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btrfs: use rb_find_add() in insert_ref_entry()

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Use the rb-tree helper so we don't open code the search and insert
code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Yangtao Li
2025-07-21 23:53:25 +02:00
committed by David Sterba
parent c6e3ae8ac3
commit 287480e269
1 changed files with 11 additions and 20 deletions
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fs/btrfs/ref-verify.c
+11 -20
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@@ -162,30 +162,21 @@ static int comp_refs(struct ref_entry *ref1, struct ref_entry *ref2)
return 0;
}
static int ref_entry_cmp(struct rb_node *new, const struct rb_node *existing)
{
struct ref_entry *new_entry = rb_entry(new, struct ref_entry, node);
struct ref_entry *existing_entry = rb_entry(existing, struct ref_entry, node);
return comp_refs(new_entry, existing_entry);
}
static struct ref_entry *insert_ref_entry(struct rb_root *root,
struct ref_entry *ref)
{
struct rb_node **p = &root->rb_node;
struct rb_node *parent_node = NULL;
struct ref_entry *entry;
int cmp;
while (*p) {
parent_node = *p;
entry = rb_entry(parent_node, struct ref_entry, node);
cmp = comp_refs(entry, ref);
if (cmp > 0)
p = &(*p)->rb_left;
else if (cmp < 0)
p = &(*p)->rb_right;
else
return entry;
}
rb_link_node(&ref->node, parent_node, p);
rb_insert_color(&ref->node, root);
return NULL;
struct rb_node *node;
node = rb_find_add(&ref->node, root, ref_entry_cmp);
return rb_entry_safe(node, struct ref_entry, node);
}
static struct root_entry *lookup_root_entry(struct rb_root *root, u64 objectid)