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| author | Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2019-06-20 19:59:18 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-06-20 21:03:51 +0200 |
| commit | b0e5168a77387d19caee1622e30f77464c369885 (patch) | |
| tree | 15d360f12cb07fef2106e1b11371629a17bd2de9 /block | |
| parent | block: use blk_op_str() in blk-mq-debugfs.c (diff) | |
| download | linux-b0e5168a77387d19caee1622e30f77464c369885.tar.xz linux-b0e5168a77387d19caee1622e30f77464c369885.zip | |
block: update print_req_error()
Improve the print_req_error with additional request fields which are
helpful for debugging. Use newly introduced blk_op_str() to print the
REQ_OP_XXX in the string format.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 129204dd3bae..5d1fc8e17dd1 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -212,11 +212,14 @@ static void print_req_error(struct request *req, blk_status_t status, return; printk_ratelimited(KERN_ERR - "%s: %s error, dev %s, sector %llu op 0x%x flags 0x%x\n", + "%s: %s error, dev %s, sector %llu op 0x%x:(%s) flags 0x%x " + "phys_seg %u prio class %u\n", caller, blk_errors[idx].name, - req->rq_disk ? req->rq_disk->disk_name : "?", - blk_rq_pos(req), req_op(req), - req->cmd_flags & ~REQ_OP_MASK); + req->rq_disk ? req->rq_disk->disk_name : "?", + blk_rq_pos(req), req_op(req), blk_op_str(req_op(req)), + req->cmd_flags & ~REQ_OP_MASK, + req->nr_phys_segments, + IOPRIO_PRIO_CLASS(req->ioprio)); } static void req_bio_endio(struct request *rq, struct bio *bio, |