Dale,
thanks for offering your patches.
Was away second half of last week and will have a look at them today.
Regards,
Heinz -- The LVM Guy --
On Wed, May 01, 2002 at 12:34:34PM -0700, Stephenson, Dale wrote:
> This patch doesn't attempt to solve any bugs. I just wanted to get more
> useful information about snapshots from /proc -- little things like the
> snapshots' actual size, what volume is its source, and how much of its space
> it has used. Yes, all this information is available from /sbin/lvdisplay
> (except for the *real* allocated LE, which you have to figure by hand). But
> I like using /proc.
>
> I put the extra (conditional) lines before the "device:" line because the
> optional stripesize line was already there.
>
> I'd like to fit the snapshot/snapshot-source bit into the status bits in
> /proc/lvm/global too, but I haven't done it yet.
>
> Dale J. Stephenson
> steph@snapserver.com
>
> --- linux/drivers/md/lvm-fs.c.orig Mon Apr 22 12:14:59 2002
> +++ linux/drivers/md/lvm-fs.c Mon Apr 22 13:44:03 2002
> @@ -285,6 +285,26 @@
> sz += sprintf(page + sz, "stripesize: %u\n",
> lv->lv_stripesize);
> }
> + if (lv->lv_access & LV_SNAPSHOT) {
> + sz += sprintf(page + sz, "remap total: %u\n",
> + lv->lv_remap_end * lv->lv_chunk_size / 2);
> + sz += sprintf(page + sz, "remap used: %u\n",
> + lv->lv_remap_ptr * lv->lv_chunk_size / 2);
> + sz += sprintf(page + sz, "snapshot LE: %u\n",
> + lv->lv_allocated_snapshot_le);
> + if (lv->lv_snapshot_org != NULL) {
> + sz += sprintf(page + sz, "source: %s\n",
> + lv->lv_snapshot_org->lv_name);
> + }
> + }
> + if (lv->lv_access & LV_SNAPSHOT_ORG) {
> + lv_t *lvp = lv->lv_snapshot_next;
> + while (lvp != NULL) {
> + sz += sprintf(page + sz, "source of: %s\n",
> + lvp->lv_name);
> + lvp = lvp->lv_snapshot_next;
> + }
> + }
> sz += sprintf(page + sz, "device: %02u:%02u\n",
> MAJOR(lv->lv_dev), MINOR(lv->lv_dev));
>
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Heinz Mauelshagen Sistina Software Inc.
Senior Consultant/Developer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen@Sistina.com +49 2626 141200
FAX 924446
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