Commit 40cac0ec authored by Vitaliy Mysak's avatar Vitaliy Mysak Committed by Jim Harris
Browse files

ocf: send flush during shutdown 



Do management flush during OCF shutdown to write all dirty requests to cores.
Dirty requests are relevant to WriteBack mode only.

Change-Id: I778a73ed8ab5659921f192f638027d513c239814
Signed-off-by: default avatarVitaliy Mysak <vitaliy.mysak@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450683


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: default avatarDarek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent a34f905a

lib/bdev/ocf/vbdev_ocf.c

+32 −0
Original line number Diff line number Diff line
@@ -306,8 +306,40 @@ wait_for_requests(struct vbdev_ocf *vbdev) 
	vbdev_ocf_mngt_poll(vbdev, wait_for_requests_poll);

}



static void

flush_vbdev_cmpl(ocf_cache_t cache, void *priv, int error)

{

	struct vbdev_ocf *vbdev = priv;



	ocf_mngt_cache_unlock(cache);

	vbdev_ocf_mngt_continue(vbdev, error);

}



static void

flush_vbdev_poll(struct vbdev_ocf *vbdev)

{

	if (!ocf_cache_is_running(vbdev->ocf_cache)) {

		vbdev_ocf_mngt_continue(vbdev, -EINVAL);

		return;

	}



	if (ocf_mngt_cache_trylock(vbdev->ocf_cache)) {

		return;

	}



	vbdev_ocf_mngt_poll(vbdev, NULL);

	ocf_mngt_cache_flush(vbdev->ocf_cache, false, flush_vbdev_cmpl, vbdev);

}



static void

flush_vbdev(struct vbdev_ocf *vbdev)

{

	vbdev_ocf_mngt_poll(vbdev, flush_vbdev_poll);

}



/* Procedures called during unregister */

vbdev_ocf_mngt_fn unregister_path[] = {

	flush_vbdev,

	wait_for_requests,

	stop_vbdev,

	detach_cache,