aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authorChris Mason <chris.mason@oracle.com>2007-03-17 14:29:23 -0400
committerDavid Woodhouse <dwmw2@hera.kernel.org>2007-03-17 14:29:23 -0400
commit4068947886f2d2a4c192941397bacd014a04b804 (patch)
treea51d646016f2400f80b4dccafda09f2cc9ced083 /fs
parente089f05c18ab36ed5fa7e2319052e03ab800d518 (diff)
Btrfs: minor comments
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/ctree.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 17a3ff2f182..32922643b5b 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -294,6 +294,10 @@ static int balance_level(struct btrfs_trans_handle *trans, struct btrfs_root
parent_buf = path->nodes[level + 1];
pslot = path->slots[level + 1];
+ /*
+ * deal with the case where there is only one pointer in the root
+ * by promoting the node below to a root
+ */
if (!parent_buf) {
struct btrfs_buffer *child;
u64 blocknr = mid_buf->blocknr;
@@ -1043,6 +1047,7 @@ static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root
int ret;
int wret;
+ /* first try to make some room by pushing left and right */
wret = push_leaf_left(trans, root, path, data_size);
if (wret < 0)
return wret;