os/bluestore: _do_write_small fix head_pad

Signed-off-by: dheart <dheart_joe@163.com>
(cherry picked from commit ed8dd300a88173b1e5efafb6bb061a15ea296c29)

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 232e44d949d92b5eb4fc4cd2bb1886e595da1d75..b40b447bc92d0224699c66373670e8bf2ae538c4 100644 (file)
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -13366,7 +13366,7 @@ void BlueStore::_do_write_small(
                                    end_offs - offset + head_pad + tail_pad);
        }
        if (head_pad &&
-           o->extent_map.has_any_lextents(offset - head_pad, chunk_size)) {
+           o->extent_map.has_any_lextents(offset - head_pad, head_pad)) {
          head_pad = 0;
        }
        if (tail_pad && o->extent_map.has_any_lextents(end_offs, tail_pad)) {