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report: display proper LV size for reshapable RaidLVs

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Subtract reshape space when reporting visible lv_size on RaidLV.

Related: rhbz834579
Related: rhbz1191935
Related: rhbz1191978
This commit is contained in:
Heinz Mauelshagen 2017-03-07 18:47:20 +01:00
parent 43fb4aa69b
commit f4b30b0dae
2 changed files with 17 additions and 1 deletions
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2
lib/report/columns.h
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@ -69,7 +69,7 @@ FIELD(LVS, lv, BIN, "ActExcl", lvid, 10, lvactiveexclusively, lv_active_exclusiv
FIELD(LVS, lv, SNUM, "Maj", major, 0, int32, lv_major, "Persistent major number or -1 if not persistent.", 0)
FIELD(LVS, lv, SNUM, "Min", minor, 0, int32, lv_minor, "Persistent minor number or -1 if not persistent.", 0)
FIELD(LVS, lv, SIZ, "Rahead", lvid, 0, lvreadahead, lv_read_ahead, "Read ahead setting in current units.", 0)
FIELD(LVS, lv, SIZ, "LSize", size, 0, size64, lv_size, "Size of LV in current units.", 0)
FIELD(LVS, lv, SIZ, "LSize", lvid, 0, lv_size, lv_size, "Size of LV in current units.", 0)
FIELD(LVS, lv, SIZ, "MSize", lvid, 0, lvmetadatasize, lv_metadata_size, "For thin and cache pools, the size of the LV that holds the metadata.", 0)
FIELD(LVS, lv, NUM, "#Seg", lvid, 0, lvsegcount, seg_count, "Number of segments in LV.", 0)
FIELD(LVS, lv, STR, "Origin", lvid, 0, origin, origin, "For snapshots and thins, the origin device of this LV.", 0)

16
lib/report/report.c
View File

@ -2296,6 +2296,22 @@ static int _size64_disp(struct dm_report *rh __attribute__((unused)),
return _field_set_value(field, repstr, sortval);
}
static int _lv_size_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
const struct lv_segment *seg = first_seg(lv);
uint64_t size = lv->le_count;
if (!lv_is_raid_image(lv))
size -= seg->reshape_len * seg->area_count;
size *= lv->vg->extent_size;
return _size64_disp(rh, mem, field, &size, private);
}
static int _uint32_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))