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wiping: wipe DM_snapshot_cow signature without prompt in newly created LVs

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The libblkid can detect DM_snapshot_cow signature and when creating
new LVs with blkid wiping used (allocation/use_blkid_wiping=1 lvm.conf
setting and --wipe y used at the same time - which it is by default).

Do not issue any prompts about this signature when new LV is created
and just wipe it right away without asking questions. Still keep the
log in verbose mode though.
This commit is contained in:
Peter Rajnoha
2014-02-10 13:28:13 +01:00
parent 5635816094
commit ed166a3b1d
5 changed files with 44 additions and 18 deletions
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6
lib/device/dev-type.h
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@@ -60,8 +60,12 @@ int dev_is_swap(struct device *dev, uint64_t *signature);
int dev_is_luks(struct device *dev, uint64_t *signature);
/* Signature wiping. */
#define TYPE_LVM1_MEMBER 0x001
#define TYPE_LVM2_MEMBER 0x002
#define TYPE_DM_SNAPSHOT_COW 0x004
int wipe_known_signatures(struct cmd_context *cmd, struct device *dev, const char *name,
int exclude_lvm_member, int yes, force_t force);
uint32_t types_to_exclude, uint32_t types_no_prompt,
int yes, force_t force);
/* Type-specific device properties */
unsigned long dev_md_stripe_width(struct dev_types *dt, struct device *dev);