summaryrefslogtreecommitdiff
path: root/fs/bcachefs/btree_io.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/bcachefs/btree_io.c')
-rw-r--r--fs/bcachefs/btree_io.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index 84e302afc8fc..b30799e494eb 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -26,6 +26,12 @@
#include <linux/sched/mm.h>
+#ifdef CONFIG_BCACHEFS_DEBUG
+static unsigned bch2_btree_read_corrupt_ratio;
+module_param_named(btree_read_corrupt_ratio, bch2_btree_read_corrupt_ratio, uint, 0644);
+MODULE_PARM_DESC(btree_read_corrupt_ratio, "");
+#endif
+
static void bch2_btree_node_header_to_text(struct printbuf *out, struct btree_node *bn)
{
bch2_btree_id_level_to_text(out, BTREE_NODE_ID(bn), BTREE_NODE_LEVEL(bn));
@@ -568,9 +574,9 @@ static int __btree_err(int ret,
bch2_mark_btree_validate_failure(failed, ca->dev_idx);
struct extent_ptr_decoded pick;
- have_retry = !bch2_bkey_pick_read_device(c,
+ have_retry = bch2_bkey_pick_read_device(c,
bkey_i_to_s_c(&b->key),
- failed, &pick, -1);
+ failed, &pick, -1) == 1;
}
if (!have_retry && ret == -BCH_ERR_btree_node_read_err_want_retry)
@@ -615,7 +621,6 @@ static int __btree_err(int ret,
goto out;
case -BCH_ERR_btree_node_read_err_bad_node:
prt_str(&out, ", ");
- ret = __bch2_topology_error(c, &out);
break;
}
@@ -644,7 +649,6 @@ static int __btree_err(int ret,
goto out;
case -BCH_ERR_btree_node_read_err_bad_node:
prt_str(&out, ", ");
- ret = __bch2_topology_error(c, &out);
break;
}
print:
@@ -1408,7 +1412,7 @@ static void btree_node_read_work(struct work_struct *work)
ret = bch2_bkey_pick_read_device(c,
bkey_i_to_s_c(&b->key),
&failed, &rb->pick, -1);
- if (ret) {
+ if (ret <= 0) {
set_btree_node_read_error(b);
break;
}
@@ -1439,6 +1443,11 @@ start:
continue;
}
+ memset(&bio->bi_iter, 0, sizeof(bio->bi_iter));
+ bio->bi_iter.bi_size = btree_buf_bytes(b);
+
+ bch2_maybe_corrupt_bio(bio, bch2_btree_read_corrupt_ratio);
+
ret = bch2_btree_node_read_done(c, ca, b, &failed, &buf);
if (ret == -BCH_ERR_btree_node_read_err_want_retry ||
ret == -BCH_ERR_btree_node_read_err_must_retry)