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Take into account bytes from incoming req for 'full' seq cutoff policy

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Signed-off-by: Michal Rakowski <michal.rakowski@intel.com>
This commit is contained in:
Michal Rakowski 2020-04-24 15:41:10 +02:00
parent 0f85a73669
commit e7a2f333ae
1 changed files with 5 additions and 4 deletions
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9
src/ocf_seq_cutoff.c
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@ -7,17 +7,19 @@
#include "ocf_cache_priv.h" #include "ocf_cache_priv.h"
#include "ocf_priv.h" #include "ocf_priv.h"
#include "ocf/ocf_debug.h" #include "ocf/ocf_debug.h"
#include "utils/utils_cache_line.h"
#define SEQ_CUTOFF_FULL_MARGIN \ #define SEQ_CUTOFF_FULL_MARGIN \
(OCF_TO_EVICTION_MIN + OCF_PENDING_EVICTION_LIMIT) (OCF_TO_EVICTION_MIN + OCF_PENDING_EVICTION_LIMIT)
static inline bool ocf_seq_cutoff_is_on(ocf_cache_t cache) static inline bool ocf_seq_cutoff_is_on(ocf_cache_t cache,
struct ocf_request *req)
{ {
if (!ocf_cache_is_device_attached(cache)) if (!ocf_cache_is_device_attached(cache))
return false; return false;
return (ocf_freelist_num_free(cache->freelist) <= return (ocf_freelist_num_free(cache->freelist) <=
SEQ_CUTOFF_FULL_MARGIN); SEQ_CUTOFF_FULL_MARGIN + req->core_line_count);
} }
static int ocf_seq_cutoff_stream_cmp(struct ocf_rb_node *n1, static int ocf_seq_cutoff_stream_cmp(struct ocf_rb_node *n1,
@ -101,9 +103,8 @@ bool ocf_core_seq_cutoff_check(ocf_core_t core, struct ocf_request *req)
switch (policy) { switch (policy) {
case ocf_seq_cutoff_policy_always: case ocf_seq_cutoff_policy_always:
break; break;
case ocf_seq_cutoff_policy_full: case ocf_seq_cutoff_policy_full:
if (ocf_seq_cutoff_is_on(cache)) if (ocf_seq_cutoff_is_on(cache, req))
break; break;
return false; return false;