diff options
Diffstat (limited to 'fs/bcachefs/backpointers.c')
| -rw-r--r-- | fs/bcachefs/backpointers.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c index ebeb6a5ff9d2..1d30066e63dc 100644 --- a/fs/bcachefs/backpointers.c +++ b/fs/bcachefs/backpointers.c @@ -514,6 +514,22 @@ check_existing_bp: if (!other_extent.k) goto missing; + rcu_read_lock(); + struct bch_dev *ca = bch2_dev_rcu_noerror(c, bp->k.p.inode); + if (ca) { + struct bkey_ptrs_c other_extent_ptrs = bch2_bkey_ptrs_c(other_extent); + bkey_for_each_ptr(other_extent_ptrs, ptr) + if (ptr->dev == bp->k.p.inode && + dev_ptr_stale_rcu(ca, ptr)) { + ret = drop_dev_and_update(trans, other_bp.v->btree_id, + other_extent, bp->k.p.inode); + if (ret) + goto err; + goto out; + } + } + rcu_read_unlock(); + if (bch2_extents_match(orig_k, other_extent)) { printbuf_reset(&buf); prt_printf(&buf, "duplicate versions of same extent, deleting smaller\n "); |