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cas_cache: IO classification based on request size.

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Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2019-07-23 03:23:53 -04:00
parent a93cf22b60
commit 83a3cb693f
1 changed files with 10 additions and 0 deletions
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10
modules/cas_cache/classifier.c
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@ -545,6 +545,14 @@ static cas_cls_eval_t _cas_cls_file_offset_test(
return _cas_cls_numeric_test_u(c, offset); return _cas_cls_numeric_test_u(c, offset);
} }
/* Request size test function */
static cas_cls_eval_t _cas_cls_request_size_test(
struct cas_classifier *cls, struct cas_cls_condition *c,
struct cas_cls_io *io, ocf_part_id_t part_id)
{
return _cas_cls_numeric_test_u(c, CAS_BIO_BISIZE(io->bio));
}
/* Array of condition handlers */ /* Array of condition handlers */
static struct cas_cls_condition_handler _handlers[] = { static struct cas_cls_condition_handler _handlers[] = {
{ "done", _cas_cls_done_test, _cas_cls_generic_ctr }, { "done", _cas_cls_done_test, _cas_cls_generic_ctr },
@ -564,6 +572,8 @@ static struct cas_cls_condition_handler _handlers[] = {
_cas_cls_generic_dtr }, _cas_cls_generic_dtr },
{ "file_offset", _cas_cls_file_offset_test, _cas_cls_numeric_ctr, { "file_offset", _cas_cls_file_offset_test, _cas_cls_numeric_ctr,
_cas_cls_generic_dtr }, _cas_cls_generic_dtr },
{ "request_size", _cas_cls_request_size_test, _cas_cls_numeric_ctr,
_cas_cls_generic_dtr },
#ifdef CAS_WLTH_SUPPORT #ifdef CAS_WLTH_SUPPORT
{ "wlth", _cas_cls_wlth_test, _cas_cls_numeric_ctr, { "wlth", _cas_cls_wlth_test, _cas_cls_numeric_ctr,
_cas_cls_generic_dtr}, _cas_cls_generic_dtr},