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Merge pull request #1504 from robertbaldyga/ram-calculation-update

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Update needed RAM calculation method
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Robert Baldyga 2024-09-06 16:34:20 +02:00 committed by GitHub
commit 3de21a5b65
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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) static void _cache_mngt_start_complete(ocf_cache_t cache, void *priv, int error)
{ {
struct _cache_mngt_attach_context *ctx = priv; struct _cache_mngt_attach_context *ctx = priv;
int caller_status; int caller_status;
int result;
cache_mngt_destroy_cache_device_cfg(&ctx->device_cfg); cache_mngt_destroy_cache_device_cfg(&ctx->device_cfg);
if (error == -OCF_ERR_NO_FREE_RAM) { if (error == -OCF_ERR_NO_FREE_RAM)
result = cache_mngt_create_cache_device_cfg(&ctx->device_cfg, calculate_min_ram_size(cache, ctx);
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);
}
}
caller_status =_cache_mngt_async_callee_set_result(&ctx->async, error); caller_status =_cache_mngt_async_callee_set_result(&ctx->async, error);
if (caller_status == -KCAS_ERR_WAITING_INTERRUPTED) { if (caller_status == -KCAS_ERR_WAITING_INTERRUPTED) {

2
ocf

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