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authorKent Overstreet <kent.overstreet@gmail.com>2021-04-02 23:41:10 -0400
committerKent Overstreet <kent.overstreet@linux.dev>2023-10-22 17:08:54 -0400
commited8269cc1d4107985aa92ade34cd3fe71315dd6a (patch)
tree10bfad00bae7bbf1a3a819b55af29ec180022e8e /fs/bcachefs/replicas.c
parent1b05778707d04cb367a7ca8dbeff571b6117a191 (diff)
bcachefs: Don't fail mounts due to devices that are marked as failed
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>
Diffstat (limited to 'fs/bcachefs/replicas.c')
-rw-r--r--fs/bcachefs/replicas.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/bcachefs/replicas.c b/fs/bcachefs/replicas.c
index 8003973b0400..15ff0d3c936a 100644
--- a/fs/bcachefs/replicas.c
+++ b/fs/bcachefs/replicas.c
@@ -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