gentoo-overlay/sys-kernel/hardened-kernel/files/linux-6.12/0154-bcachefs-If-we-did-rep...

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2.3 KiB
Diff

From 247a12f3a216cb2368d596a152f0c32c2cb9d9c7 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 29 Nov 2024 18:17:00 -0500
Subject: [PATCH 154/233] bcachefs: If we did repair on a btree node, make sure
we rewrite it
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 8bit
Ensure that "invalid bkey" repair gets persisted, so that it doesn't
repeatedly spam the logs.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Alexander Miroshnichenko <alex@millerson.name>
---
fs/bcachefs/btree_io.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index eedcb2445b99..9df9fc1c5e2b 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -997,6 +997,7 @@ static int validate_bset_keys(struct bch_fs *c, struct btree *b,
got_good_key:
le16_add_cpu(&i->u64s, -next_good_key);
memmove_u64s_down(k, bkey_p_next(k), (u64 *) vstruct_end(i) - (u64 *) k);
+ set_btree_node_need_rewrite(b);
}
fsck_err:
printbuf_exit(&buf);
@@ -1259,6 +1260,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
memmove_u64s_down(k, bkey_p_next(k),
(u64 *) vstruct_end(i) - (u64 *) k);
set_btree_bset_end(b, b->set);
+ set_btree_node_need_rewrite(b);
continue;
}
if (ret)
@@ -1372,15 +1374,18 @@ static void btree_node_read_work(struct work_struct *work)
rb->start_time);
bio_put(&rb->bio);
- if (saw_error &&
+ if ((saw_error ||
+ btree_node_need_rewrite(b)) &&
!btree_node_read_error(b) &&
c->curr_recovery_pass != BCH_RECOVERY_PASS_scan_for_btree_nodes) {
- printbuf_reset(&buf);
- bch2_btree_id_level_to_text(&buf, b->c.btree_id, b->c.level);
- prt_str(&buf, " ");
- bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
- bch_err_ratelimited(c, "%s: rewriting btree node at due to error\n %s",
- __func__, buf.buf);
+ if (saw_error) {
+ printbuf_reset(&buf);
+ bch2_btree_id_level_to_text(&buf, b->c.btree_id, b->c.level);
+ prt_str(&buf, " ");
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(&b->key));
+ bch_err_ratelimited(c, "%s: rewriting btree node at due to error\n %s",
+ __func__, buf.buf);
+ }
bch2_btree_node_rewrite_async(c, b);
}
--
2.45.2