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| author |   Jens Axboe <axboe@kernel.dk> | 2021-10-19 06:02:30 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-19 09:22:04 -0600 |
| commit | dc5fc361d891e089dfd9c0a975dc78041036b906 (patch) | |
| tree | 004b0128343675f265496ef661afa6ac63c55835 /include/linux/blkdev.h | |
| parent | block: change plugging to use a singly linked list (diff) | |
| download | wireguard-linux-dc5fc361d891e089dfd9c0a975dc78041036b906.tar.xz wireguard-linux-dc5fc361d891e089dfd9c0a975dc78041036b906.zip | |
block: attempt direct issue of plug list
If we have just one queue type in the plug list, then we can extend our
direct issue to cover a full plug list as well. This allows sending a
batch of requests for direct issue, which is more efficient than doing
one-at-a-time kind of issue.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/blkdev.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 4027112b9851..f13091d3d476 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -737,6 +737,7 @@ struct blk_plug { unsigned short rq_count; bool multiple_queues; + bool has_elevator; bool nowait; struct list_head cb_list; /* md requires an unplug callback */ |