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authorDavid S. Miller <davem@davemloft.net>2010-04-11 02:44:30 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-11 02:44:30 -0700
commit4a1032faac94ebbf647460ae3e06fc21146eb280 (patch)
tree7f31b97beb0406faa1523e619289ad0ab07c9787 /fs/btrfs/ctree.c
parentae4e8d63b5619d4d95f1d2bfa2b836caa6e62d06 (diff)
parent0eddb519b9127c73d53db4bf3ec1d45b13f844d1 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'fs/btrfs/ctree.c')
-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 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);