bcachefs: Fix btree iter flags in data move

Rebalance requires a not_extents iterator.

This wasn't hit before because all_snapshots disableds is_extents on
snapshots btrees - but has no effect on the reflink btree.

Reported-by: Maël Kerbiriou <mael.kerbiriou@free.fr>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/move.c b/fs/bcachefs/move.c
index 55e17c2d8e5ae4b02a68be8a5c4e2bc2975942d9..8fcdc6984f6e0bf6099c259c5b4e7ee4136caa5b 100644 (file)
--- a/fs/bcachefs/move.c
+++ b/fs/bcachefs/move.c
@@ -561,6 +561,7 @@ static int bch2_move_data_btree(struct moving_context *ctxt,
        bch2_trans_begin(trans);
        bch2_trans_iter_init(trans, &iter, btree_id, start,
                             BTREE_ITER_prefetch|
+                            BTREE_ITER_not_extents|
                             BTREE_ITER_all_snapshots);
 
        if (ctxt->rate)