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authorMing Lei <ming.lei@redhat.com>2021-06-25 05:02:48 +0300
committerJens Axboe <axboe@kernel.dk>2021-06-25 18:50:31 +0300
commitcb9516be7708a2a18ec0a19fe3a225b5b3bc92c7 (patch)
treeee5d183398393aa97d7a782437f828cb35a4a305 /block
parentfd2ef39cc9a6b9c4c41864ac506906c52f94b06a (diff)
downloadlinux-cb9516be7708a2a18ec0a19fe3a225b5b3bc92c7.tar.xz
blk-mq: update hctx->dispatch_busy in case of real scheduler
Commit 6e6fcbc27e77 ("blk-mq: support batching dispatch in case of io") starts to support io batching submission by using hctx->dispatch_busy. However, blk_mq_update_dispatch_busy() isn't changed to update hctx->dispatch_busy in that commit, so fix the issue by updating hctx->dispatch_busy in case of real scheduler. Reported-by: Jan Kara <jack@suse.cz> Reviewed-by: Jan Kara <jack@suse.cz> Fixes: 6e6fcbc27e77 ("blk-mq: support batching dispatch in case of io") Signed-off-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20210625020248.1630497-1-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 3115ea2d0990..c2f3550337f7 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1224,9 +1224,6 @@ static void blk_mq_update_dispatch_busy(struct blk_mq_hw_ctx *hctx, bool busy)
{
unsigned int ewma;
- if (hctx->queue->elevator)
- return;
-
ewma = hctx->dispatch_busy;
if (!ewma && !busy)