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wipe_lv: always zero at least 4K

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When zero_sectors passed value like 1 - we could zero only 1 sector.
Reinstantiate we always zero at least 4K block.
This commit is contained in:
Zdenek Kabelac 2020-07-08 10:38:36 +02:00
parent 8ee2479dd0
commit 9c746f153e
1 changed files with 3 additions and 1 deletions
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4
lib/metadata/lv_manip.c
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@ -7248,7 +7248,9 @@ 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;