mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-04 02:34:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

btrfs: update __btrfs_add_delayed_item() to use rb helper

Browse Source 
Update __btrfs_add_delayed_item() to use rb_find_add_cached().

Signed-off-by: Roger L. Beckermeyer III <beckerlee3@gmail.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Roger L. Beckermeyer III
2024-12-18 08:28:53 +10:30
committed by David Sterba
parent 14ae60c712
commit 0877597dc3
1 changed files with 19 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
fs/btrfs/delayed-inode.c
View File

@@ -366,40 +366,35 @@ static struct btrfs_delayed_item *__btrfs_lookup_delayed_item(
return NULL;
}
static int btrfs_delayed_item_cmp(const struct rb_node *new,
const struct rb_node *exist)
{
const struct btrfs_delayed_item *new_item =
rb_entry(new, struct btrfs_delayed_item, rb_node);
const struct btrfs_delayed_item *exist_item =
rb_entry(exist, struct btrfs_delayed_item, rb_node);
if (new_item->index < exist_item->index)
return -1;
if (new_item->index > exist_item->index)
return 1;
return 0;
}
static int __btrfs_add_delayed_item(struct btrfs_delayed_node *delayed_node,
struct btrfs_delayed_item *ins)
{
struct rb_node **p, *node;
struct rb_node *parent_node = NULL;
struct rb_root_cached *root;
struct btrfs_delayed_item *item;
bool leftmost = true;
struct rb_node *exist;
if (ins->type == BTRFS_DELAYED_INSERTION_ITEM)
root = &delayed_node->ins_root;
else
root = &delayed_node->del_root;
p = &root->rb_root.rb_node;
node = &ins->rb_node;
while (*p) {
parent_node = *p;
item = rb_entry(parent_node, struct btrfs_delayed_item,
rb_node);
if (item->index < ins->index) {
p = &(*p)->rb_right;
leftmost = false;
} else if (item->index > ins->index) {
p = &(*p)->rb_left;
} else {
return -EEXIST;
}
}
rb_link_node(node, parent_node, p);
rb_insert_color_cached(node, root, leftmost);
exist = rb_find_add_cached(&ins->rb_node, root, btrfs_delayed_item_cmp);
if (exist)
return -EEXIST;
if (ins->type == BTRFS_DELAYED_INSERTION_ITEM &&
ins->index >= delayed_node->index_cnt)