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-rw-r--r--fs/btrfs/ordered-data.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 9c28eb4da4dd..534544e08f76 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -432,21 +432,31 @@ out:
/* Needs to either be called under a log transaction or the log_mutex */
void btrfs_get_logged_extents(struct inode *inode,
- struct list_head *logged_list)
+ struct list_head *logged_list,
+ const loff_t start,
+ const loff_t end)
{
struct btrfs_ordered_inode_tree *tree;
struct btrfs_ordered_extent *ordered;
struct rb_node *n;
+ struct rb_node *prev;
tree = &BTRFS_I(inode)->ordered_tree;
spin_lock_irq(&tree->lock);
- for (n = rb_first(&tree->tree); n; n = rb_next(n)) {
+ n = __tree_search(&tree->tree, end, &prev);
+ if (!n)
+ n = prev;
+ for (; n; n = rb_prev(n)) {
ordered = rb_entry(n, struct btrfs_ordered_extent, rb_node);
+ if (ordered->file_offset > end)
+ continue;
+ if (entry_end(ordered) <= start)
+ break;
if (!list_empty(&ordered->log_list))
continue;
if (test_bit(BTRFS_ORDERED_LOGGED, &ordered->flags))
continue;
- list_add_tail(&ordered->log_list, logged_list);
+ list_add(&ordered->log_list, logged_list);
atomic_inc(&ordered->refs);
}
spin_unlock_irq(&tree->lock);