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bcachefs: Fix unhandled transaction restart in bch2_gc_btree_gens()

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This fixes https://github.com/koverstreet/bcachefs/issues/305

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2021-08-22 12:56:56 -04:00 committed by Kent Overstreet
parent 8dd6ed9451
commit f4ccfe07e2
1 changed files with 8 additions and 2 deletions
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10
fs/bcachefs/btree_gc.c
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@ -1736,8 +1736,14 @@ static int bch2_gc_btree_gens(struct bch_fs *c, enum btree_id btree_id)
BTREE_ITER_ALL_SNAPSHOTS);
while ((bch2_trans_begin(&trans),
k = bch2_btree_iter_peek(iter)).k &&
!(ret = bkey_err(k))) {
k = bch2_btree_iter_peek(iter)).k) {
ret = bkey_err(k);
if (ret == -EINTR)
continue;
if (ret)
break;
c->gc_gens_pos = iter->pos;
if (gc_btree_gens_key(c, k) && !commit_err) {