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Btrfs: don't run __tree_mod_log_free_eb on leaves 

When we split a leaf, we may end up inserting a new root on top of that
leaf.  The reflog code was incorrectly assuming the old root was always
a node.  This makes sure we skip over leaves.

Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Chris Mason 2012-08-07 15:34:49 -04:00 committed by Chris Mason
parent 6fc823b10f
commit b12a3b1ea2
1 changed files with 3 additions and 0 deletions
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3
fs/btrfs/ctree.c
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@ -625,6 +625,9 @@ __tree_mod_log_free_eb(struct btrfs_fs_info *fs_info, struct extent_buffer *eb)
u32 nritems;
int ret;
if (btrfs_header_level(eb) == 0)
return;
nritems = btrfs_header_nritems(eb);
for (i = nritems - 1; i >= 0; i--) {
ret = tree_mod_log_insert_key_locked(fs_info, eb, i,