From: Keith Busch <kbusch@kernel.org>
To: linux-nvme@lists.infradead.org, hch@lst.de, sagi@grimberg.me
Cc: Keith Busch <kbusch@kernel.org>
Subject: [PATCH 1/3] nvme/pci: Fix write and poll queue types
Date: Sat, 7 Dec 2019 02:13:14 +0900 [thread overview]
Message-ID: <20191206171316.2421-2-kbusch@kernel.org> (raw)
In-Reply-To: <20191206171316.2421-1-kbusch@kernel.org>
The number of poll or write queues should never be negative. Use unsigned
types so that it's not possible to have the driver allocate no queues.
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/pci.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 68701921dc23..7186f21ad899 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -66,14 +66,14 @@ static int io_queue_depth = 1024;
module_param_cb(io_queue_depth, &io_queue_depth_ops, &io_queue_depth, 0644);
MODULE_PARM_DESC(io_queue_depth, "set io queue depth, should >= 2");
-static int write_queues;
-module_param(write_queues, int, 0644);
+static unsigned int write_queues;
+module_param(write_queues, uint, 0644);
MODULE_PARM_DESC(write_queues,
"Number of queues to use for writes. If not set, reads and writes "
"will share a queue set.");
-static int poll_queues;
-module_param(poll_queues, int, 0644);
+static unsigned int poll_queues;
+module_param(poll_queues, uint, 0644);
MODULE_PARM_DESC(poll_queues, "Number of queues to use for polled IO.");
struct nvme_dev;
--
2.21.0
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next prev parent reply other threads:[~2019-12-06 17:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-06 17:13 [PATCH 0/3] nvme specialized queue fixes Keith Busch
2019-12-06 17:13 ` Keith Busch [this message]
2019-12-06 17:13 ` [PATCH 2/3] nvme/pci Limit write queue sizes to possible cpus Keith Busch
2019-12-06 17:13 ` [PATCH 3/3] nvme/pci: Fix read queue count Keith Busch
2019-12-07 8:55 ` Ming Lei
2019-12-06 17:46 ` [PATCH 0/3] nvme specialized queue fixes Jens Axboe
2019-12-06 17:58 ` Keith Busch
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