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Add _move_one_lv() helper function for vgsplit.

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This commit is contained in:
Dave Wysochanski 2008-04-10 01:30:22 +00:00
parent ec49b413c6
commit 3998882f2f
1 changed files with 25 additions and 15 deletions
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40
tools/vgsplit.c
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@ -93,6 +93,25 @@ static int _lv_is_in_vg(struct volume_group *vg, struct logical_volume *lv)
return 0;
}
static int _move_one_lv(struct volume_group *vg_from,
struct volume_group *vg_to,
struct list *lvh)
{
struct logical_volume *lv;
lv = list_item(lvh, struct lv_list)->lv;
list_del(lvh);
list_add(&vg_to->lvs, lvh);
if (lv->status & SNAPSHOT) {
vg_from->snapshot_count--;
vg_to->snapshot_count++;
} else {
vg_from->lv_count--;
vg_to->lv_count++;
}
return 1;
}
static int _move_lvs(struct volume_group *vg_from, struct volume_group *vg_to)
{
@ -152,11 +171,8 @@ static int _move_lvs(struct volume_group *vg_from, struct volume_group *vg_to)
continue;
/* Move this LV */
list_del(lvh);
list_add(&vg_to->lvs, lvh);
vg_from->lv_count--;
vg_to->lv_count++;
if (!_move_one_lv(vg_from, vg_to, lvh))
return 0;
}
/* FIXME Ensure no LVs contain segs pointing at LVs in the other VG */
@ -201,11 +217,8 @@ static int _move_snapshots(struct volume_group *vg_from,
*/
if (_lv_is_in_vg(vg_to, seg->cow) &&
_lv_is_in_vg(vg_to, seg->origin)) {
list_del(lvh);
list_add(&vg_to->lvs, lvh);
vg_from->snapshot_count--;
vg_to->snapshot_count++;
if (!_move_one_lv(vg_from, vg_to, lvh))
return 0;
}
}
@ -246,11 +259,8 @@ static int _move_mirrors(struct volume_group *vg_from,
}
if (seg_in == seg->area_count && log_in) {
list_del(lvh);
list_add(&vg_to->lvs, lvh);
vg_from->lv_count--;
vg_to->lv_count++;
if (!_move_one_lv(vg_from, vg_to, lvh))
return 0;
}
}