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Implement asynchronous save, add core and remove core

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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2019-03-18 15:42:51 +01:00
parent f81a7e9d23
commit 72b6f35f52
5 changed files with 431 additions and 158 deletions
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67
src/mngt/ocf_mngt_cache.c
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@@ -2141,19 +2141,72 @@ void ocf_mngt_cache_stop(ocf_cache_t cache,
ocf_pipeline_next(pipeline);
}
void ocf_mngt_cache_save(ocf_cache_t cache,
ocf_mngt_cache_save_end_t cmpl, void *priv)
{
int result;
struct ocf_mngt_cache_save_context {
ocf_mngt_cache_save_end_t cmpl;
void *priv;
ocf_pipeline_t pipeline;
ocf_cache_t cache;
};
result = ocf_metadata_flush_superblock(cache);
if (result) {
static void ocf_mngt_cache_save_finish(ocf_pipeline_t pipeline,
void *priv, int error)
{
struct ocf_mngt_cache_save_context *context = priv;
context->cmpl(context->cache, context->priv, error);
ocf_pipeline_destroy(context->pipeline);
}
struct ocf_pipeline_properties ocf_mngt_cache_save_pipeline_properties = {
.priv_size = sizeof(struct ocf_mngt_cache_save_context),
.finish = ocf_mngt_cache_save_finish,
.steps = {
OCF_PL_STEP_TERMINATOR(),
},
};
static void ocf_mngt_cache_save_flush_sb_complete(void *priv, int error)
{
struct ocf_mngt_cache_save_context *context = priv;
ocf_cache_t cache = context->cache;
if (error) {
ocf_cache_log(cache, log_err,
"Failed to flush superblock! Changes "
"in cache config are not persistent!\n");
ocf_pipeline_finish(context->pipeline, -OCF_ERR_WRITE_CACHE);
return;
}
cmpl(cache, priv, result ? -OCF_ERR_WRITE_CACHE : 0);
ocf_pipeline_next(context->pipeline);
}
void ocf_mngt_cache_save(ocf_cache_t cache,
ocf_mngt_cache_save_end_t cmpl, void *priv)
{
struct ocf_mngt_cache_save_context *context;
ocf_pipeline_t pipeline;
int result;
OCF_CHECK_NULL(cache);
result = ocf_pipeline_create(&pipeline, cache,
&ocf_mngt_cache_save_pipeline_properties);
if (result) {
cmpl(cache, priv, result);
return;
}
context = ocf_pipeline_get_priv(pipeline);
context->cmpl = cmpl;
context->priv = priv;
context->pipeline = pipeline;
context->cache = cache;
ocf_metadata_flush_superblock(cache,
ocf_mngt_cache_save_flush_sb_complete, context);
}
static int _cache_mng_set_cache_mode(ocf_cache_t cache, ocf_cache_mode_t mode)