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cache: better support for alias check

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To still support disabling of policies for test we need
better logic for alias detection introduced in
588455d03e.
This commit is contained in:
Zdenek Kabelac 2016-04-27 00:19:04 +02:00
parent 2a2efab0b1
commit 49f32e4859
1 changed files with 6 additions and 4 deletions
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10
lib/cache_segtype/cache.c
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@ -208,12 +208,13 @@ static int _target_present(struct cmd_context *cmd,
uint32_t maj;
uint32_t min;
unsigned cache_feature;
unsigned cache_alias;
const char feature[12];
const char module[12]; /* check dm-%s */
} _features[] = {
{ 1, 9, CACHE_FEATURE_POLICY_SMQ | CACHE_FEATURE_POLICY_MQ, "policy_smq", "cache-smq" },
{ 1, 8, CACHE_FEATURE_POLICY_SMQ, "policy_smq", "cache-smq" },
{ 1, 3, CACHE_FEATURE_POLICY_MQ, "policy_mq", "cache-mq" },
{ 1, 9, 0, CACHE_FEATURE_POLICY_MQ, "policy_smq", "cache-smq" },
{ 1, 8, CACHE_FEATURE_POLICY_SMQ, 0, "policy_smq", "cache-smq" },
{ 1, 3, CACHE_FEATURE_POLICY_MQ, 0, "policy_mq", "cache-mq" },
};
static const char _lvmconf[] = "global/cache_disabled_features";
static unsigned _attrs = 0;
@ -253,7 +254,8 @@ static int _target_present(struct cmd_context *cmd,
(!_features[i].module[0] ||
(_attrs & _features[i].cache_feature) || /* already present */
module_present(cmd, _features[i].module)))
_attrs |= _features[i].cache_feature;
_attrs |= _features[i].cache_feature |
_features[i].cache_alias;
else
log_very_verbose("Target %s does not support %s.",
_cache_module, _features[i].feature);