Wrapfs: update ->permission prototye and code for new iperm flag

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>

diff --git a/fs/wrapfs/inode.c b/fs/wrapfs/inode.c
index bd5d5ab57b18cf2afd393dd2b6a3fb8945b69073..438a5c542102c14d35261553b1c9ebf18f96c52d 100644 (file)
--- a/fs/wrapfs/inode.c
+++ b/fs/wrapfs/inode.c
@@ -404,11 +404,14 @@ static void wrapfs_put_link(struct dentry *dentry, struct nameidata *nd,
                kfree(buf);
 }
 
-static int wrapfs_permission(struct inode *inode, int mask)
+static int wrapfs_permission(struct inode *inode, int mask, unsigned int flags)
 {
        struct inode *lower_inode;
        int err;
 
+       if (flags & IPERM_FLAG_RCU)
+               return -ECHILD;
+
        lower_inode = wrapfs_lower_inode(inode);
        err = inode_permission(lower_inode, mask);
        return err;