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bcachefs: More BCH_SB_MEMBER_INVALID support

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-09-04 17:50:20 -04:00
parent df88febc20
commit 52df04f039
4 changed files with 17 additions and 9 deletions
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5
fs/bcachefs/buckets.c
View File

@ -100,7 +100,8 @@ static int bch2_check_fix_ptr(struct btree_trans *trans,
struct bch_dev *ca = bch2_dev_tryget(c, p.ptr.dev);
if (!ca) {
if (fsck_err(trans, ptr_to_invalid_device,
if (fsck_err_on(p.ptr.dev != BCH_SB_MEMBER_INVALID,
trans, ptr_to_invalid_device,
"pointer to missing device %u\n"
"while marking %s",
p.ptr.dev,
@ -562,7 +563,7 @@ static int bch2_trigger_pointer(struct btree_trans *trans,
struct bch_fs *c = trans->c;
struct bch_dev *ca = bch2_dev_tryget(c, p.ptr.dev);
if (unlikely(!ca)) {
if (insert)
if (insert && p.ptr.dev != BCH_SB_MEMBER_INVALID)
ret = -EIO;
goto err;
}

4
fs/bcachefs/ec.h
View File

@ -97,7 +97,9 @@ static inline bool __bch2_ptr_matches_stripe(const struct bch_extent_ptr *stripe
const struct bch_extent_ptr *data_ptr,
unsigned sectors)
{
return data_ptr->dev == stripe_ptr->dev &&
return (data_ptr->dev == stripe_ptr->dev ||
data_ptr->dev == BCH_SB_MEMBER_INVALID ||
stripe_ptr->dev == BCH_SB_MEMBER_INVALID) &&
data_ptr->gen == stripe_ptr->gen &&
data_ptr->offset >= stripe_ptr->offset &&
data_ptr->offset < stripe_ptr->offset + sectors;

5
fs/bcachefs/extents.c
View File

@ -787,6 +787,11 @@ void bch2_bkey_drop_ptr_noerror(struct bkey_s k, struct bch_extent_ptr *ptr)
union bch_extent_entry *entry = to_entry(ptr), *next;
bool drop_crc = true;
if (k.k->type == KEY_TYPE_stripe) {
ptr->dev = BCH_SB_MEMBER_INVALID;
return;
}
EBUG_ON(ptr < &ptrs.start->ptr ||
ptr >= &ptrs.end->ptr);
EBUG_ON(ptr->type != 1 << BCH_EXTENT_ENTRY_ptr);

2
fs/bcachefs/replicas.c
View File

@ -796,7 +796,7 @@ bool bch2_have_enough_devs(struct bch_fs *c, struct bch_devs_mask devs,
nr_online += test_bit(e->devs[i], devs.d);
struct bch_dev *ca = bch2_dev_rcu(c, e->devs[i]);
nr_failed += ca && ca->mi.state == BCH_MEMBER_STATE_failed;
nr_failed += !ca || ca->mi.state == BCH_MEMBER_STATE_failed;
}
rcu_read_unlock();