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authorAl Viro <viro@zeniv.linux.org.uk>2014-10-23 23:00:53 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-10-24 20:25:23 -0400
commit49be4fb9cc3431fc4ebc71c764db848483b2a16c (patch)
tree9bc695c26f96df3b19372fffaf01fe9011af50ac /fs/overlayfs/readdir.c
parent68bf8611076a8e4bee8bc8d03ff28bd1e9a9c631 (diff)
downloadblackbird-obmc-linux-49be4fb9cc3431fc4ebc71c764db848483b2a16c.tar.gz
blackbird-obmc-linux-49be4fb9cc3431fc4ebc71c764db848483b2a16c.zip
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: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/overlayfs/readdir.c')
-rw-r--r--fs/overlayfs/readdir.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index 9c9872be2c72..a9ee2c1176fe 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -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,
};
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