SuS v2 requires we report a read only fs too. For union-mounts this is a very
expensive check. So I'm lazy and just disable the check if we are on a lower
layer of an union.

Signed-off-by: Jan Blunck <[EMAIL PROTECTED]>
---
 fs/open.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/open.c
+++ b/fs/open.c
@@ -483,7 +483,7 @@ asmlinkage long sys_faccessat(int dfd, c
           special_file(nd.dentry->d_inode->i_mode))
                goto out_path_release;
 
-       if(IS_RDONLY(nd.dentry->d_inode))
+       if (!(nd.um_flags & LAST_LOWLEVEL) && IS_RDONLY(nd.dentry->d_inode))
                res = -EROFS;
 
 out_path_release:

-- 

-
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