From 131955ff7c7e2f32ea152cdf8cba782fb836bbe8 Mon Sep 17 00:00:00 2001 From: Nikolaus Rath Date: Thu, 27 Oct 2016 13:51:59 -0700 Subject: Recommend when to use -o default_permissions automatically --- include/fuse_lowlevel.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/fuse_lowlevel.h') diff --git a/include/fuse_lowlevel.h b/include/fuse_lowlevel.h index f876975..503b682 100644 --- a/include/fuse_lowlevel.h +++ b/include/fuse_lowlevel.h @@ -154,6 +154,12 @@ struct fuse_forget_data { * after the call has returned, so if they are needed later, their * contents have to be copied. * + * In general, all methods are expected to perform any necessary + * permission checking. However, a filesystem may delegate this task + * to the kernel by passing the `default_permissions` mount option to + * `fuse_session_new()`. In this case, methods will only be called if + * the kernel's permission check has succeeded. + * * The filesystem sometimes needs to handle a return value of -ENOENT * from the reply function, which means, that the request was * interrupted, and the reply discarded. For example if -- cgit v1.2.3