alloc = (alloc_policy_t) arg_uint_value(cmd, alloc_ARG, lv->alloc);
+ /*
+ * First adjust to an exact multiple of extent size.
+ * When extending by a relative amount we round that amount up.
+ * When reducing by a relative amount we remove at most that amount.
+ * When changing to an absolute size, we round that size up.
+ */
if (lp->size) {
if (lp->size % vg->extent_size) {
if (lp->sign == SIGN_MINUS)
lp->size += vg->extent_size -
(lp->size % vg->extent_size);
- log_print("Rounding up size to full physical extent %s",
+ log_print("Rounding size to boundary between physical extents: %s",
display_size(cmd, lp->size));
}
if ((lp->extents > lv->le_count) &&
!(lp->stripes == 1 || (lp->stripes > 1 && lp->stripe_size))) {
/* FIXME Don't assume mirror seg will always be AREA_LV */
- dm_list_iterate_items(seg, seg_mirrors ? &seg_lv(mirr_seg, 0)->segments : &lv->segments) {
+ /* FIXME We will need to support resize for metadata LV as well,
+ * and data LV could be any type (i.e. mirror)) */
+ dm_list_iterate_items(seg, seg_mirrors ? &seg_lv(mirr_seg, 0)->segments :
+ lv_is_thin_pool(lv) ? &seg_lv(first_seg(lv), 0)->segments : &lv->segments) {
if (!seg_is_striped(seg))
continue;
return EINVALID_CMD_LINE;
}
lp->resize = LV_EXTEND;
+ } else if (lp->extents == lv->le_count) {
+ if (use_policy)
+ return ECMD_PROCESSED; /* Nothing to do. */
+ if (!lp->resizefs) {
+ log_error("New size (%d extents) matches existing size "
+ "(%d extents)", lp->extents, lv->le_count);
+ return EINVALID_CMD_LINE;
+ }
+ lp->resize = LV_EXTEND;
}
if (lv_is_origin(lv)) {
log_warn("Thin pool volumes do not have filesystem.");
lp->resizefs = 0;
}
-
- if (!lp->stripes) {
- /* Try to use the same strip settings for underlying pool data LV */
- lp->stripes = last_seg(seg_lv(first_seg(lv), 0))->area_count;
- if (!lp->stripe_size)
- lp->stripe_size = last_seg(seg_lv(first_seg(lv), 0))->stripe_size;
- }
}
if ((lp->resize == LV_REDUCE) && lp->argc)