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raid: Use inherited tags when wiping rmeta.

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If there's an activation volume_filter, it might not be possible
to activate the rmeta LVs to wipe them.  At least inherit any
LV tags from the parent LV while attempting this.
This commit is contained in:
Alasdair G Kergon 2016-04-29 19:49:21 +01:00
parent e3efcdc9f5
commit c76df666c9
2 changed files with 14 additions and 0 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.152 - Version 2.02.152 -
================================== ==================================
Use any inherited tags when wiping metadata sub LVs to ensure activation.
Add str_list_wipe. Add str_list_wipe.
Improve support for interrupting procesing of volumes during lvchange. Improve support for interrupting procesing of volumes during lvchange.
Use failed command return code when lvchanging read-only volume. Use failed command return code when lvchanging read-only volume.

13
lib/metadata/lv_manip.c
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@ -3834,6 +3834,16 @@ static int _lv_extend_layered_lv(struct alloc_handle *ah,
return 0; return 0;
} }
lv_set_visible(meta_lv); lv_set_visible(meta_lv);
/*
* Copy any tags from the new LV to the metadata LV so
* it can be activated temporarily.
*/
if (!str_list_dup(meta_lv->vg->vgmem, &meta_lv->tags, &lv->tags)) {
log_error("Failed to copy tags onto LV %s to clear metadata.", display_lvname(meta_lv));
return 0;
}
clear_metadata = 1; clear_metadata = 1;
} }
@ -3882,6 +3892,9 @@ static int _lv_extend_layered_lv(struct alloc_handle *ah,
return 0; return 0;
} }
lv_set_hidden(meta_lv); lv_set_hidden(meta_lv);
/* Wipe any temporary tags required for activation. */
str_list_wipe(&meta_lv->tags);
} }
} }