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authorJens Axboe <axboe@fb.com>2017-04-28 16:53:01 +0200
committerJens Axboe <axboe@fb.com>2017-05-02 15:52:08 +0200
commit9f2779bff2f178496fb00b89797734ee245d2c93 (patch)
tree72804d4ec3af8d61c59934a58609c9b98d14b304 /block
parentmtip32xx: convert internal command issue to block IO path (diff)
downloadlinux-9f2779bff2f178496fb00b89797734ee245d2c93.tar.xz
linux-9f2779bff2f178496fb00b89797734ee245d2c93.zip
blk-mq-sched: remove hack that bypasses scheduler for reserved requests
We have update the troublesome driver (mtip32xx) to deal with this appropriately. So kill the hack that bypassed scheduler allocation and insertion for reserved requests. Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Tested-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq-sched.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index 8b361e192e8a..e79e9f18d7c2 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -82,11 +82,7 @@ struct request *blk_mq_sched_get_request(struct request_queue *q,
if (likely(!data->hctx))
data->hctx = blk_mq_map_queue(q, data->ctx->cpu);
- /*
- * For a reserved tag, allocate a normal request since we might
- * have driver dependencies on the value of the internal tag.
- */
- if (e && !(data->flags & BLK_MQ_REQ_RESERVED)) {
+ if (e) {
data->flags |= BLK_MQ_REQ_INTERNAL;
/*