9P2010.L handshake: Add VFS flags

Add 9P2000.u and 9P2010.L protocol flags to V9FS VFS

This patch adds 9P2000.u and 9P2010.L protocol flags into V9FS VFS side code
and removes the single flag used for 'extended'.

Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

1 files changed, 15 insertions, 8 deletions

diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 019f4ccb70c1..79000bf62491 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -23,7 +23,8 @@
 
 /**
  * enum p9_session_flags - option flags for each 9P session
- * @V9FS_EXTENDED: whether or not to use 9P2000.u extensions
+ * @V9FS_PROTO_2000U: whether or not to use 9P2000.u extensions
+ * @V9FS_PROTO_2010L: whether or not to use 9P2010.l extensions
  * @V9FS_ACCESS_SINGLE: only the mounting user can access the hierarchy
  * @V9FS_ACCESS_USER: a new attach will be issued for every user (default)
  * @V9FS_ACCESS_ANY: use a single attach for all users
@@ -32,11 +33,12 @@
  * Session flags reflect options selected by users at mount time
  */
 enum p9_session_flags {
-        V9FS_EXTENDED           = 0x01,
-        V9FS_ACCESS_SINGLE      = 0x02,
-        V9FS_ACCESS_USER        = 0x04,
-        V9FS_ACCESS_ANY         = 0x06,
-        V9FS_ACCESS_MASK        = 0x06,
+        V9FS_PROTO_2000U        = 0x01,
+        V9FS_PROTO_2010L        = 0x02,
+        V9FS_ACCESS_SINGLE      = 0x04,
+        V9FS_ACCESS_USER        = 0x08,
+        V9FS_ACCESS_ANY         = 0x0C,
+        V9FS_ACCESS_MASK        = 0x0C,
 };
 
 /* possible values of ->cache */
@@ -121,7 +123,12 @@ static inline struct v9fs_session_info *v9fs_inode2v9ses(struct inode *inode)
         return (inode->i_sb->s_fs_info);
 }
 
-static inline int v9fs_extended(struct v9fs_session_info *v9ses)
+static inline int v9fs_proto_dotu(struct v9fs_session_info *v9ses)
 {
-        return v9ses->flags & V9FS_EXTENDED;
+        return v9ses->flags & V9FS_PROTO_2000U;
+}
+
+static inline int v9fs_proto_dotl(struct v9fs_session_info *v9ses)
+{
+        return v9ses->flags & V9FS_PROTO_2010L;
 }