Fair share of tags is number of tags diveded on number
of users. Not sure why it is different.
Signed-off-by: Alexander Gordeev <agord...@redhat.com>
Cc: Jens Axboe <ax...@kernel.dk>
---
block/blk-mq-tag.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index d1eb579..1b9c949 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -127,7 +127,7 @@ static inline bool hctx_may_queue(struct blk_mq_hw_ctx
*hctx,
/*
* Allow at least some tags
*/
- depth = max((bt->depth + users - 1) / users, 4U);
+ depth = max(bt->depth / users, 4U);
return atomic_read(&hctx->nr_active) < depth;
}
--
1.9.3
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