VFS: Make link_path_walk set LOOKUP_CONTINUE before calling permission().

 This will allow nfs_permission() to perform additional optimizations when
 walking the path, by folding the ACCESS(MAY_EXEC) call on the directory
 into the lookup revalidation.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/namei.c b/fs/namei.c
index 0d1dff7d3d95..aaaa81036234 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -763,6 +763,7 @@ static fastcall int __link_path_walk(const char * name, struct nameidata *nd)
                 struct qstr this;
                 unsigned int c;
 
+                nd->flags |= LOOKUP_CONTINUE;
                 err = exec_permission_lite(inode, nd);
                 if (err == -EAGAIN) { 
                         err = permission(inode, MAY_EXEC, nd);
@@ -815,7 +816,6 @@ static fastcall int __link_path_walk(const char * name, struct nameidata *nd)
                         if (err < 0)
                                 break;
                 }
-                nd->flags |= LOOKUP_CONTINUE;
                 /* This does the actual lookups.. */
                 err = do_lookup(nd, &this, &next);
                 if (err)