diff options
| author | Balbir Singh <sblbir@amzn.com> | 2018-10-30 03:40:15 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-12-01 19:39:38 +0100 |
| commit | 2149da0748fc236b9916c53e26b3b0c9ab20a5dd (patch) | |
| tree | 8b9afba18247af737f738c1298d05dc262ee73e6 /block | |
| parent | sbitmap: optimize wakeup check (diff) | |
| download | linux-2149da0748fc236b9916c53e26b3b0c9ab20a5dd.tar.xz linux-2149da0748fc236b9916c53e26b3b0c9ab20a5dd.zip | |
block: add cmd_flags to print_req_error
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.
Reviewed-by: Eduardo Valentin <eduval@amazon.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Balbir Singh <sblbir@amzn.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 3f6f5e6c2fe4..a1a5e1c14898 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -173,10 +173,11 @@ 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, |