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Use 64bit math

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Prevent 32bit overflow and resulting weird error reports when working
with TB sizes..
This commit is contained in:
Zdenek Kabelac 2012-03-05 14:12:57 +00:00
parent 1518c7aac2
commit 20c40a0807
2 changed files with 3 additions and 2 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.95 -
================================
Use 64bit math for verification of thin pool and snapshot chunk size.
Validate udev structures in _insert_udev_dir().
Scan all devices for lvmetad if 'pvscan --cache' used without device list.
Populate lvmcache from lvmetad before displaying PVs in pvscan. (2.02.94)

4
lib/metadata/lv_manip.c
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@ -4239,12 +4239,12 @@ static struct logical_volume *_lv_create_an_lv(struct volume_group *vg, struct l
}
if (seg_is_thin_pool(lp) &&
(lp->extents * vg->extent_size < lp->chunk_size)) {
((uint64_t)lp->extents * vg->extent_size < lp->chunk_size)) {
log_error("Unable to create thin pool smaller than 1 chunk.");
return NULL;
}
if (lp->snapshot && !lp->thin && (lp->extents * vg->extent_size < 2 * lp->chunk_size)) {
if (lp->snapshot && !lp->thin && ((uint64_t)lp->extents * vg->extent_size < 2 * lp->chunk_size)) {
log_error("Unable to create a snapshot smaller than 2 chunks.");
return NULL;
}