2023-01-16 22:04:09

by Fedor Pchelkin

[permalink] [raw]
Subject: [PATCH 5.4] block: fix and cleanup bio_check_ro

From: Christoph Hellwig <[email protected]>

commit 57e95e4670d1126c103305bcf34a9442f49f6d6a upstream.

Don't use a WARN_ONCE when printing a potentially user triggered
condition.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Fedor Pchelkin <[email protected]>
---
block/blk-core.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 5808baa950c3..030de4fdf9b1 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -793,10 +793,7 @@ static inline bool bio_check_ro(struct bio *bio, struct hd_struct *part)

if (op_is_flush(bio->bi_opf) && !bio_sectors(bio))
return false;
-
- WARN_ONCE(1,
- "generic_make_request: Trying to write "
- "to read-only block-device %s (partno %d)\n",
+ pr_warn("Trying to write to read-only block-device %s (partno %d)\n",
bio_devname(bio, b), part->partno);
/* Older lvm-tools actually trigger this */
return false;
--
2.34.1