Btrfs: enhance leak debug checker for extent state and extent buffer

This prints out eb->bflags since it contains some useful information,
e.g. whether eb is dirty.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index dfeb74a..5bd7ece 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -76,8 +76,8 @@ void btrfs_leak_debug_check(void)
 
        while (!list_empty(&buffers)) {
                eb = list_entry(buffers.next, struct extent_buffer, leak_list);
-               pr_err("BTRFS: buffer leak start %llu len %lu refs %d\n",
-                      eb->start, eb->len, atomic_read(&eb->refs));
+               pr_err("BTRFS: buffer leak start %llu len %lu refs %d bflags %lu\n",
+                      eb->start, eb->len, atomic_read(&eb->refs), eb->bflags);
                list_del(&eb->leak_list);
                kmem_cache_free(extent_buffer_cache, eb);
        }