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| author | Zdenek Kabelac <zkabelac@redhat.com> | 2020-07-08 10:38:36 +0200 |
|---|---|---|
| committer | Zdenek Kabelac <zkabelac@redhat.com> | 2020-07-08 11:12:54 +0200 |
| commit | fe78cd4082cb9af10580180d61898fcef93dc624 (patch) | |
| tree | d0662cacee57cdc6f0ae17e3477847d011c9244f | |
| parent | 40266faaab07f5578d137f9e400fbc9190edabcd (diff) | |
| download | lvm2-fe78cd4082cb9af10580180d61898fcef93dc624.tar.gz | |
wipe_lv: always zero at least 4K
When zero_sectors passed value like 1 - we could zero only 1 sector.
Reinstantiate we always zero at least 4K block.
| -rw-r--r-- | lib/metadata/lv_manip.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/metadata/lv_manip.c b/lib/metadata/lv_manip.c index d96137aff..5956d032c 100644 --- a/lib/metadata/lv_manip.c +++ b/lib/metadata/lv_manip.c @@ -7642,7 +7642,9 @@ int wipe_lv(struct logical_volume *lv, struct wipe_params wp) if (wp.is_metadata) /* Verbosely notify metadata will not be fully zeroed */ log_verbose("Metadata logical volume %s not fully zeroed and may contain stale data.", display_lvname(lv)); - zero_sectors = wp.zero_sectors ? : UINT64_C(4096) >> SECTOR_SHIFT; + zero_sectors = UINT64_C(4096) >> SECTOR_SHIFT; + if (wp.zero_sectors > zero_sectors) + zero_sectors = wp.zero_sectors; if (zero_sectors > lv->size) zero_sectors = lv->size; |