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bcachefs: bch2_dev_btree_bitmap_marked() -> bch2_dev_rcu()

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-04-30 16:11:15 -04:00
parent 267039d0fc
commit 13a16dabde
1 changed files with 19 additions and 6 deletions
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25
fs/bcachefs/sb-members.c
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@ -398,11 +398,20 @@ void bch2_dev_errors_reset(struct bch_dev *ca)
bool bch2_dev_btree_bitmap_marked(struct bch_fs *c, struct bkey_s_c k)
{
bkey_for_each_ptr(bch2_bkey_ptrs_c(k), ptr)
if (!bch2_dev_btree_bitmap_marked_sectors(bch2_dev_bkey_exists(c, ptr->dev),
ptr->offset, btree_sectors(c)))
return false;
return true;
bool ret = true;
rcu_read_lock();
bkey_for_each_ptr(bch2_bkey_ptrs_c(k), ptr) {
struct bch_dev *ca = bch2_dev_rcu(c, ptr->dev);
if (!ca)
continue;
if (!bch2_dev_btree_bitmap_marked_sectors(ca, ptr->offset, btree_sectors(c))) {
ret = false;
break;
}
}
rcu_read_unlock();
return ret;
}
static void __bch2_dev_btree_bitmap_mark(struct bch_sb_field_members_v2 *mi, unsigned dev,
@ -440,6 +449,10 @@ void bch2_dev_btree_bitmap_mark(struct bch_fs *c, struct bkey_s_c k)
lockdep_assert_held(&c->sb_lock);
struct bch_sb_field_members_v2 *mi = bch2_sb_field_get(c->disk_sb.sb, members_v2);
bkey_for_each_ptr(bch2_bkey_ptrs_c(k), ptr)
bkey_for_each_ptr(bch2_bkey_ptrs_c(k), ptr) {
if (!bch2_member_exists(c->disk_sb.sb, ptr->dev))
continue;
__bch2_dev_btree_bitmap_mark(mi, ptr->dev, ptr->offset, btree_sectors(c));
}
}