1 files changed, 8 insertions, 1 deletions

diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index c134d104cb28..820bf5ca35d8 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -47,7 +47,7 @@ struct v9fs_session_info {
         unsigned int afid;      /* authentication fid */
         unsigned int rfdno;     /* read file descriptor number */
         unsigned int wfdno;     /* write file descriptor number */
-
+        unsigned int cache;     /* cache mode */
 
         char *name;             /* user name to mount as */
         char *remotename;       /* name of remote hierarchy being mounted */
@@ -73,6 +73,13 @@ enum {
         PROTO_FD,
 };
 
+/* possible values of ->cache */
+/* eventually support loose, tight, time, session, default always none */
+enum {
+        CACHE_NONE,             /* default */
+        CACHE_LOOSE,            /* no consistency */
+};
+
 extern struct dentry *v9fs_debugfs_root;
 
 int v9fs_session_init(struct v9fs_session_info *, const char *, char *);