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bcachefs: Don't fail mounts due to devices that are marked as failed

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If a given set of replicas is entirely on failed devices, don't fail the
mount: we will still fail the mount if we have some copies on non failed
devices.

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 2021-04-02 23:41:10 -04:00 committed by Kent Overstreet
parent 1b05778707
commit ed8269cc1d
1 changed files with 9 additions and 2 deletions
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11
fs/bcachefs/replicas.c
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@ -975,11 +975,18 @@ bool bch2_have_enough_devs(struct bch_fs *c, struct bch_devs_mask devs,
percpu_down_read(&c->mark_lock);
for_each_cpu_replicas_entry(&c->replicas, e) {
unsigned i, nr_online = 0, dflags = 0;
unsigned i, nr_online = 0, nr_failed = 0, dflags = 0;
bool metadata = e->data_type < BCH_DATA_user;
for (i = 0; i < e->nr_devs; i++)
for (i = 0; i < e->nr_devs; i++) {
struct bch_dev *ca = bch_dev_bkey_exists(c, e->devs[i]);
nr_online += test_bit(e->devs[i], devs.d);
nr_failed += ca->mi.state == BCH_MEMBER_STATE_FAILED;
}
if (nr_failed == e->nr_devs)
continue;
if (nr_online < e->nr_required)
dflags |= metadata