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block: make blk_update_request print prefix match ratelimited prefix 

In blk_update_request, change the printk_ratelimited
prefix from end_request to blk_update_request so it
matches the name printed if rate limiting occurs.

Old:
[10234.933106] blk_update_request: 174 callbacks suppressed
[10234.934940] end_request: critical target error, dev sdr, sector 16
[10234.949788] end_request: critical target error, dev sdr, sector 16

New:
[16863.445173] blk_update_request: 398 callbacks suppressed
[16863.447029] blk_update_request: critical target error, dev sdr, sector
1442066176
[16863.449383] blk_update_request: critical target error, dev sdr, sector
802802888
[16863.451680] blk_update_request: critical target error, dev sdr, sector
1609535456

Signed-off-by: Robert Elliott <elliott@hp.com>
Reviewed-by: Webb Scales <webbnh@hp.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Robert Elliott 2014-08-27 10:50:31 -05:00 committed by Jens Axboe
parent 764f612c6c
commit ef3ecb66bc
1 changed files with 2 additions and 2 deletions
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4
block/blk-core.c
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@ -2444,8 +2444,8 @@ bool blk_update_request(struct request *req, int error, unsigned int nr_bytes)
error_type = "I/O";
break;
}
printk_ratelimited(KERN_ERR "end_request: %s error, dev %s, sector %llu\n",
error_type, req->rq_disk ?
printk_ratelimited(KERN_ERR "%s: %s error, dev %s, sector %llu\n",
__func__, error_type, req->rq_disk ?
req->rq_disk->disk_name : "?",
(unsigned long long)blk_rq_pos(req));