X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;ds=sidebyside;f=Documentation%2Ffilesystems%2Fporting;h=bdd025ceb763b112a01ff18dc6d04d866e7240e7;hb=101105b1717f536ca741f940033996302d4ef191;hp=b1bd05ea66b2d42fae1fcc34d5ddb91ead15eed5;hpb=5fdf4939dc66307daf30a3d5355a2bfb9d207676;p=cascardo%2Flinux.git

diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index b1bd05ea66b2..bdd025ceb763 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -287,8 +287,8 @@ implementing on-disk size changes.  Start with a copy of the old inode_setattr
 and vmtruncate, and the reorder the vmtruncate + foofs_vmtruncate sequence to
 be in order of zeroing blocks using block_truncate_page or similar helpers,
 size update and on finally on-disk truncation which should not fail.
-inode_change_ok now includes the size checks for ATTR_SIZE and must be called
-in the beginning of ->setattr unconditionally.
+setattr_prepare (which used to be inode_change_ok) now includes the size checks
+for ATTR_SIZE and must be called in the beginning of ->setattr unconditionally.
 
 [mandatory]
 
@@ -592,3 +592,7 @@ in your dentry operations instead.
 	work just as well; if it's something more complicated, use dentry->d_parent.
 	Just be careful not to assume that fetching it more than once will yield
 	the same value - in RCU mode it could change under you.
+--
+[mandatory]
+	->rename() has an added flags argument.  Any flags not handled by the
+        filesystem should result in EINVAL being returned.