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Btrfs: prealloc more blocks for the extent map
authorChris Mason <chris.mason@oracle.com>
Sat, 28 Apr 2007 19:17:08 +0000 (15:17 -0400)
committerDavid Woodhouse <dwmw2@hera.kernel.org>
Sat, 28 Apr 2007 19:17:08 +0000 (15:17 -0400)
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/extent-tree.c patch | blob | blame | history

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 652cf305a9671740e7051c06053316ef315912e6..62051a36664a001e4836c07ba1ba70b7e9670aff 100644 (file)
--- 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 &&