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-rw-r--r--block/blk-core.c15
-rw-r--r--block/blk-mq.c13
-rw-r--r--block/blk.h2
3 files changed, 17 insertions, 13 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index ae9bea11695e..8e14438ef822 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -199,22 +199,13 @@ int blk_status_to_errno(blk_status_t status)
}
EXPORT_SYMBOL_GPL(blk_status_to_errno);
-void blk_print_req_error(struct request *req, blk_status_t status)
+const char *blk_status_to_str(blk_status_t status)
{
int idx = (__force int)status;
if (WARN_ON_ONCE(idx >= ARRAY_SIZE(blk_errors)))
- return;
-
- printk_ratelimited(KERN_ERR
- "%s error, dev %s, sector %llu op 0x%x:(%s) flags 0x%x "
- "phys_seg %u prio class %u\n",
- blk_errors[idx].name,
- 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));
+ return "<null>";
+ return blk_errors[idx].name;
}
/**
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 2a4eff639036..00df1eb031c0 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -717,6 +717,19 @@ static void blk_account_io_completion(struct request *req, unsigned int bytes)
}
}
+static void blk_print_req_error(struct request *req, blk_status_t status)
+{
+ printk_ratelimited(KERN_ERR
+ "%s error, dev %s, sector %llu op 0x%x:(%s) flags 0x%x "
+ "phys_seg %u prio class %u\n",
+ blk_status_to_str(status),
+ 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));
+}
+
/**
* blk_update_request - Complete multiple bytes without completing the request
* @req: the request being processed
diff --git a/block/blk.h b/block/blk.h
index 50aae8c0e03c..31ac75413287 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -250,7 +250,7 @@ static inline void blk_integrity_del(struct gendisk *disk)
unsigned long blk_rq_timeout(unsigned long timeout);
void blk_add_timer(struct request *req);
-void blk_print_req_error(struct request *req, blk_status_t status);
+const char *blk_status_to_str(blk_status_t status);
bool blk_attempt_plug_merge(struct request_queue *q, struct bio *bio,
unsigned int nr_segs, bool *same_queue_rq);