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thin: report external origin

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Use the field 'origin' for reporting external origin lv name.

For thin volumes with external origin, report the size of
external origin size via:

  lvs -o+origin_size
This commit is contained in:
Zdenek Kabelac 2013-01-15 15:16:16 +01:00
parent 386f3d5a5e
commit 30c13eff37
3 changed files with 12 additions and 1 deletions
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3
lib/display/display.c
View File

@ -594,6 +594,9 @@ int lvdisplay_full(struct cmd_context *cmd,
if (seg->origin) if (seg->origin)
log_print("LV Thin origin name %s", log_print("LV Thin origin name %s",
seg->origin->name); seg->origin->name);
if (seg->external_lv)
log_print("LV External origin name %s",
seg->origin->name);
if (inkernel) if (inkernel)
thin_active = lv_thin_percent(lv, 0, &thin_percent); thin_active = lv_thin_percent(lv, 0, &thin_percent);
} else if (lv_is_thin_pool(lv)) { } else if (lv_is_thin_pool(lv)) {

7
lib/metadata/lv.c
View File

@ -1,6 +1,6 @@
/* /*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved. * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2012 Red Hat, Inc. All rights reserved. * Copyright (C) 2004-2013 Red Hat, Inc. All rights reserved.
* *
* This file is part of LVM2. * This file is part of LVM2.
* *
@ -169,6 +169,9 @@ char *lv_origin_dup(struct dm_pool *mem, const struct logical_volume *lv)
if (lv_is_thin_volume(lv) && first_seg(lv)->origin) if (lv_is_thin_volume(lv) && first_seg(lv)->origin)
return lv_name_dup(mem, first_seg(lv)->origin); return lv_name_dup(mem, first_seg(lv)->origin);
if (lv_is_thin_volume(lv) && first_seg(lv)->external_lv)
return lv_name_dup(mem, first_seg(lv)->external_lv);
return NULL; return NULL;
} }
@ -282,6 +285,8 @@ uint64_t lv_origin_size(const struct logical_volume *lv)
{ {
if (lv_is_cow(lv)) if (lv_is_cow(lv))
return (uint64_t) find_cow(lv)->len * lv->vg->extent_size; return (uint64_t) find_cow(lv)->len * lv->vg->extent_size;
if (lv_is_thin_volume(lv) && first_seg(lv)->external_lv)
return first_seg(lv)->external_lv->size;
if (lv_is_origin(lv)) if (lv_is_origin(lv))
return lv->size; return lv->size;
return 0; return 0;

3
lib/report/report.c
View File

@ -343,6 +343,9 @@ static int _origin_disp(struct dm_report *rh, struct dm_pool *mem,
if (lv_is_thin_volume(lv) && first_seg(lv)->origin) if (lv_is_thin_volume(lv) && first_seg(lv)->origin)
return _lvname_disp(rh, mem, field, first_seg(lv)->origin, private); return _lvname_disp(rh, mem, field, first_seg(lv)->origin, private);
if (lv_is_thin_volume(lv) && first_seg(lv)->external_lv)
return _lvname_disp(rh, mem, field, first_seg(lv)->external_lv, private);
dm_report_field_set_value(field, "", NULL); dm_report_field_set_value(field, "", NULL);
return 1; return 1;
} }