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Metadata clear_dirty_if_invalid() utility

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Fix cacheline's metadata if it is dirty and invalid

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2021-10-04 14:37:02 +02:00
parent 800190153b
commit bb0ff67fe9
3 changed files with 52 additions and 0 deletions
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25
src/metadata/metadata.c
View File

@ -1566,6 +1566,31 @@ bool ocf_metadata_clear_valid_if_clean(struct ocf_cache *cache,
}
}
void ocf_metadata_clear_dirty_if_invalid(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_dirty_if_invalid_u8(cache,
line, start, stop);
case ocf_cache_line_size_8:
return _ocf_metadata_clear_dirty_if_invalid_u16(cache,
line, start, stop);
case ocf_cache_line_size_16:
return _ocf_metadata_clear_dirty_if_invalid_u32(cache,
line, start, stop);
case ocf_cache_line_size_32:
return _ocf_metadata_clear_dirty_if_invalid_u64(cache,
line, start, stop);
case ocf_cache_line_size_64:
return _ocf_metadata_clear_dirty_if_invalid_u128(cache,
line, start, stop);
case ocf_cache_line_size_none:
default:
ENV_BUG();
}
}
int ocf_metadata_init(struct ocf_cache *cache,
ocf_cache_line_size_t cache_line_size)
{

18
src/metadata/metadata_bit.h
View File

@ -245,6 +245,24 @@ static bool _ocf_metadata_clear_valid_if_clean_##type(struct ocf_cache *cache, \
return false; \
} \
} \
\
static void _ocf_metadata_clear_dirty_if_invalid_##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].dirty &= (mask & map[line].valid) | (~mask); \
} \
#define ocf_metadata_bit_funcs(type) \
ocf_metadata_bit_struct(type); \

9
src/metadata/metadata_status.h
View File

@ -40,6 +40,8 @@ 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);
void ocf_metadata_clear_dirty_if_invalid(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)
@ -249,6 +251,13 @@ static inline bool metadata_test_and_set_valid(struct ocf_cache *cache,
ocf_line_end_sector(cache), true);
}
static inline void metadata_clear_dirty_if_invalid(struct ocf_cache *cache,
ocf_cache_line_t line)
{
ocf_metadata_clear_dirty_if_invalid(cache, line, 0,
ocf_line_end_sector(cache));
}
/*******************************************************************************
* Valid - Sector Implementation
******************************************************************************/