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cache: lvconvert accepts --cachemode for --cache

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All cache args could be specified when caching LV
(means converting LV to cached).

When --cachemode arg is given during cache-pool conversion,
store it in the metadata.

https://bugzilla.redhat.com/show_bug.cgi?id=1255184
This commit is contained in:
Zdenek Kabelac 2015-08-25 14:48:31 +02:00
parent a4fdfc098d
commit 9886fd236e
2 changed files with 6 additions and 1 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.129 - Version 2.02.129 -
=================================== ===================================
Accept --cachemode with lvconvert.
Fix and improve reporting properties of cache-pool. Fix and improve reporting properties of cache-pool.
Enable usage of --cachepolicy and --cachesetting with lvconvert. Enable usage of --cachepolicy and --cachesetting with lvconvert.
Don't allow to reduce size of thin-pool metadata. Don't allow to reduce size of thin-pool metadata.

6
tools/lvconvert.c
View File

@ -2828,7 +2828,7 @@ static int _lvconvert_pool(struct cmd_context *cmd,
if (!metadata_lv) { if (!metadata_lv) {
if (arg_from_list_is_set(cmd, "is invalid with existing pool", if (arg_from_list_is_set(cmd, "is invalid with existing pool",
cachemode_ARG, chunksize_ARG, discards_ARG, chunksize_ARG, discards_ARG,
zero_ARG, poolmetadatasize_ARG, -1)) zero_ARG, poolmetadatasize_ARG, -1))
return_0; return_0;
@ -3069,6 +3069,10 @@ mda_write:
seg->discards = lp->discards; seg->discards = lp->discards;
seg->zero_new_blocks = lp->zero ? 1 : 0; seg->zero_new_blocks = lp->zero ? 1 : 0;
if (lp->cache_mode &&
!cache_set_mode(seg, lp->cache_mode))
return_0;
if ((lp->policy_name || lp->policy_settings) && if ((lp->policy_name || lp->policy_settings) &&
!cache_set_policy(seg, lp->policy_name, lp->policy_settings)) !cache_set_policy(seg, lp->policy_name, lp->policy_settings))
return_0; return_0;