shaba/lvm2
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Fix pvseg report for orphan PVs and other devices.

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If user requests report attribute from PVSEG type
and PV is orphan (or all devices is set), the report
is empty.

Try for example (when only orphan PV are present)
 #pvs
 #pvs -o +devices
# pvs /dev/sdb1
  PV         VG   Fmt  Attr PSize  PFree
    /dev/sdb1       lvm2 --   46.58G 46.58G
# pvs -o +devices /dev/sdb1
(no output)

The problem is caused by empty pv->segments list.

Fix it by providing fake segment here (similar to fake structures
in _pvsegs_sub_single() calls.
This commit is contained in:
Milan Broz 2009-04-21 12:59:18 +00:00
parent 81c7482974
commit d66abfb82a
4 changed files with 26 additions and 7 deletions
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1
WHATS_NEW
View File

@ -1,5 +1,6 @@
Version 2.02.46 -
================================
Fix pvs report for orphan PVs when segment attributes are requested.
Fix pvs -a output to not read volume groups from non-PV devices.
Add MMC (mmcblk) device type to filters.
Introduce memory pools per volume group (to reduce memory for large VGs).

4
test/t-listings.sh
View File

@ -34,6 +34,10 @@ pvcreate --metadatacopies 0 $dev5
pvs --noheadings|tee out
test $(wc -l <out) -eq 5
#COMM pvs with segment attributes works even for orphans
pvs --noheadings -o seg_all,pv_all,lv_all,vg_all | tee out
test $(wc -l <out) -eq 5
vgcreate -c n $vg $devs
#COMM pvs and vgs report mda_count, mda_free (bz202886, bz247444)

12
tools/reporter.c
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@ -54,15 +54,20 @@ static int _segs_single(struct cmd_context *cmd __attribute((unused)),
return ECMD_PROCESSED;
}
static int _pvsegs_sub_single(struct cmd_context *cmd __attribute((unused)),
static int _pvsegs_sub_single(struct cmd_context *cmd,
struct volume_group *vg,
struct pv_segment *pvseg, void *handle)
{
int ret = ECMD_PROCESSED;
struct lv_segment *seg = pvseg->lvseg;
struct volume_group _free_vg = {
.cmd = cmd,
.name = (char *)"",
};
struct logical_volume _free_logical_volume = {
.vg = vg,
.vg = vg ?: &_free_vg,
.name = (char *) "",
.snapshot = NULL,
.status = VISIBLE_LV,
@ -88,6 +93,9 @@ static int _pvsegs_sub_single(struct cmd_context *cmd __attribute((unused)),
_free_lv_segment.segtype = get_segtype_from_string(cmd, "free");
_free_lv_segment.len = pvseg->len;
dm_list_init(&_free_vg.pvs);
dm_list_init(&_free_vg.lvs);
dm_list_init(&_free_vg.tags);
dm_list_init(&_free_lv_segment.tags);
dm_list_init(&_free_lv_segment.origin_list);
dm_list_init(&_free_logical_volume.tags);

6
tools/toollib.c
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@ -375,6 +375,7 @@ int process_each_segment_in_pv(struct cmd_context *cmd,
int ret_max = ECMD_PROCESSED;
int ret;
struct volume_group *old_vg = vg;
struct pv_segment _free_pv_segment = { .pv = pv };
if (is_pv(pv) && !vg && !is_orphan(pv)) {
vg_name = pv_vg_name(pv);
@ -399,6 +400,11 @@ int process_each_segment_in_pv(struct cmd_context *cmd,
pv = pvl->pv;
}
if (dm_list_empty(&pv->segments)) {
ret = process_single(cmd, NULL, &_free_pv_segment, handle);
if (ret > ret_max)
ret_max = ret;
} else
dm_list_iterate_items(pvseg, &pv->segments) {
ret = process_single(cmd, vg, pvseg, handle);
if (ret > ret_max)