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Tie all snapshot (de)activation requests to (de)activation of origin device.

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This commit is contained in:
Alasdair Kergon
2002-03-18 13:09:27 +00:00
parent 20ce742691
commit a76ba817a8
3 changed files with 49 additions and 9 deletions
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5
tools/lvchange.c
View File

@@ -67,7 +67,9 @@ static int lvchange_single(struct cmd_context *cmd, struct logical_volume *lv)
return EINVALID_CMD_LINE;
}
if (lv_is_origin(lv)) {
if (lv_is_origin(lv) &&
(arg_count(cmd, contiguous_ARG) || arg_count(cmd, permission_ARG) ||
arg_count(cmd, readahead_ARG) || arg_count(cmd, persistent_ARG))) {
log_error("Can't change logical volume \"%s\" under snapshot",
lv->name);
return ECMD_FAILED;
@@ -187,6 +189,7 @@ static int lvchange_availability(struct cmd_context *cmd,
}
if (activate) {
/* FIXME Tighter locking if lv_is_origin() */
log_verbose("Activating logical volume \"%s\"", lv->name);
if (!lock_vol(cmd, lv->lvid.s, LCK_LV_ACTIVATE))
return 0;

4
tools/vgchange.c
View File

@@ -35,6 +35,10 @@ static int _activate_lvs_in_vg(struct cmd_context *cmd,
list_iterate(lvh, &vg->lvs) {
lv = list_item(lvh, struct lv_list)->lv;
/* Only request activatation of snapshot origin devices */
if (lv_is_cow(lv))
continue;
if (!lock_vol(cmd, lv->lvid.s, lock | LCK_NONBLOCK))
continue;