[PATCH] print_req_error: Use dev_err_ratelimited

[Tony Asleson]

Replace printk_ratelimited with dev_err_ratelimited which
adds dev_printk meta data. This is used by journald to
add disk ID information to the journal entry.

Signed-off-by: Tony Asleson <tasle...@redhat.com>
---
 block/blk-core.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 10c08ac50697..ee5d63e54a11 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -216,16 +216,18 @@ EXPORT_SYMBOL_GPL(blk_status_to_errno);
 static void print_req_error(struct request *req, blk_status_t status,
                const char *caller)
 {
+       struct device *dev;
        int idx = (__force int)status;
 
        if (WARN_ON_ONCE(idx >= ARRAY_SIZE(blk_errors)))
                return;
 
-       printk_ratelimited(KERN_ERR
-               "%s: %s error, dev %s, sector %llu op 0x%x:(%s) flags 0x%x "
+       dev = req->rq_disk ? disk_to_dev(req->rq_disk) : NULL;
+
+       dev_err_ratelimited(dev,
+               "%s: %s error, 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), blk_op_str(req_op(req)),
                req->cmd_flags & ~REQ_OP_MASK,
                req->nr_phys_segments,

base-commit: bbf5c979011a099af5dc76498918ed7df445635b
-- 
2.26.2