[lvm-devel] LVM2/lib/activate dev_manager.c
zkabelac at sourceware.org
zkabelac at sourceware.org
Tue Nov 15 17:15:04 UTC 2011
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac at sourceware.org 2011-11-15 17:15:04
Modified files:
lib/activate : dev_manager.c
Log message:
Thin fix tpool layer
Since we support snapshots of thin volumes, we could have more layers,
so we have to check whether tpool layer is going to be inserted.
As the _add_segment_to_dtree() is the only place that adds tpool
segment, we may just check pointer (no strcmp for layer).
Switch to use seg_is_ function instead of lv_is_.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/activate/dev_manager.c.diff?cvsroot=lvm2&r1=1.248&r2=1.249
--- LVM2/lib/activate/dev_manager.c 2011/11/03 14:52:09 1.248
+++ LVM2/lib/activate/dev_manager.c 2011/11/15 17:15:03 1.249
@@ -1455,6 +1455,7 @@
struct lv_segment *seg_present;
const char *target_name;
struct lv_activate_opts lva;
+ static const char tpool_layer[] = "tpool";
/* Ensure required device-mapper targets are loaded */
seg_present = find_cow(seg->lv) ? : seg;
@@ -1499,15 +1500,14 @@
} else if (lv_is_cow(seg->lv) && !layer) {
if (!_add_new_lv_to_dtree(dm, dtree, seg->lv, laopts, "cow"))
return_0;
- } else if (!layer && (lv_is_thin_pool(seg->lv) ||
- lv_is_thin_volume(seg->lv))) {
+ } else if ((layer != tpool_layer) && seg_is_thin(seg)) {
lva = *laopts;
lva.real_pool = 1;
- if (!_add_new_lv_to_dtree(dm, dtree, lv_is_thin_pool(seg->lv) ?
- seg->lv : seg->pool_lv, &lva, "tpool"))
+ if (!_add_new_lv_to_dtree(dm, dtree, seg_is_thin_pool(seg) ?
+ seg->lv : seg->pool_lv, &lva, tpool_layer))
return_0;
} else {
- if (lv_is_thin_pool(seg->lv) &&
+ if (seg_is_thin_pool(seg) &&
!_add_new_lv_to_dtree(dm, dtree, seg->pool_metadata_lv, laopts, NULL))
return_0;
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