Btrfs-progs: remove global transaction from fsck

We hold a transaction open for the entirety of fixing extent refs.  This works
out ok most of the time but we can be tight on space and run out of space when
fixing things.  To get around this just push down the transaction starting dance
into the functions that actually fix things.  This keeps us from ending up with
ENOSPC because we pinned everything and allows the code to be a bit simpler.
Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/ctree.h b/ctree.h
index be30cb63..f4275d9f 100644
--- a/ctree.h
+++ b/ctree.h
@@ -963,6 +963,7 @@ struct btrfs_fs_info {
 	struct extent_io_tree pinned_extents;
 	struct extent_io_tree pending_del;
 	struct extent_io_tree extent_ins;
+	struct extent_io_tree *excluded_extents;
 
 	/* logical->physical extent mapping */
 	struct btrfs_mapping_tree mapping_tree;