From 308535a05e4c39d2be26e0aeee722682deeb6f77 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Sat, 28 Apr 2007 15:17:08 -0400
Subject: [PATCH] Btrfs: prealloc more blocks for the extent map
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
fs/btrfs/extent-tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 652cf305a967..62051a36664a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -541,7 +541,7 @@ static int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
if (num_blocks == 0) {
fill_prealloc = 1;
num_blocks = 1;
- total_needed = min(level + 2, BTRFS_MAX_LEVEL) * 3;
+ total_needed = (min(level + 1, BTRFS_MAX_LEVEL) + 2) * 3;
}
find_search_start(root, 0);
if (info->block_group_cache &&
--
2.34.1