bcachefs: Add a bch_page_state assert

Seeing an odd bug with page/folio state not being properly initialized,
this is to help track it down.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c
index d98b654..e25dbbf 100644 (file)
--- a/fs/bcachefs/fs-io.c
+++ b/fs/bcachefs/fs-io.c
@@ -2682,6 +2682,8 @@ static int __bch2_truncate_page(struct bch_inode_info *inode,
                        goto unlock;
        }
 
+       BUG_ON(!s->uptodate);
+
        if (index != start >> PAGE_SHIFT)
                start_offset = 0;
        if (index != end >> PAGE_SHIFT)