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Commit 49be4fb9 authored by Al Viro's avatar Al Viro
Browse files

overlayfs: embed root into overlay_readdir_data 



no sense having it a pointer - all instances have it pointing to
local variable in the same stack frame

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 68bf8611

fs/overlayfs/readdir.c

+5 −6
Original line number Diff line number Diff line
@@ -36,7 +36,7 @@ struct ovl_dir_cache { 
struct ovl_readdir_data {

	struct dir_context ctx;

	bool is_merge;

	struct rb_root *root;

	struct rb_root root;

	struct list_head *list;

	struct list_head *middle;

	int count;
@@ -101,7 +101,7 @@ static int ovl_cache_entry_add_rb(struct ovl_readdir_data *rdd, 
				  const char *name, int len, u64 ino,

				  unsigned int d_type)

{

	struct rb_node **newp = &rdd->root->rb_node;

	struct rb_node **newp = &rdd->root.rb_node;

	struct rb_node *parent = NULL;

	struct ovl_cache_entry *p;
@@ -126,7 +126,7 @@ static int ovl_cache_entry_add_rb(struct ovl_readdir_data *rdd, 


	list_add_tail(&p->l_node, rdd->list);

	rb_link_node(&p->node, parent, newp);

	rb_insert_color(&p->node, rdd->root);

	rb_insert_color(&p->node, &rdd->root);



	return 0;

}
@@ -137,7 +137,7 @@ static int ovl_fill_lower(struct ovl_readdir_data *rdd, 
{

	struct ovl_cache_entry *p;



	p = ovl_cache_entry_find(rdd->root, name, namelen);

	p = ovl_cache_entry_find(&rdd->root, name, namelen);

	if (p) {

		list_move_tail(&p->l_node, rdd->middle);

	} else {
@@ -277,12 +277,11 @@ static inline int ovl_dir_read_merged(struct path *upperpath, 
				      struct list_head *list)

{

	int err;

	struct rb_root root = RB_ROOT;

	struct list_head middle;

	struct ovl_readdir_data rdd = {

		.ctx.actor = ovl_fill_merge,

		.list = list,

		.root = &root,

		.root = RB_ROOT,

		.is_merge = false,

	};