On Tue, Oct 30, 2018 at 02:40:15AM +0000, Balbir Singh wrote: > I ran into a bug where after hibernation due to incompatible > backends, the block driver returned BLK_STS_NOTSUPP, with the > current message it's hard to find out what the command flags > were. Adding req->cmd_flags help make the problem easier to > diagnose. > > Signed-off-by: Balbir Singh <sblbir@xxxxxxxx> > Reviewed-by: Eduardo Valentin <eduval@xxxxxxxxxx> > --- > > Testing: Compile tested at my end > > Changelog > - convert %llx to %x and remove casting to unsigned long long > > block/blk-core.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/block/blk-core.c b/block/blk-core.c > index cdfabc5646da..0fd6104bb0d2 100644 > --- a/block/blk-core.c > +++ b/block/blk-core.c > @@ -256,10 +256,11 @@ static void print_req_error(struct request *req, blk_status_t status) > if (WARN_ON_ONCE(idx >= ARRAY_SIZE(blk_errors))) > return; > > - printk_ratelimited(KERN_ERR "%s: %s error, dev %s, sector %llu\n", > - __func__, blk_errors[idx].name, req->rq_disk ? > - req->rq_disk->disk_name : "?", > - (unsigned long long)blk_rq_pos(req)); > + printk_ratelimited(KERN_ERR "%s: %s error, dev %s, sector %llu flags %x\n", > + __func__, blk_errors[idx].name, > + req->rq_disk ? req->rq_disk->disk_name : "?", > + (unsigned long long)blk_rq_pos(req), > + req->cmd_flags); > } > > static void req_bio_endio(struct request *rq, struct bio *bio, > -- > 2.16.2 > Looks fine: Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx> -- Ming
