Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

[platform/kernel/linux-starfive.git] / Documentation / filesystems / porting.rst

diff --git a/Documentation/filesystems/porting.rst b/Documentation/filesystems/porting.rst
index 43b492d..bf19fd6 100644 (file)
--- a/Documentation/filesystems/porting.rst
+++ b/Documentation/filesystems/porting.rst
@@ -899,3 +899,12 @@ iov_iter_copy_from_user_atomic() is gone; use copy_page_from_iter_atomic().
 The difference is copy_page_from_iter_atomic() advances the iterator and
 you don't need iov_iter_advance() after it.  However, if you decide to use
 only a part of obtained data, you should do iov_iter_revert().
+
+---
+
+**mandatory**
+
+Calling conventions for file_open_root() changed; now it takes struct path *
+instead of passing mount and dentry separately.  For callers that used to
+pass <mnt, mnt->mnt_root> pair (i.e. the root of given mount), a new helper
+is provided - file_open_root_mnt().  In-tree users adjusted.