diff options
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 c4bc570a396e..6795a713b205 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -17,6 +17,7 @@ */ #include <linux/sched.h> +#include <linux/slab.h> #include "ctree.h" #include "disk-io.h" #include "transaction.h" @@ -3040,6 +3041,10 @@ static noinline int setup_leaf_for_split(struct btrfs_trans_handle *trans, if (ret > 0 || item_size != btrfs_item_size_nr(leaf, path->slots[0])) goto err; + /* the leaf has changed, it now has room. return now */ + if (btrfs_leaf_free_space(root, path->nodes[0]) >= ins_len) + goto err; + if (key.type == BTRFS_EXTENT_DATA_KEY) { fi = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item); |