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Update needed RAM calculation method

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Signed-off-by: Michal Prager <michal.prager@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
This commit is contained in:
Michal Prager 2023-07-23 14:47:28 -04:00 committed by Robert Baldyga
parent ec0e03fb39
commit f1ffd7af80
2 changed files with 33 additions and 15 deletions
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46
modules/cas_cache/layer_cache_management.c
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@ -2037,27 +2037,45 @@ static void init_instance_complete(struct _cache_mngt_attach_context *ctx,
}
static void calculate_min_ram_size(ocf_cache_t cache,
struct _cache_mngt_attach_context *ctx)
{
uint64_t volume_size;
int result;
ctx->min_free_ram = 0;
result = cache_mngt_create_cache_device_cfg(&ctx->device_cfg,
ctx->cache_path);
if (result)
goto end;
result = ocf_volume_open(ctx->device_cfg.volume,
ctx->device_cfg.volume_params);
if (result)
goto destroy_config;
volume_size = ocf_volume_get_length(ctx->device_cfg.volume);
ctx->min_free_ram = ocf_mngt_get_ram_needed(cache, volume_size);
ocf_volume_close(ctx->device_cfg.volume);
destroy_config:
cache_mngt_destroy_cache_device_cfg(&ctx->device_cfg);
end:
if (result)
printk(KERN_WARNING "Cannot calculate amount of DRAM needed\n");
}
static void _cache_mngt_start_complete(ocf_cache_t cache, void *priv, int error)
{
struct _cache_mngt_attach_context *ctx = priv;
int caller_status;
int result;
cache_mngt_destroy_cache_device_cfg(&ctx->device_cfg);
if (error == -OCF_ERR_NO_FREE_RAM) {
result = cache_mngt_create_cache_device_cfg(&ctx->device_cfg,
ctx->cache_path);
if (result) {
printk(KERN_WARNING "Cannot calculate amount of DRAM "
"needed\n");
ctx->min_free_ram = 0;
} else {
ocf_mngt_get_ram_needed(cache, &ctx->device_cfg,
&ctx->min_free_ram);
cache_mngt_destroy_cache_device_cfg(&ctx->device_cfg);
}
}
if (error == -OCF_ERR_NO_FREE_RAM)
calculate_min_ram_size(cache, ctx);
caller_status =_cache_mngt_async_callee_set_result(&ctx->async, error);
if (caller_status == -KCAS_ERR_WAITING_INTERRUPTED) {

2
ocf

@ -1 +1 @@
Subproject commit 01902e120611c0c385f8e49aeab1f9e540dd7750
Subproject commit 193410e7b2eafa439078067e24d34e8f09e5c48b