Добавлен патч для overlayfs

https://bugzilla.kernel.org/show_bug.cgi?id=109611

profiles/templates/3.3/6_ac_install_patch/sys-kernel/calculate-sources/4.4/4300-overlayfs_whiteout.patch

@@ -0,0 +1,32 @@
+# Calculate format=diff
+diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
+index 692ceda..a2fd06b 100644
+--- a/fs/overlayfs/dir.c
++++ b/fs/overlayfs/dir.c
+@@ -637,7 +637,7 @@ static inline int ovl_check_sticky(struct dentry *dentry)
+ 
+ static int ovl_do_remove(struct dentry *dentry, bool is_dir)
+ {
+-	enum ovl_path_type type;
++	enum ovl_path_type type, parent_type;
+ 	int err;
+ 
+ 	err = ovl_check_sticky(dentry);
+@@ -653,7 +653,16 @@ static int ovl_do_remove(struct dentry *dentry, bool is_dir)
+ 		goto out_drop_write;
+ 
+ 	type = ovl_path_type(dentry);
+-	if (OVL_TYPE_PURE_UPPER(type)) {
++	parent_type = ovl_path_type(dentry->d_parent);
++
++	/*
++	 * After rename if a file is removed, it could have out of sync
++	 * numlower and forced "opaque" set which means file will not be
++	 * categorized as pure upper. So if parent is not type merge, then
++	 * it is not present in any of the lower so there should not be
++	 * any need to leave whiteout.
++	 */
++	if (OVL_TYPE_PURE_UPPER(type) || !OVL_TYPE_MERGE(parent_type)) {
+ 		err = ovl_remove_upper(dentry, is_dir);
+ 	} else {
+ 		const struct cred *old_cred;