45 lines
1.6 KiB
Diff
45 lines
1.6 KiB
Diff
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From a81618382c36ca52f5076cb51897699f3e196ae3 Mon Sep 17 00:00:00 2001
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From: Kent Overstreet <kent.overstreet@linux.dev>
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Date: Tue, 10 Dec 2024 14:04:39 -0500
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Subject: [PATCH 205/213] bcachefs: better backpointer_target_not_found() error
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message
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Content-Type: text/plain; charset="utf-8"
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Alexander Miroshnichenko <alex@millerson.name>
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---
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fs/bcachefs/backpointers.c | 13 ++++++++++++-
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1 file changed, 12 insertions(+), 1 deletion(-)
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diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c
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index 5cc4aaa3a325..b93ddfa00fdd 100644
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--- a/fs/bcachefs/backpointers.c
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+++ b/fs/bcachefs/backpointers.c
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@@ -210,10 +210,21 @@ static int backpointer_target_not_found(struct btree_trans *trans,
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prt_printf(&buf, "backpointer doesn't match %s it points to:\n ",
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bp.v->level ? "btree node" : "extent");
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bch2_bkey_val_to_text(&buf, c, bp.s_c);
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- prt_printf(&buf, "\n ");
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+ prt_printf(&buf, "\n ");
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bch2_bkey_val_to_text(&buf, c, target_k);
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+ struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(target_k);
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+ const union bch_extent_entry *entry;
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+ struct extent_ptr_decoded p;
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+ bkey_for_each_ptr_decode(target_k.k, ptrs, p, entry)
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+ if (p.ptr.dev == bp.k->p.inode) {
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+ prt_printf(&buf, "\n ");
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+ struct bkey_i_backpointer bp2;
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+ bch2_extent_ptr_to_bp(c, bp.v->btree_id, bp.v->level, target_k, p, entry, &bp2);
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+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&bp2.k_i));
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+ }
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+
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if (fsck_err(trans, backpointer_to_missing_ptr,
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"%s", buf.buf))
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ret = bch2_backpointer_del(trans, bp.k->p);
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--
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2.45.2
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