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authorArne Jansen <sensille@gmx.net>2011-09-13 11:40:09 +0200
committerJan Schmidt <list.btrfs@jan-o-sch.net>2012-07-10 15:14:43 +0200
commitd13603ef6e14a12cd65a6975e8117c0fea7c7ddf (patch)
tree9f6a11b5b8963f0663a47c7bbe73d698fb0cff71 /fs/btrfs/transaction.h
parent2f38b3e1900634e64a186873b3388b1bf85dabc0 (diff)
downloadlinux-d13603ef6e14a12cd65a6975e8117c0fea7c7ddf.tar.bz2
Btrfs: check the root passed to btrfs_end_transaction
This patch only add a consistancy check to validate that the same root is passed to start_transaction and end_transaction. Subvolume quota depends on this. Signed-off-by: Arne Jansen <sensille@gmx.net>
Diffstat (limited to 'fs/btrfs/transaction.h')
-rw-r--r--fs/btrfs/transaction.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index fe27379e368b..010729446e13 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -57,6 +57,12 @@ struct btrfs_trans_handle {
struct btrfs_block_rsv *block_rsv;
struct btrfs_block_rsv *orig_rsv;
int aborted;
+ /*
+ * this root is only needed to validate that the root passed to
+ * start_transaction is the same as the one passed to end_transaction.
+ * Subvolume quota depends on this
+ */
+ struct btrfs_root *root;
};
struct btrfs_pending_snapshot {