Commit fca402b0 authored by Piotr Pelplinski's avatar Piotr Pelplinski Committed by Jim Harris
Browse files

ocf: add metadata callbacks 



This patch adds callback for serializing spdk metadata
stored in ocf cache devices.

Signed-off-by: default avatarPiotr Pelplinski <piotr.pelplinski@intel.com>
Change-Id: I856bac3d63c7172dd6c67361794159fa38812a78
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449300


Reviewed-by: default avatarDarek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent d6f0613d

lib/bdev/ocf/ctx.c

+29 −6
Original line number Diff line number Diff line
@@ -427,18 +427,41 @@ vbdev_ocf_ctx_cleaner_stop(ocf_cleaner_t c) 
	vbdev_ocf_queue_put(priv->queue);

}



static int vbdev_ocf_volume_updater_init(ocf_metadata_updater_t mu)

static void

vbdev_ocf_md_kick(void *ctx)

{

	ocf_metadata_updater_t mu = ctx;

	ocf_cache_t cache = ocf_metadata_updater_get_cache(mu);



	if (ocf_cache_is_running(cache)) {

		ocf_metadata_updater_run(mu);

	}

}



static int

vbdev_ocf_volume_updater_init(ocf_metadata_updater_t mu)

{

	/* TODO [metadata]: implement with persistent metadata support */

	struct spdk_thread *md_thread = spdk_get_thread();



	ocf_metadata_updater_set_priv(mu, md_thread);



	return 0;

}

static void vbdev_ocf_volume_updater_stop(ocf_metadata_updater_t mu)



static void

vbdev_ocf_volume_updater_stop(ocf_metadata_updater_t mu)

{

	/* TODO [metadata]: implement with persistent metadata support */



}

static void vbdev_ocf_volume_updater_kick(ocf_metadata_updater_t mu)



static void

vbdev_ocf_volume_updater_kick(ocf_metadata_updater_t mu)

{

	/* TODO [metadata]: implement with persistent metadata support */

	struct spdk_thread *md_thread = ocf_metadata_updater_get_priv(mu);



	/* We need to send message to updater thread because

	 * kick can happen from any thread */

	spdk_thread_send_msg(md_thread, vbdev_ocf_md_kick, mu);

}



/* This function is main way by which OCF communicates with user