9p: define session flags

Create more general flags field in the v9fs_session_info struct and move the
'extended' flag as a bit in the flags.

Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 7eb135cf60ca..804b3ef8feab 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -29,7 +29,7 @@
 struct v9fs_session_info {
         /* options */
         unsigned int maxdata;
-        unsigned char extended; /* set to 1 if we are using UNIX extensions */
+        unsigned char flags;    /* session flags */
         unsigned char nodev;    /* set to 1 if no disable device mapping */
         unsigned short debug;   /* debug level */
         unsigned int afid;      /* authentication fid */
@@ -45,6 +45,11 @@ struct v9fs_session_info {
         struct dentry *debugfs_dir;
 };
 
+/* session flags */
+enum {
+        V9FS_EXTENDED,
+};
+
 /* possible values of ->cache */
 /* eventually support loose, tight, time, session, default always none */
 enum {
@@ -70,3 +75,8 @@ 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)
+{
+        return v9ses->flags & V9FS_EXTENDED;
+}