block: show operation in error injection rules

Rules listed through the error_injection debugfs file omit the block
operation they match.  As a result, rules that differ only in operation
are indistinguishable even though op is mandatory when adding a rule.

Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20260715073341.95129-1-liu.yun@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/error-injection.c b/block/error-injection.c
index cfb83138960c866825837a47c1f4e3b7d4289ccd..e14bc4b723efb0038024c80ad100b131fbfc2e74 100644 (file)
--- a/block/error-injection.c
+++ b/block/error-injection.c
@@ -276,9 +276,10 @@ static int blk_error_injection_show(struct seq_file *s, void *private)
 
        rcu_read_lock();
        list_for_each_entry_rcu(inj, &disk->error_injection_list, entry) {
-               seq_printf(s, "%llu:%llu status=%s,chance=%u",
-                       inj->start, inj->end,
-                       blk_status_to_tag(inj->status), inj->chance);
+               seq_printf(s, "%llu:%llu op=%s,status=%s,chance=%u",
+                          inj->start, inj->end,
+                          blk_op_str(inj->op),
+                          blk_status_to_tag(inj->status), inj->chance);
                seq_putc(s, '\n');
        }
        rcu_read_unlock();