Classify severity of I/O errors for target and transport errors.
Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
---
block/blk-core.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index 4ce953f..ab8c776 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -2028,9 +2028,15 @@ bool blk_update_request(struct request *req, int error, unsigned int nr_bytes)
if (error && req->cmd_type == REQ_TYPE_FS &&
!(req->cmd_flags & REQ_QUIET)) {
- printk(KERN_ERR "end_request: I/O error, dev %s, sector %llu\n",
- req->rq_disk ? req->rq_disk->disk_name : "?",
- (unsigned long long)blk_rq_pos(req));
+ char *error_type = "I/O";
+
+ if (error == -ENOLINK)
+ error_type = "recoverable transport";
+ else if (error == -EREMOTEIO)
+ error_type = "critical target";
+ printk(KERN_ERR "end_request: %s error, dev %s, sector %llu\n",
+ error_type, req->rq_disk ? req->rq_disk->disk_name : "?",
+ (unsigned long long)blk_rq_pos(req));
}
blk_account_io_completion(req, nr_bytes);
--
1.7.2.3
--
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