If we're going to the trouble of having these nice error strings, let's
make them available.
Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>
---
block/blk-core.c | 13 +++++++++----
include/linux/blkdev.h | 1 +
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index 10c08ac506..d68f24a7ee 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -213,18 +213,23 @@ int blk_status_to_errno(blk_status_t status)
}
EXPORT_SYMBOL_GPL(blk_status_to_errno);
-static void print_req_error(struct request *req, blk_status_t status,
- const char *caller)
+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;
+ return "(invalid error)";
+ return blk_errors[idx].name;
+}
+EXPORT_SYMBOL_GPL(blk_status_to_str);
+static void print_req_error(struct request *req, blk_status_t status,
+ const char *caller)
+{
printk_ratelimited(KERN_ERR
"%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,
+ caller, 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,
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 868e11face..d9e3b7b017 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -936,6 +936,7 @@ extern const char *blk_op_str(unsigned int op);
int blk_status_to_errno(blk_status_t status);
blk_status_t errno_to_blk_status(int errno);
+const char *blk_status_to_str(blk_status_t status);
int blk_poll(struct request_queue *q, blk_qc_t cookie, bool spin);
--
2.28.0
