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lvcreate: disallow snapshot of cache lv

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This commit is contained in:
David Teigland 2014-08-22 11:32:36 -05:00
parent 0b3d0e79f6
commit a67c484fac
1 changed files with 5 additions and 0 deletions
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5
tools/lvcreate.c
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@ -243,6 +243,11 @@ static int _determine_snapshot_type(struct volume_group *vg,
return 0; return 0;
} }
if (lv_is_cache(lvl->lv)) {
log_error("Snapshot of cache LV is not yet supported.");
return 0;
}
if (!arg_count(vg->cmd, extents_ARG) && !arg_count(vg->cmd, size_ARG)) { if (!arg_count(vg->cmd, extents_ARG) && !arg_count(vg->cmd, size_ARG)) {
if (seg_is_thin(lp)) { if (seg_is_thin(lp)) {
if (!(lp->segtype = get_segtype_from_string(vg->cmd, "thin"))) if (!(lp->segtype = get_segtype_from_string(vg->cmd, "thin")))