Patch adds association between iocontext and a request.
Signed-off-by: Adam Manzanares <[email protected]>
---
block/blk-core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/block/blk-core.c b/block/blk-core.c
index 36c7ac3..9c6d733 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -33,6 +33,7 @@
#include <linux/ratelimit.h>
#include <linux/pm_runtime.h>
#include <linux/blk-cgroup.h>
+#include <linux/ioprio.h>
#define CREATE_TRACE_POINTS
#include <trace/events/block.h>
@@ -1648,6 +1649,7 @@ out:
void init_request_from_bio(struct request *req, struct bio *bio)
{
+ struct io_context *ioc = rq_ioc(bio);
req->cmd_type = REQ_TYPE_FS;
req->cmd_flags |= bio->bi_opf & REQ_COMMON_MASK;
@@ -1657,6 +1659,9 @@ void init_request_from_bio(struct request *req, struct
bio *bio)
req->errors = 0;
req->__sector = bio->bi_iter.bi_sector;
req->ioprio = bio_prio(bio);
+ if (ioc)
+ req->ioprio = ioprio_best(req->ioprio, ioc->ioprio);
+
blk_rq_bio_prep(req->q, req, bio);
}
--
2.1.4
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