gentoo-overlay/sys-kernel/hardened-kernel/files/linux-6.12/0141-bcachefs-do_fsck_ask_y...

129 lines
3.1 KiB
Diff

From 422310542e0699139ceba54439ed022097b55ebd Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 28 Nov 2024 16:25:41 -0500
Subject: [PATCH 141/233] bcachefs: do_fsck_ask_yn()
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 8bit
__bch2_fsck_err() is huge, and badly needs more refactoring
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Alexander Miroshnichenko <alex@millerson.name>
---
fs/bcachefs/error.c | 59 ++++++++++++++++++++++++++-------------------
1 file changed, 34 insertions(+), 25 deletions(-)
diff --git a/fs/bcachefs/error.c b/fs/bcachefs/error.c
index 23b9ecbcf3cf..0517782ca57a 100644
--- a/fs/bcachefs/error.c
+++ b/fs/bcachefs/error.c
@@ -219,6 +219,30 @@ static const u8 fsck_flags_extra[] = {
#undef x
};
+static int do_fsck_ask_yn(struct bch_fs *c,
+ struct btree_trans *trans,
+ struct printbuf *question,
+ const char *action)
+{
+ prt_str(question, ", ");
+ prt_str(question, action);
+
+ if (bch2_fs_stdio_redirect(c))
+ bch2_print(c, "%s", question->buf);
+ else
+ bch2_print_string_as_lines(KERN_ERR, question->buf);
+
+ int ask = bch2_fsck_ask_yn(c, trans);
+
+ if (trans) {
+ int ret = bch2_trans_relock(trans);
+ if (ret)
+ return ret;
+ }
+
+ return ask;
+}
+
int __bch2_fsck_err(struct bch_fs *c,
struct btree_trans *trans,
enum bch_fsck_flags flags,
@@ -291,16 +315,14 @@ int __bch2_fsck_err(struct bch_fs *c,
*/
if (s->last_msg && !strcmp(buf.buf, s->last_msg)) {
ret = s->ret;
- mutex_unlock(&c->fsck_error_msgs_lock);
- goto err;
+ goto err_unlock;
}
kfree(s->last_msg);
s->last_msg = kstrdup(buf.buf, GFP_KERNEL);
if (!s->last_msg) {
- mutex_unlock(&c->fsck_error_msgs_lock);
ret = -ENOMEM;
- goto err;
+ goto err_unlock;
}
if (c->opts.ratelimit_errors &&
@@ -356,31 +378,18 @@ int __bch2_fsck_err(struct bch_fs *c,
: c->opts.fix_errors;
if (fix == FSCK_FIX_ask) {
- prt_str(out, ", ");
- prt_str(out, action);
-
- if (bch2_fs_stdio_redirect(c))
- bch2_print(c, "%s", out->buf);
- else
- bch2_print_string_as_lines(KERN_ERR, out->buf);
print = false;
- int ask = bch2_fsck_ask_yn(c, trans);
-
- if (trans) {
- ret = bch2_trans_relock(trans);
- if (ret) {
- mutex_unlock(&c->fsck_error_msgs_lock);
- goto err;
- }
- }
+ ret = do_fsck_ask_yn(c, trans, out, action);
+ if (ret < 0)
+ goto err_unlock;
- if (ask >= YN_ALLNO && s)
- s->fix = ask == YN_ALLNO
+ if (ret >= YN_ALLNO && s)
+ s->fix = ret == YN_ALLNO
? FSCK_FIX_no
: FSCK_FIX_yes;
- ret = ask & 1
+ ret = ret & 1
? -BCH_ERR_fsck_fix
: -BCH_ERR_fsck_ignore;
} else if (fix == FSCK_FIX_yes ||
@@ -424,8 +433,6 @@ int __bch2_fsck_err(struct bch_fs *c,
if (s)
s->ret = ret;
- mutex_unlock(&c->fsck_error_msgs_lock);
-
if (inconsistent)
bch2_inconsistent_error(c);
@@ -442,6 +449,8 @@ int __bch2_fsck_err(struct bch_fs *c,
set_bit(BCH_FS_error, &c->flags);
}
}
+err_unlock:
+ mutex_unlock(&c->fsck_error_msgs_lock);
err:
if (action != action_orig)
kfree(action);
--
2.45.2