Commit f12410bb authored by Kent Overstreet's avatar Kent Overstreet
Browse files

bcachefs: Add an error message for insufficient rw journal devs 



This causes us to go read-only - need an error message saying why.

Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent ee1b8dc1

fs/bcachefs/journal_reclaim.c

+11 −0
Original line number Diff line number Diff line
@@ -205,6 +205,17 @@ void bch2_journal_space_available(struct journal *j) 
	j->can_discard = can_discard;



	if (nr_online < metadata_replicas_required(c)) {

		struct printbuf buf = PRINTBUF;

		prt_printf(&buf, "insufficient writeable journal devices available: have %u, need %u\n"

			   "rw journal devs:", nr_online, metadata_replicas_required(c));



		rcu_read_lock();

		for_each_member_device_rcu(c, ca, &c->rw_devs[BCH_DATA_journal])

			prt_printf(&buf, " %s", ca->name);

		rcu_read_unlock();



		bch_err(c, "%s", buf.buf);

		printbuf_exit(&buf);

		ret = JOURNAL_ERR_insufficient_devices;

		goto out;

	}