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Explicitly validate valid_core_bitmap consistency

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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga 2022-03-30 22:42:10 +02:00
parent 9c751dd2b8
commit 25434cb8d1
1 changed files with 37 additions and 0 deletions
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37
src/metadata/metadata_superblock.c
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@ -206,6 +206,41 @@ static void _ocf_metadata_validate_superblock(ocf_pipeline_t pipeline,
ocf_pipeline_next(pipeline);
}
static void _ocf_metadata_validate_core_config(ocf_pipeline_t pipeline,
void *priv, ocf_pipeline_arg_t arg)
{
struct ocf_metadata_context *context = priv;
ocf_ctx_t ctx = context->cache->owner;
struct ocf_metadata_ctrl *ctrl;
struct ocf_superblock_config *superblock;
struct ocf_core_meta_config *core_config;
ocf_core_id_t core_id;
bool valid_in_bitmap;
ctrl = (struct ocf_metadata_ctrl *)context->ctrl;
superblock = METADATA_MEM_POOL(ctrl, metadata_segment_sb_config);
core_config = METADATA_MEM_POOL(ctrl, metadata_segment_core_config);
for (core_id = 0; core_id < OCF_CORE_MAX; core_id++) {
valid_in_bitmap = env_bit_test(core_id,
superblock->valid_core_bitmap);
if (valid_in_bitmap && !core_config[core_id].valid) {
ocf_log(ctx, log_err, "Core is marked as valid in "
"bitmap but not in core metadata!\n");
OCF_PL_FINISH_RET(pipeline, -OCF_ERR_INVAL);
}
if (core_config[core_id].valid && !valid_in_bitmap) {
ocf_log(ctx, log_err, "Core is marked as valid in "
"core metadata but not in bitmap!\n");
OCF_PL_FINISH_RET(pipeline, -OCF_ERR_INVAL);
}
}
ocf_pipeline_next(pipeline);
}
static void ocf_metadata_load_sb_restore(
struct ocf_metadata_context *context)
{
@ -282,6 +317,7 @@ struct ocf_pipeline_properties ocf_metadata_load_sb_pipeline_props = {
ocf_metadata_load_sb_load_segment_args),
OCF_PL_STEP_FOREACH(ocf_metadata_check_crc,
ocf_metadata_load_sb_load_segment_args),
OCF_PL_STEP(_ocf_metadata_validate_core_config),
OCF_PL_STEP_TERMINATOR(),
},
};
@ -347,6 +383,7 @@ struct ocf_pipeline_properties ocf_metadata_load_sb_recov_pipeline_props = {
ocf_metadata_load_sb_recov_load_segment_args),
OCF_PL_STEP_FOREACH(ocf_metadata_check_crc,
ocf_metadata_load_sb_recov_load_segment_args),
OCF_PL_STEP(_ocf_metadata_validate_core_config),
OCF_PL_STEP_TERMINATOR(),
},
};