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bcachefs: Fix btree_path_alloc()

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We need to call bch2_trans_update_max_paths() before marking the new
path as allocated, since we're not initializing it yet.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-02-08 18:04:22 -05:00
parent d7afe651ff
commit 992fa4e620
1 changed files with 8 additions and 3 deletions
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11
fs/bcachefs/btree_iter.c
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@ -1507,6 +1507,14 @@ static inline struct btree_path *btree_path_alloc(struct btree_trans *trans,
btree_path_overflow(trans);
idx = __ffs64(~trans->paths_allocated);
/*
* Do this before marking the new path as allocated, since it won't be
* initialized yet:
*/
if (unlikely(idx > trans->nr_max_paths))
bch2_trans_update_max_paths(trans);
trans->paths_allocated |= 1ULL << idx;
path = &trans->paths[idx];
@ -1517,9 +1525,6 @@ static inline struct btree_path *btree_path_alloc(struct btree_trans *trans,
btree_path_list_add(trans, pos, path);
trans->paths_sorted = false;
if (unlikely(idx > trans->nr_max_paths))
bch2_trans_update_max_paths(trans);
return path;
}