init_flush_request() only set REQ_FLUSH when initializing flush
requests making them READ requests. Use WRITE_FLUSH instead.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Reported-by: Mike Snitzer <snitzer@xxxxxxxxxx>
---
So, this was the culprit for the incorrect data direction for flush
requests.
Thanks.
block/blk-flush.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: block/block/blk-flush.c
===================================================================
--- block.orig/block/blk-flush.c
+++ block/block/blk-flush.c
@@ -77,7 +77,7 @@ static void post_flush_end_io(struct req
static void init_flush_request(struct request *rq, struct gendisk *disk)
{
rq->cmd_type = REQ_TYPE_FS;
- rq->cmd_flags = REQ_FLUSH;
+ rq->cmd_flags = WRITE_FLUSH;
rq->rq_disk = disk;
}
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