[PATCH] nvme: Print capabilities changes just once

From: Breno Leitao
Date: Tue Jun 13 2023 - 13:57:12 EST


This current dev_info() could be very verbose and being printed very
frequently depending on some userspace application sending some specific
commands.

Let's turn it into a dev_info_once(), since it is not useful to know
about it all the time.

Signed-off-by: Breno Leitao <leitao@xxxxxxxxxx>
---
drivers/nvme/host/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 3ec38e2b9173..459e5a84e596 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1134,7 +1134,7 @@ void nvme_passthru_end(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u32 effects,
mutex_unlock(&ctrl->scan_lock);
}
if (effects & NVME_CMD_EFFECTS_CCC) {
- dev_info(ctrl->device,
+ dev_info_once(ctrl->device,
"controller capabilities changed, reset may be required to take effect.\n");
}
if (effects & (NVME_CMD_EFFECTS_NIC | NVME_CMD_EFFECTS_NCC)) {
--
2.34.1