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cache: rename variable in _cache_add_target_line

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so it is not specific to lv/seg type
This commit is contained in:
David Teigland 2018-11-05 16:05:28 -06:00
parent 7541e002b2
commit 5ee1727f80
1 changed files with 11 additions and 5 deletions
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16
lib/cache_segtype/cache.c
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@ -543,6 +543,7 @@ static int _cache_add_target_line(struct dev_manager *dm,
uint32_t *pvmove_mirror_count __attribute__((unused)))
{
struct lv_segment *cache_pool_seg;
struct lv_segment *setting_seg;
char *metadata_uuid, *data_uuid, *origin_uuid;
uint64_t feature_flags = 0;
unsigned attr;
@ -552,15 +553,20 @@ static int _cache_add_target_line(struct dev_manager *dm,
return 0;
}
log_debug("cache_add_target_line lv %s pool %s", seg->lv->name, seg->pool_lv->name);
cache_pool_seg = first_seg(seg->pool_lv);
setting_seg = cache_pool_seg;
if (seg->cleaner_policy)
/* With cleaner policy always pass writethrough */
feature_flags |= DM_CACHE_FEATURE_WRITETHROUGH;
else
switch (cache_pool_seg->cache_mode) {
switch (setting_seg->cache_mode) {
default:
log_error(INTERNAL_ERROR "LV %s has unknown cache mode %d.",
display_lvname(seg->lv), cache_pool_seg->cache_mode);
display_lvname(seg->lv), setting_seg->cache_mode);
/* Fall through */
case CACHE_MODE_WRITETHROUGH:
feature_flags |= DM_CACHE_FEATURE_WRITETHROUGH;
@ -573,7 +579,7 @@ static int _cache_add_target_line(struct dev_manager *dm,
break;
}
switch (cache_pool_seg->cache_metadata_format) {
switch (setting_seg->cache_metadata_format) {
case CACHE_METADATA_FORMAT_1: break;
case CACHE_METADATA_FORMAT_2:
if (!_target_present(cmd, NULL, &attr))
@ -581,7 +587,7 @@ static int _cache_add_target_line(struct dev_manager *dm,
if (!(attr & CACHE_FEATURE_METADATA2)) {
log_error("LV %s has metadata format %u unsuported by kernel.",
display_lvname(seg->lv), cache_pool_seg->cache_metadata_format);
display_lvname(seg->lv), setting_seg->cache_metadata_format);
return 0;
}
feature_flags |= DM_CACHE_FEATURE_METADATA2;
@ -589,7 +595,7 @@ static int _cache_add_target_line(struct dev_manager *dm,
break;
default:
log_error(INTERNAL_ERROR "LV %s has unknown metadata format %u.",
display_lvname(seg->lv), cache_pool_seg->cache_metadata_format);
display_lvname(seg->lv), setting_seg->cache_metadata_format);
return 0;
}