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authorJames Morris <jmorris@namei.org>2010-05-06 10:56:07 +1000
committerJames Morris <jmorris@namei.org>2010-05-06 10:56:07 +1000
commit0ffbe2699cda6afbe08501098dff8a8c2fe6ae09 (patch)
tree81b1a2305d16c873371b65c5a863c0268036cefe /fs/btrfs/ctree.c
parent4e5d6f7ec3833c0da9cf34fa5c53c6058c5908b6 (diff)
parent7ebd467551ed6ae200d7835a84bbda0dcadaa511 (diff)
Merge branch 'master' into next
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);