crimson/os/seastore/cache: conconrrent read of EXIST_CLEAN extents can

lead to non-stable and io pending extents

Fixes: https://tracker.ceph.com/issues/76197
Signed-off-by: Xuehan Xu <xuxuehan@qianxin.com>

diff --git a/src/crimson/os/seastore/cache.h b/src/crimson/os/seastore/cache.h
index 92cf2a9e487555d532fdec508627eb629762807c..792b13ea751b29d150bcdcf72b80e4de39679049 100644 (file)
--- a/src/crimson/os/seastore/cache.h
+++ b/src/crimson/os/seastore/cache.h
@@ -681,7 +681,7 @@ public:
         needs_step_2 = !ret.is_paddr_known;
       }
     } else {
-      assert(!extent->is_pending_io());
+      assert(!extent->is_pending_io() || extent->is_exist_clean());
       assert(extent->is_pending_in_trans(t.get_trans_id()));
       ++access_stats.trans_pending;
       ++stats.access.trans_pending;