struct dentry *cifs_get_parent(struct dentry *dentry)
 {
 	/* BB need to add code here eventually to enable export via NFSD */
@@ -63,5 +63,5 @@ const struct export_operations cifs_export_ops = {
 	.encode_fs =  */
 };
 
-#endif /* EXPERIMENTAL */
+#endif /* CIFS_NFSD_EXPORT */
 
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