On 2021/09/28 14:27, Christoph Hellwig wrote:
> Make the bad sector information a little more useful by printing
> current->comm to identify the caller.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> block/blk-core.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/block/blk-core.c b/block/blk-core.c
> index 5454db2fa263b..4c2a3db4bd336 100644
> --- a/block/blk-core.c
> +++ b/block/blk-core.c
> @@ -636,8 +636,9 @@ static void handle_bad_sector(struct bio *bio, sector_t maxsector)
> {
> char b[BDEVNAME_SIZE];
>
> - pr_info_ratelimited("attempt to access beyond end of device\n"
> + pr_info_ratelimited("%s: attempt to access beyond end of device\n"
> "%s: rw=%d, want=%llu, limit=%llu\n",
> + current->comm,
> bio_devname(bio, b), bio->bi_opf,
> bio_end_sector(bio), maxsector);
> }
Looks good. A stack dump, while noisier, would be even more useful :)
Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxx>
--
Damien Le Moal
Western Digital Research
