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 <jblunck@xxxxxxx> --- 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: -- - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
