shaba/lvm2
1
0
Fork 0
mirror of git://sourceware.org/git/lvm2.git synced 2024-12-21 13:34:40 +03:00
Code Releases Activity

o lvdisplay now gives a segment map for the -m option.

Browse Source
This commit is contained in:
Joe Thornber 2002-01-21 12:05:39 +00:00
parent d29265b97d
commit 7fbaf10a79
3 changed files with 46 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

87
lib/display/display.c
View File

@ -112,7 +112,7 @@ void pvdisplay_full(struct physical_volume *pv)
size1 = display_size((pv->size - pv->pe_count * pv->pe_size)
/ 2, SIZE_SHORT);
/******** FIXME display LVM on-disk data size
/******** FIXME display LVM on-disk data size
size2 = display_size(pv->size / 2, SIZE_SHORT);
********/
@ -363,7 +363,7 @@ int lvdisplay_full(struct logical_volume *lv)
*************/
if (inkernel)
log_print("Block device %d:%d", info.major,
log_print("Block device %d:%d", info.major,
info.minor);
log_print(" ");
@ -371,52 +371,53 @@ int lvdisplay_full(struct logical_volume *lv)
return 0;
}
void lvdisplay_extents(struct logical_volume *lv)
void _display_stripe(struct stripe_segment *seg, int s, const char *pre)
{
int le;
struct list *pvh;
struct physical_volume *pv;
uint32_t len = seg->len / seg->stripes;
log_print("--- Distribution of logical volume on physical "
"volumes ---");
log_print("PV Name PE on PV ");
log_print("%sphysical volume\t%s", pre,
dev_name(seg->area[s].pv->dev));
/********* FIXME Segments & Stripes
list_iterate(pvh, &lv->vg->pvs) {
int count = 0;
pv = &list_item(pvh, struct pv_list)->pv;
for (le = 0; le < lv->le_count; le++)
if (lv->map[le].pv->dev == pv->dev)
count++;
if (count)
log_print("%-25s %d", dev_name(pv->dev), count);
}
**********/
/********* FIXME "reads writes"
printf("\n --- logical volume i/o statistic ---\n"
" %d reads %d writes\n", sum_reads, sum_writes);
******* */
log_print(" ");
log_print("--- Logical extents ---");
log_print("LE PV PE");
/******** FIXME Segments & Stripes
for (le = 0; le < lv->le_count; le++) {
log_print("%05d %-25s %05u ", le,
dev_name(lv->map[le].pv->dev), lv->map[le].pe);
}
******/
log_print(" ");
return;
log_print("%sphysical extents\t%d to %d",
pre,
seg->area[s].pe, seg->area[s].pe + len - 1);
}
int lvdisplay_segments(struct logical_volume *lv)
{
int s;
struct list *segh;
struct stripe_segment *seg;
log_print("--- Segments ---");
list_iterate (segh, &lv->segments) {
seg = list_item(segh, struct stripe_segment);
log_print("logical extent %d to %d:",
seg->le, seg->le + seg->len - 1);
if (seg->stripes == 1)
_display_stripe(seg, 0, " ");
else {
log_print(" stripes\t\t%d", seg->stripes);
log_print(" stripe size\t\t%d", seg->stripe_size);
for (s = 0; s < seg->stripes; s++) {
log_print(" stripe %d:", s);
_display_stripe(seg, s, " ");
}
}
log_print(" ");
}
log_print(" ");
return 1;
}
void vgdisplay_extents(struct volume_group *vg)
{
return;

2
lib/display/display.h
View File

@ -36,7 +36,7 @@ void pvdisplay_full(struct physical_volume *pv);
int pvdisplay_short(struct volume_group *vg, struct physical_volume *pv);
void lvdisplay_colons(struct logical_volume *lv);
void lvdisplay_extents(struct logical_volume *lv);
int lvdisplay_segments(struct logical_volume *lv);
int lvdisplay_full(struct logical_volume *lv);
void vgdisplay_extents(struct volume_group *vg);

2
tools/lvdisplay.c
View File

@ -39,7 +39,7 @@ int lvdisplay_single(struct logical_volume *lv)
else {
lvdisplay_full(lv);
if (arg_count(maps_ARG))
lvdisplay_extents(lv);
lvdisplay_segments(lv);
}
return 0;