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lv: use brackets for invisible devices when formatting device segments

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Include brackets for the name if the dev is invisible.
This change applies to all callers of _format_pvsegs fn:
  - lvseg_devices (the "lvs -o devices")
  - lvseg_metadata_devices (the "lvs -o metadata_devices)
  - lvseg_seg_pe_ranges (the "lvs -o seg_pe_ranges")
  - lvseg_seg_metadata_le_ranges (the "lvs -o seg_metadata_le_ranges")
This commit is contained in:
Peter Rajnoha 2016-01-12 14:49:56 +01:00
parent f1fe7af014
commit 7f74a99502
1 changed files with 20 additions and 5 deletions
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25
lib/metadata/lv.c
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@ -31,10 +31,13 @@ static int _utsinit = 0;
static char *_format_pvsegs(struct dm_pool *mem, const struct lv_segment *seg,
int range_format, int metadata_areas_only)
{
static const char pool_grow_object_failed_msg[] = "dm_pool_grow_object failed";
unsigned int s;
const char *name = NULL;
uint32_t extent = 0;
char extent_str[32];
struct logical_volume *lv;
int visible = 1;
if (!dm_pool_begin_object(mem, 256)) {
log_error("dm_pool_begin_object failed");
@ -47,7 +50,9 @@ static char *_format_pvsegs(struct dm_pool *mem, const struct lv_segment *seg,
for (s = 0; s < seg->area_count; s++) {
switch (metadata_areas_only ? seg_metatype(seg, s) : seg_type(seg, s)) {
case AREA_LV:
name = metadata_areas_only ? seg_metalv(seg, s)->name : seg_lv(seg, s)->name;
lv = metadata_areas_only ? seg_metalv(seg, s) : seg_lv(seg, s);
visible = lv_is_visible(lv);
name = lv->name;
extent = metadata_areas_only ? seg_le(seg, s) : 0;
break;
case AREA_PV:
@ -66,8 +71,18 @@ static char *_format_pvsegs(struct dm_pool *mem, const struct lv_segment *seg,
return NULL;
}
if (!visible && !dm_pool_grow_object(mem, "[", 1)) {
log_error(pool_grow_object_failed_msg);
return NULL;
}
if (!dm_pool_grow_object(mem, name, strlen(name))) {
log_error("dm_pool_grow_object failed");
log_error(pool_grow_object_failed_msg);
return NULL;
}
if (!visible && !dm_pool_grow_object(mem, "]", 1)) {
log_error(pool_grow_object_failed_msg);
return NULL;
}
@ -79,7 +94,7 @@ static char *_format_pvsegs(struct dm_pool *mem, const struct lv_segment *seg,
return NULL;
}
if (!dm_pool_grow_object(mem, extent_str, strlen(extent_str))) {
log_error("dm_pool_grow_object failed");
log_error(pool_grow_object_failed_msg);
return NULL;
}
@ -90,14 +105,14 @@ static char *_format_pvsegs(struct dm_pool *mem, const struct lv_segment *seg,
return NULL;
}
if (!dm_pool_grow_object(mem, extent_str, strlen(extent_str))) {
log_error("dm_pool_grow_object failed");
log_error(pool_grow_object_failed_msg);
return NULL;
}
}
if ((s != seg->area_count - 1) &&
!dm_pool_grow_object(mem, range_format ? " " : ",", 1)) {
log_error("dm_pool_grow_object failed");
log_error(pool_grow_object_failed_msg);
return NULL;
}
}