Ensure that core name is set and unique

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2019-07-20 13:51:03 +02:00
parent 9853814252
commit 4f0735b503
7 changed files with 77 additions and 40 deletions

View File

@@ -119,7 +119,6 @@ struct ocf_cache_add_core_context {
void *priv;
ocf_pipeline_t pipeline;
struct ocf_mngt_core_config cfg;
char core_name[OCF_CORE_NAME_SIZE];
ocf_cache_t cache;
ocf_core_t core;
@@ -346,8 +345,9 @@ static int __ocf_mngt_lookup_core_uuid(ocf_cache_t cache,
if (!env_strncmp(core->volume.uuid.data, cfg->uuid.data,
OCF_MIN(core->volume.uuid.size,
cfg->uuid.size)))
cfg->uuid.size))) {
return i;
}
}
return OCF_CORE_MAX;
@@ -468,27 +468,22 @@ static void ocf_mngt_cache_add_core_prepare(ocf_pipeline_t pipeline,
{
struct ocf_cache_add_core_context *context = priv;
ocf_cache_t cache = context->cache;
char *core_name = context->core_name;
ocf_core_t core;
int result;
result = _ocf_mngt_find_core_id(cache, &context->cfg);
if (result)
OCF_PL_FINISH_RET(context->pipeline, result);
if (context->cfg.name) {
result = env_strncpy(core_name, sizeof(context->core_name),
context->cfg.name, sizeof(context->core_name));
if (result)
OCF_PL_FINISH_RET(context->pipeline, result);
} else {
result = snprintf(core_name, sizeof(context->core_name),
"core%hu", context->cfg.core_id);
if (result < 0)
OCF_PL_FINISH_RET(context->pipeline, result);
}
if (!context->cfg.name)
OCF_PL_FINISH_RET(context->pipeline, -OCF_ERR_INVAL);
result = ocf_core_get_by_name(cache, context->cfg.name, &core);
if (!result && !context->cfg.try_add)
OCF_PL_FINISH_RET(context->pipeline, -OCF_ERR_CORE_EXIST);
result = ocf_core_set_name(&cache->core[context->cfg.core_id],
core_name, sizeof(context->core_name));
context->cfg.name, OCF_CORE_NAME_SIZE);
if (result)
OCF_PL_FINISH_RET(context->pipeline, result);
@@ -500,7 +495,7 @@ static void ocf_mngt_cache_add_core_insert(ocf_pipeline_t pipeline,
{
struct ocf_cache_add_core_context *context = priv;
ocf_cache_t cache = context->cache;
char *core_name = context->core_name;
const char *core_name = context->cfg.name;
int result;
ocf_cache_log(cache, log_debug, "Inserting core %s\n", core_name);
@@ -540,10 +535,10 @@ static void ocf_mngt_cache_add_core_finish(ocf_pipeline_t pipeline,
if (error == -OCF_ERR_CORE_NOT_AVAIL) {
ocf_cache_log(cache, log_err, "Core %s is zero size\n",
context->core_name);
context->cfg.name);
}
ocf_cache_log(cache, log_err, "Adding core %s failed\n",
context->core_name);
context->cfg.name);
goto out;
}
@@ -551,6 +546,7 @@ static void ocf_mngt_cache_add_core_finish(ocf_pipeline_t pipeline,
out:
context->cmpl(cache, core, context->priv, error);
env_vfree(context->cfg.name);
env_vfree(context->cfg.uuid.data);
ocf_pipeline_destroy(context->pipeline);
}
@@ -572,6 +568,7 @@ void ocf_mngt_cache_add_core(ocf_cache_t cache,
{
struct ocf_cache_add_core_context *context;
ocf_pipeline_t pipeline;
char *name;
void *data;
int result;
@@ -593,10 +590,23 @@ void ocf_mngt_cache_add_core(ocf_cache_t cache,
context->cache = cache;
context->cfg = *cfg;
name = env_vmalloc(OCF_CORE_NAME_SIZE);
if (!name) {
result = -OCF_ERR_NO_MEM;
goto err_pipeline;
}
result = env_strncpy(name, OCF_CORE_NAME_SIZE,
cfg->name, OCF_CORE_NAME_SIZE);
if (result)
goto err_name;
context->cfg.name = name;
data = env_vmalloc(cfg->uuid.size);
if (!data) {
result = -OCF_ERR_NO_MEM;
goto err_pipeline;
goto err_name;
}
result = env_memcpy(data, cfg->uuid.size, cfg->uuid.data,
@@ -610,6 +620,8 @@ void ocf_mngt_cache_add_core(ocf_cache_t cache,
err_uuid:
env_vfree(data);
err_name:
env_vfree(context->cfg.name);
err_pipeline:
ocf_pipeline_destroy(context->pipeline);
OCF_CMPL_RET(cache, NULL, priv, result);