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cache: lvcreate --cachepool checks for cache pool
Code path missed validation of lvcreate --cachepool argument. If the non cache-pool LV was passed in, code has still continued further work and failed later on internal error. Validate this condition at right place now.
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@ -1,5 +1,6 @@
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Version 2.02.172 -
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===============================
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Improve lvcreate --cachepool arg validation.
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Limit maximal size of thin-pool for specific chunk size.
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Print a warning about in-use PVs with no VG using them.
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Disable automatic clearing of PVs that look like in-use orphans.
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@ -26,6 +26,7 @@ aux prepare_vg 5 80000
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aux lvmconf 'global/cache_disabled_features = [ "policy_smq" ]'
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#######################
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# Cache_Pool creation #
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#######################
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@ -62,6 +63,11 @@ grep "No command with matching syntax recognised" err
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# Check nothing has been created yet
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check vg_field $vg lv_count 0
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# Checks that argument passed with --cachepool is really a cache-pool
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lvcreate -an -l 1 -n $lv1 $vg
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# Hint: nice way to 'tee' only stderr.log so we can check it's log_error()
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fail lvcreate -L10 --cachepool $vg/$lv1 2> >(tee -a stderr.log >&2)
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grep "not a cache pool" stderr.log
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# With --type cache-pool we are clear which segtype has to be created
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lvcreate -l 1 --type cache-pool $vg/pool1
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@ -1193,6 +1193,13 @@ static int _determine_cache_argument(struct volume_group *vg,
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lp->create_pool = 0;
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lp->origin_name = NULL;
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} else if (lv) {
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if (arg_is_set(cmd, cachepool_ARG)) {
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/* Argument of --cachepool has to be a cache-pool */
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log_error("Logical volume %s is not a cache pool.",
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display_lvname(lv));
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return 0;
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}
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/* Origin exists, create cache pool volume */
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if (!validate_lv_cache_create_origin(lv))
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return_0;
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