Since we memset tmpl, max_size==0. This does not seem consistent with nr = 1.
In check_extent_refs, we will call:
set_extent_dirty(root->fs_info->excluded_extents,
rec->start,
rec->start + rec->max_size - 1);
This ends up with BUG_ON(end < start) in insert_state.
Signed-off-by: Christophe de Dinechin <dinec...@redhat.com>
---
cmds-check.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/cmds-check.c b/cmds-check.c
index 58e65d6..774e9b6 100644
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -6193,6 +6193,7 @@ static int add_tree_backref(struct cache_tree
*extent_cache, u64 bytenr,
tmpl.start = bytenr;
tmpl.nr = 1;
tmpl.metadata = 1;
+ tmpl.max_size = 1;
ret = add_extent_rec_nolookup(extent_cache, &tmpl);
if (ret)
--
2.9.3
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