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bcachefs: Fix a btree transaction iter overflow

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extent_replay_key dates from before putting iterators was required -
fixed.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2020-11-13 18:30:53 -05:00
committed by Kent Overstreet
parent 101d471367
commit 6d758368f1
1 changed files with 3 additions and 0 deletions
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3
fs/bcachefs/recovery.c
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@@ -456,6 +456,7 @@ static int bch2_extent_replay_key(struct bch_fs *c, enum btree_id btree_id,
__bch2_btree_iter_set_pos(split_iter, split->k.p, false);
bch2_trans_update(&trans, split_iter, split,
BTREE_TRIGGER_NORUN);
bch2_trans_iter_put(&trans, split_iter);
bch2_btree_iter_set_pos(iter, split->k.p);
@@ -481,6 +482,8 @@ static int bch2_extent_replay_key(struct bch_fs *c, enum btree_id btree_id,
BTREE_INSERT_LAZY_RW|
BTREE_INSERT_JOURNAL_REPLAY);
err:
bch2_trans_iter_put(&trans, iter);
if (ret == -EINTR)
goto retry;