summaryrefslogtreecommitdiff
path: root/block/blk-mq.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 3921c7cfd64c..2a4eff639036 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -667,6 +667,20 @@ void blk_mq_free_plug_rqs(struct blk_plug *plug)
blk_mq_free_request(rq);
}
+void blk_dump_rq_flags(struct request *rq, char *msg)
+{
+ printk(KERN_INFO "%s: dev %s: flags=%llx\n", msg,
+ rq->rq_disk ? rq->rq_disk->disk_name : "?",
+ (unsigned long long) rq->cmd_flags);
+
+ printk(KERN_INFO " sector %llu, nr/cnr %u/%u\n",
+ (unsigned long long)blk_rq_pos(rq),
+ blk_rq_sectors(rq), blk_rq_cur_sectors(rq));
+ printk(KERN_INFO " bio %p, biotail %p, len %u\n",
+ rq->bio, rq->biotail, blk_rq_bytes(rq));
+}
+EXPORT_SYMBOL(blk_dump_rq_flags);
+
static void req_bio_endio(struct request *rq, struct bio *bio,
unsigned int nbytes, blk_status_t error)
{