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Add vg_set_clustered() - move logic from vgchange.
Similar to other vg_set_* functions, we create a vg_set_clustered() function which does a few checks and sets a flag. This is where we check for any limitations of clusters.
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@ -462,6 +462,7 @@ int vg_set_extent_size(struct volume_group *vg, uint32_t new_extent_size);
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int vg_set_max_lv(struct volume_group *vg, uint32_t max_lv);
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int vg_set_max_pv(struct volume_group *vg, uint32_t max_pv);
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int vg_set_alloc_policy(struct volume_group *vg, alloc_policy_t alloc);
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int vg_set_clustered(struct volume_group *vg, int clustered);
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int vg_split_mdas(struct cmd_context *cmd, struct volume_group *vg_from,
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struct volume_group *vg_to);
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@ -1127,6 +1127,26 @@ int vg_set_alloc_policy(struct volume_group *vg, alloc_policy_t alloc)
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return 1;
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}
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int vg_set_clustered(struct volume_group *vg, int clustered)
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{
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struct lv_list *lvl;
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if (clustered) {
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dm_list_iterate_items(lvl, &vg->lvs) {
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if (lv_is_origin(lvl->lv) || lv_is_cow(lvl->lv)) {
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log_error("Volume group %s contains snapshots "
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"that are not yet supported.",
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vg->name);
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return 0;
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}
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}
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}
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if (clustered)
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vg->status |= CLUSTERED;
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else
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vg->status &= ~CLUSTERED;
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return 1;
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}
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/*
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* Separate metadata areas after splitting a VG.
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@ -245,7 +245,6 @@ static int _vgchange_clustered(struct cmd_context *cmd,
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struct volume_group *vg)
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{
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int clustered = !strcmp(arg_str_value(cmd, clustered_ARG, "n"), "y");
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struct lv_list *lvl;
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if (clustered && (vg_is_clustered(vg))) {
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log_error("Volume group \"%s\" is already clustered",
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@ -259,26 +258,13 @@ static int _vgchange_clustered(struct cmd_context *cmd,
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return ECMD_FAILED;
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}
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if (clustered) {
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dm_list_iterate_items(lvl, &vg->lvs) {
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if (lv_is_origin(lvl->lv) || lv_is_cow(lvl->lv)) {
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log_error("Volume group %s contains snapshots "
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"that are not yet supported.",
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vg->name);
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return ECMD_FAILED;
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}
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}
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}
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if (!archive(vg)) {
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stack;
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return ECMD_FAILED;
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}
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if (clustered)
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vg->status |= CLUSTERED;
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else
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vg->status &= ~CLUSTERED;
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if (!vg_set_clustered(vg, clustered))
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return ECMD_FAILED;
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if (!vg_write(vg) || !vg_commit(vg)) {
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stack;
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