3 files changed, 17 insertions, 5 deletions

diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 9c28eb4..534544e 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);
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index 0124bff..e96cd4c 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -198,7 +198,9 @@ int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr,
 int btrfs_wait_ordered_extents(struct btrfs_root *root, int nr);
 void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr);
 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);
 void btrfs_put_logged_extents(struct list_head *logged_list);
 void btrfs_submit_logged_extents(struct list_head *logged_list,
 				 struct btrfs_root *log);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index afe483c..3883d0f 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3972,7 +3972,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
 
 	mutex_lock(&BTRFS_I(inode)->log_mutex);
 
-	btrfs_get_logged_extents(inode, &logged_list);
+	btrfs_get_logged_extents(inode, &logged_list, start, end);
 
 	/*
 	 * a brute force approach to making sure we get the most uptodate