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block: fix and cleanup bio_check_ro

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commit 57e95e4670 upstream.

Don't use a WARN_ON when printing a potentially user triggered
condition.  Also don't print the partno when the block device name
already includes it, and use the %pg specifier to simplify printing
the block device name.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20220304180105.409765-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christoph Hellwig 2022-03-04 19:00:56 +01:00 committed by Greg Kroah-Hartman
parent 7fe4fab870
commit 2eca102b35
1 changed files with 1 additions and 3 deletions
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4
block/blk-core.c
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@ -700,9 +700,7 @@ 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,
"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;