Btrfs: Replace the transaction work queue with kthreads
This creates one kthread for commits and one kthread for
deleting old snapshots. All the work queues are removed.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 5edbcc0..40f0e0c 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1352,6 +1352,8 @@
free_extent_buffer(tmp);
goto again;
} else {
+ if (tmp)
+ free_extent_buffer(tmp);
b = read_node_slot(root, b, slot);
}
}
@@ -3048,7 +3050,8 @@
free_extent_buffer(c);
path->nodes[level] = next;
path->slots[level] = 0;
- path->locks[level] = 1;
+ if (!path->skip_locking)
+ path->locks[level] = 1;
if (!level)
break;
if (level == 1 && path->locks[1] && path->reada)