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Check if loaded cache name is valid.

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When loading cache, it's name should be the same as the loaded one.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2019-09-19 19:13:27 -04:00
parent d332c9d97f
commit c04ea4898f
3 changed files with 10 additions and 1 deletions
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1
src/metadata/metadata.c
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@ -290,6 +290,7 @@ static void ocf_metadata_load_properties_cmpl(
properties.cache_mode = superblock->cache_mode;
properties.shutdown_status = superblock->clean_shutdown;
properties.dirty_flushed = superblock->dirty_flushed;
properties.cache_name = superblock->name;
OCF_CMPL_RET(priv, 0, &properties);
}

1
src/metadata/metadata.h
View File

@ -206,6 +206,7 @@ struct ocf_metadata_load_properties {
ocf_metadata_layout_t layout;
ocf_cache_line_size_t line_size;
ocf_cache_mode_t cache_mode;
char *cache_name;
};
typedef void (*ocf_metadata_load_properties_end_t)(void *priv, int error,

9
src/mngt/ocf_mngt_cache.c
View File

@ -892,7 +892,6 @@ err_buffer:
/**
* Prepare metadata accordingly to mode (for load/recovery read from disk)
*/
static void _ocf_mngt_attach_load_properties_end(void *priv, int error,
struct ocf_metadata_load_properties *properties)
{
@ -919,6 +918,14 @@ static void _ocf_mngt_attach_load_properties_end(void *priv, int error,
OCF_PL_FINISH_RET(context->pipeline, -OCF_ERR_METADATA_FOUND);
}
/*
* Check if name loaded from disk is the same as present one.
*/
if (env_strncmp(cache->conf_meta->name, properties->cache_name,
OCF_CACHE_NAME_SIZE)) {
OCF_PL_FINISH_RET(context->pipeline, -OCF_ERR_CACHE_NAME_MISMATCH);
}
context->metadata.shutdown_status = properties->shutdown_status;
context->metadata.dirty_flushed = properties->dirty_flushed;