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bcachefs: fsck: Another transaction restart handling fix

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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 2022-08-18 17:00:12 -04:00 committed by Kent Overstreet
parent 42590b53fe
commit 12043cf151
3 changed files with 16 additions and 9 deletions
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2
fs/bcachefs/data_update.c
View File

@ -248,6 +248,8 @@ next:
}
continue;
nomatch:
trace_data_update_fail(&old.k->p);
if (m->ctxt) {
BUG_ON(k.k->p.offset <= iter.pos.offset);
atomic64_inc(&m->ctxt->stats->keys_raced);

12
fs/bcachefs/fsck.c
View File

@ -728,7 +728,7 @@ static int __get_visible_inodes(struct btree_trans *trans,
w->inodes.nr = 0;
for_each_btree_key(trans, iter, BTREE_ID_inodes, POS(0, inum),
for_each_btree_key_norestart(trans, iter, BTREE_ID_inodes, POS(0, inum),
BTREE_ITER_ALL_SNAPSHOTS, k, ret) {
u32 equiv = bch2_snapshot_equiv(c, k.k->p.snapshot);
@ -1372,13 +1372,11 @@ static int check_subdir_count(struct btree_trans *trans, struct inode_walker *w)
}
}
fsck_err:
if (ret) {
if (ret)
bch_err(c, "error from check_subdir_count(): %s", bch2_err_str(ret));
return ret;
}
if (trans_was_restarted(trans, restart_count))
return -BCH_ERR_transaction_restart_nested;
return 0;
if (!ret && trans_was_restarted(trans, restart_count))
ret = -BCH_ERR_transaction_restart_nested;
return ret;
}
static int check_dirent_target(struct btree_trans *trans,

11
fs/bcachefs/trace.h
View File

@ -18,7 +18,7 @@
__entry->dst##_snapshot = (src).snapshot
DECLARE_EVENT_CLASS(bpos,
TP_PROTO(struct bpos *p),
TP_PROTO(const struct bpos *p),
TP_ARGS(p),
TP_STRUCT__entry(
@ -225,7 +225,7 @@ TRACE_EVENT(journal_reclaim_finish,
/* bset.c: */
DEFINE_EVENT(bpos, bkey_pack_pos_fail,
TP_PROTO(struct bpos *p),
TP_PROTO(const struct bpos *p),
TP_ARGS(p)
);
@ -727,6 +727,13 @@ TRACE_EVENT(copygc_wait,
__entry->wait_amount, __entry->until)
);
DEFINE_EVENT(bpos, data_update_fail,
TP_PROTO(const struct bpos *p),
TP_ARGS(p)
);
/* btree transactions: */
DECLARE_EVENT_CLASS(transaction_event,
TP_PROTO(struct btree_trans *trans,
unsigned long caller_ip),