[RFC 7/9] print_req_error: Add persistent durable name
From: Tony Asleson <hidden>
Date: 2019-12-23 22:56:21
Also in:
linux-fsdevel, linux-scsi
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
Add persistent durable name to errors that occur in block mid layer. Signed-off-by: Tony Asleson <redacted> --- block/blk-core.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index d5e668ec751b..a0171a7c6535 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c@@ -211,11 +211,20 @@ static void print_req_error(struct request *req, blk_status_t status, const char *caller) { int idx = (__force int)status; + char dict[128]; + int dict_len = 0; if (WARN_ON_ONCE(idx >= ARRAY_SIZE(blk_errors))) return; - printk_ratelimited(KERN_ERR + if (req->rq_disk) { + dict_len = dev_durable_name( + disk_to_dev(req->rq_disk)->parent, + dict, + sizeof(dict)); + } + + printk_emit_ratelimited(0, LOGLEVEL_ERR, dict, dict_len, "%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,
--
2.21.0