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Introduce ocf_metadata_clear_valid_if_clean()

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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga 2021-09-07 22:49:33 +02:00
parent d7c1404f82
commit 65d3e7a41a
3 changed files with 61 additions and 0 deletions
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26
src/metadata/metadata.c
View File

@ -1540,6 +1540,32 @@ bool ocf_metadata_##what(struct ocf_cache *cache, \
_ocf_metadata_funcs(dirty)
_ocf_metadata_funcs(valid)
bool ocf_metadata_clear_valid_if_clean(struct ocf_cache *cache,
ocf_cache_line_t line, uint8_t start, uint8_t stop)
{
switch (cache->metadata.line_size) {
case ocf_cache_line_size_4:
return _ocf_metadata_clear_valid_if_clean_u8(cache,
line, start, stop);
case ocf_cache_line_size_8:
return _ocf_metadata_clear_valid_if_clean_u16(cache,
line, start, stop);
case ocf_cache_line_size_16:
return _ocf_metadata_clear_valid_if_clean_u32(cache,
line, start, stop);
case ocf_cache_line_size_32:
return _ocf_metadata_clear_valid_if_clean_u64(cache,
line, start, stop);
case ocf_cache_line_size_64:
return _ocf_metadata_clear_valid_if_clean_u128(cache,
line, start, stop);
case ocf_cache_line_size_none:
default:
ENV_BUG_ON(1);
return false;
}
}
int ocf_metadata_init(struct ocf_cache *cache,
ocf_cache_line_size_t cache_line_size)
{

26
src/metadata/metadata_bit.h
View File

@ -221,10 +221,36 @@ static bool _ocf_metadata_test_and_clear_##what##_##type( \
return test; \
} \
#define ocf_metadata_bit_func_basic(type) \
static bool _ocf_metadata_clear_valid_if_clean_##type(struct ocf_cache *cache, \
ocf_cache_line_t line, uint8_t start, uint8_t stop) \
{ \
type mask = _get_mask_##type(start, stop); \
\
struct ocf_metadata_ctrl *ctrl = \
(struct ocf_metadata_ctrl *) cache->metadata.priv; \
\
struct ocf_metadata_raw *raw = \
&ctrl->raw_desc[metadata_segment_collision]; \
\
struct ocf_metadata_map_##type *map = raw->mem_pool; \
\
_raw_bug_on(raw, line); \
\
map[line].valid &= ~mask & map[line].dirty; \
\
if (map[line].valid) { \
return true; \
} else { \
return false; \
} \
} \
#define ocf_metadata_bit_funcs(type) \
ocf_metadata_bit_struct(type); \
ocf_metadata_bit_func(dirty, type); \
ocf_metadata_bit_func(valid, type); \
ocf_metadata_bit_func_basic(type); \
ocf_metadata_bit_funcs(u8);
ocf_metadata_bit_funcs(u16);

9
src/metadata/metadata_status.h
View File

@ -26,6 +26,8 @@ bool ocf_metadata_clear_valid(struct ocf_cache *cache, ocf_cache_line_t line, ui
bool ocf_metadata_set_valid(struct ocf_cache *cache, ocf_cache_line_t line, uint8_t start, uint8_t stop);
bool ocf_metadata_test_and_set_valid(struct ocf_cache *cache, ocf_cache_line_t line, uint8_t start, uint8_t stop, bool all);
bool ocf_metadata_test_and_clear_valid(struct ocf_cache *cache, ocf_cache_line_t line, uint8_t start, uint8_t stop, bool all);
bool ocf_metadata_clear_valid_if_clean(struct ocf_cache *cache,
ocf_cache_line_t line, uint8_t start, uint8_t stop);
static inline void metadata_init_status_bits(struct ocf_cache *cache,
ocf_cache_line_t line)
@ -214,6 +216,13 @@ static inline void metadata_clear_valid(struct ocf_cache *cache,
ocf_metadata_clear_valid(cache, line, 0, ocf_line_end_sector(cache));
}
static inline void metadata_clear_valid_if_clean(struct ocf_cache *cache,
ocf_cache_line_t line)
{
ocf_metadata_clear_valid_if_clean(cache, line, 0,
ocf_line_end_sector(cache));
}
static inline bool metadata_test_and_clear_valid(
struct ocf_cache *cache, ocf_cache_line_t line)
{