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Added Write Lifetime Hint support in classifier

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Signed-off-by: Michal Rakowski <michal.rakowski@intel.com>
This commit is contained in:
Michal Rakowski 2019-04-25 13:43:42 +02:00
parent f6e65598f0
commit 7eb2324189
3 changed files with 20 additions and 1 deletions
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15
modules/cas_cache/classifier.c
View File

@ -209,6 +209,17 @@ static cas_cls_eval_t _cas_cls_numeric_test_u(
return cas_cls_eval_no; return cas_cls_eval_no;
} }
#ifdef WLTH_SUPPORT
/* Write lifetime hint condition test */
static cas_cls_eval_t _cas_cls_wlth_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, io->bio->bi_write_hint);
}
#endif
/* Io class test function */ /* Io class test function */
static cas_cls_eval_t _cas_cls_io_class_test(struct cas_classifier *cls, static cas_cls_eval_t _cas_cls_io_class_test(struct cas_classifier *cls,
struct cas_cls_condition *c, struct cas_cls_io *io, struct cas_cls_condition *c, struct cas_cls_io *io,
@ -417,6 +428,10 @@ static struct cas_cls_condition_handler _handlers[] = {
_cas_cls_generic_dtr }, _cas_cls_generic_dtr },
{ "directory", _cas_cls_directory_test, _cas_cls_directory_ctr, { "directory", _cas_cls_directory_test, _cas_cls_directory_ctr,
_cas_cls_directory_dtr }, _cas_cls_directory_dtr },
#ifdef WLTH_SUPPORT
{ "wlth", _cas_cls_wlth_test, _cas_cls_numeric_ctr,
_cas_cls_generic_dtr},
#endif
{ NULL } { NULL }
}; };

4
modules/cas_cache/linux_kernel_version.h
View File

@ -83,6 +83,10 @@
#define BIO_OP_STATUS(bio) bio->bi_error #define BIO_OP_STATUS(bio) bio->bi_error
#endif #endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)
#define WLTH_SUPPORT
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0) #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0)
#define BIO_ENDIO(BIO, BYTES_DONE, ERROR) \ #define BIO_ENDIO(BIO, BYTES_DONE, ERROR) \
({ BIO_OP_STATUS(BIO) = ERROR; bio_endio(BIO); }) ({ BIO_OP_STATUS(BIO) = ERROR; bio_endio(BIO); })

2
ocf

@ -1 +1 @@
Subproject commit 9f927de841e82d07fda63c5ad3536620b536f5e0 Subproject commit bb6fe41b9df17c727780391cac7c816b3c484175