gentoo-overlay/sys-kernel/hardened-kernel/files/linux-6.12/0151-bcachefs-Convert-write...

168 lines
5.6 KiB
Diff

From 67434cd4b78571347f6e72f6e083a7ed2629ca1b Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Wed, 13 Nov 2024 23:08:57 -0500
Subject: [PATCH 151/233] bcachefs: Convert write path errors to inum_to_path()
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 8bit
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Alexander Miroshnichenko <alex@millerson.name>
---
fs/bcachefs/io_write.c | 91 +++++++++++++++++++++++++-----------------
1 file changed, 55 insertions(+), 36 deletions(-)
diff --git a/fs/bcachefs/io_write.c b/fs/bcachefs/io_write.c
index f97ebb30f6c0..bae045e76055 100644
--- a/fs/bcachefs/io_write.c
+++ b/fs/bcachefs/io_write.c
@@ -396,6 +396,21 @@ static int bch2_write_index_default(struct bch_write_op *op)
/* Writes */
+static void __bch2_write_op_error(struct printbuf *out, struct bch_write_op *op,
+ u64 offset)
+{
+ bch2_inum_offset_err_msg(op->c, out,
+ (subvol_inum) { op->subvol, op->pos.inode, },
+ offset << 9);
+ prt_printf(out, "write error%s: ",
+ op->flags & BCH_WRITE_MOVE ? "(internal move)" : "");
+}
+
+static void bch2_write_op_error(struct printbuf *out, struct bch_write_op *op)
+{
+ __bch2_write_op_error(out, op, op->pos.offset);
+}
+
void bch2_submit_wbio_replicas(struct bch_write_bio *wbio, struct bch_fs *c,
enum bch_data_type type,
const struct bkey_i *k,
@@ -532,14 +547,14 @@ static void __bch2_write_index(struct bch_write_op *op)
op->written += sectors_start - keylist_sectors(keys);
- if (ret && !bch2_err_matches(ret, EROFS)) {
+ if (unlikely(ret && !bch2_err_matches(ret, EROFS))) {
struct bkey_i *insert = bch2_keylist_front(&op->insert_keys);
- bch_err_inum_offset_ratelimited(c,
- insert->k.p.inode, insert->k.p.offset << 9,
- "%s write error while doing btree update: %s",
- op->flags & BCH_WRITE_MOVE ? "move" : "user",
- bch2_err_str(ret));
+ struct printbuf buf = PRINTBUF;
+ __bch2_write_op_error(&buf, op, bkey_start_offset(&insert->k));
+ prt_printf(&buf, "btree update error: %s", bch2_err_str(ret));
+ bch_err_ratelimited(c, "%s", buf.buf);
+ printbuf_exit(&buf);
}
if (ret)
@@ -1081,11 +1096,14 @@ static int bch2_write_extent(struct bch_write_op *op, struct write_point *wp,
*_dst = dst;
return more;
csum_err:
- bch_err_inum_offset_ratelimited(c,
- op->pos.inode,
- op->pos.offset << 9,
- "%s write error: error verifying existing checksum while rewriting existing data (memory corruption?)",
- op->flags & BCH_WRITE_MOVE ? "move" : "user");
+ {
+ struct printbuf buf = PRINTBUF;
+ bch2_write_op_error(&buf, op);
+ prt_printf(&buf, "error verifying existing checksum while rewriting existing data (memory corruption?)");
+ bch_err_ratelimited(c, "%s", buf.buf);
+ printbuf_exit(&buf);
+ }
+
ret = -EIO;
err:
if (to_wbio(dst)->bounce)
@@ -1176,11 +1194,11 @@ static void bch2_nocow_write_convert_unwritten(struct bch_write_op *op)
if (ret && !bch2_err_matches(ret, EROFS)) {
struct bkey_i *insert = bch2_keylist_front(&op->insert_keys);
- bch_err_inum_offset_ratelimited(c,
- insert->k.p.inode, insert->k.p.offset << 9,
- "%s write error while doing btree update: %s",
- op->flags & BCH_WRITE_MOVE ? "move" : "user",
- bch2_err_str(ret));
+ struct printbuf buf = PRINTBUF;
+ __bch2_write_op_error(&buf, op, bkey_start_offset(&insert->k));
+ prt_printf(&buf, "btree update error: %s", bch2_err_str(ret));
+ bch_err_ratelimited(c, "%s", buf.buf);
+ printbuf_exit(&buf);
}
if (ret) {
@@ -1340,17 +1358,19 @@ static void bch2_nocow_write(struct bch_write_op *op)
if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
goto retry;
+ bch2_trans_put(trans);
+ darray_exit(&buckets);
+
if (ret) {
- bch_err_inum_offset_ratelimited(c,
- op->pos.inode, op->pos.offset << 9,
- "%s: btree lookup error %s", __func__, bch2_err_str(ret));
+ struct printbuf buf = PRINTBUF;
+ bch2_write_op_error(&buf, op);
+ prt_printf(&buf, "%s(): btree lookup error: %s", __func__, bch2_err_str(ret));
+ bch_err_ratelimited(c, "%s", buf.buf);
+ printbuf_exit(&buf);
op->error = ret;
op->flags |= BCH_WRITE_SUBMITTED;
}
- bch2_trans_put(trans);
- darray_exit(&buckets);
-
/* fallback to cow write path? */
if (!(op->flags & BCH_WRITE_SUBMITTED)) {
closure_sync(&op->cl);
@@ -1463,14 +1483,14 @@ static void __bch2_write(struct bch_write_op *op)
if (ret <= 0) {
op->flags |= BCH_WRITE_SUBMITTED;
- if (ret < 0) {
- if (!(op->flags & BCH_WRITE_ALLOC_NOWAIT))
- bch_err_inum_offset_ratelimited(c,
- op->pos.inode,
- op->pos.offset << 9,
- "%s(): %s error: %s", __func__,
- op->flags & BCH_WRITE_MOVE ? "move" : "user",
- bch2_err_str(ret));
+ if (unlikely(ret < 0)) {
+ if (!(op->flags & BCH_WRITE_ALLOC_NOWAIT)) {
+ struct printbuf buf = PRINTBUF;
+ bch2_write_op_error(&buf, op);
+ prt_printf(&buf, "%s(): %s", __func__, bch2_err_str(ret));
+ bch_err_ratelimited(c, "%s", buf.buf);
+ printbuf_exit(&buf);
+ }
op->error = ret;
break;
}
@@ -1596,12 +1616,11 @@ CLOSURE_CALLBACK(bch2_write)
bch2_keylist_init(&op->insert_keys, op->inline_keys);
wbio_init(bio)->put_bio = false;
- if (bio->bi_iter.bi_size & (c->opts.block_size - 1)) {
- bch_err_inum_offset_ratelimited(c,
- op->pos.inode,
- op->pos.offset << 9,
- "%s write error: misaligned write",
- op->flags & BCH_WRITE_MOVE ? "move" : "user");
+ if (unlikely(bio->bi_iter.bi_size & (c->opts.block_size - 1))) {
+ struct printbuf buf = PRINTBUF;
+ bch2_write_op_error(&buf, op);
+ prt_printf(&buf, "misaligned write");
+ printbuf_exit(&buf);
op->error = -EIO;
goto err;
}
--
2.45.2