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| author | Chris Mason <chris.mason@oracle.com> | 2007-03-17 19:29:23 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-03-17 19:29:23 +0100 |
| commit | 4068947886f2d2a4c192941397bacd014a04b804 (patch) | |
| tree | a51d646016f2400f80b4dccafda09f2cc9ced083 /fs/btrfs/ctree.c | |
| parent | Btrfs: transaction handles everywhere (diff) | |
| download | linux-4068947886f2d2a4c192941397bacd014a04b804.tar.xz linux-4068947886f2d2a4c192941397bacd014a04b804.zip | |
Btrfs: minor comments
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.c')
| -rw-r--r-- | fs/btrfs/ctree.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 17a3ff2f1828..32922643b5bc 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; |