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vblk: use interrupted wait API instead of normal wait

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Currently vblk driver uses wait_for_completion() for the requests from block layer or responses from Storage Server.  wait_for_completion() make the current waiter to be un-interrutable. But linux top utility loadavg metric includes the processes both in running state and uninterruptable sate.

Replace wait_for_completion() with wait_for_completion_interruptible()  in driver, so that vblk wait will not be included in loadavg.
This changes is made as per customer request. It is for only cosmetic or for accounting purposes and no effect in functionality.

Bug 4767390

Change-Id: I2b885a1623b7d2d3a7af00951c5421dacf9d3d26
Signed-off-by: Vikram Kanigiri <vkanigiri@nvidia.com>
(cherry picked from commit ff34c49236bf57542eae09a7e7f7189ac8bddd13)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3219307
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Sreenivas Velpula <svelpula@nvidia.com>
Reviewed-by: Vipin Kumar <vipink@nvidia.com>
(cherry picked from commit 2784d7b651cea6eb22195443d2cf43593084324b)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3262249
Reviewed-by: Sumeet Gupta <sumeetg@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Tested-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Reviewed-by: Gokul Vasan L J <gokull@nvidia.com>
This commit is contained in:
Vikram Kanigiri
2024-07-29 17:47:49 +05:30
committed by Jon Hunter
parent e41e3efcb8
commit 873e573464
1 changed files with 5 additions and 1 deletions
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6
drivers/block/tegra_virt_storage/tegra_hv_vblk.c
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@@ -701,9 +701,13 @@ static int vblk_request_worker(void *data)
{
struct vblk_dev *vblkdev = (struct vblk_dev *)data;
bool req_submitted, req_completed;
int ret;
while (true) {
wait_for_completion(&vblkdev->complete);
ret = wait_for_completion_interruptible(&vblkdev->complete);
if (ret < 0) {
continue;
}
/* Taking ivc lock before performing IVC read/write */
mutex_lock(&vblkdev->ivc_lock);