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Do not create excessively large headers.

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When creating LUKS2 header with specified --offset much larger
then LUKS2 header size we needlessly also wipe (allocate up to
--offset) much larger file than needed.
This commit is contained in:
Ondrej Kozina
2020-06-16 12:21:29 +02:00
committed by Milan Broz
parent 544129d240
commit d177af8842
4 changed files with 10 additions and 4 deletions
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2
lib/luks2/luks2.h
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@@ -523,7 +523,7 @@ int LUKS2_check_metadata_area_size(uint64_t metadata_size);
int LUKS2_check_keyslots_area_size(uint64_t keyslots_size);
int LUKS2_wipe_header_areas(struct crypt_device *cd,
struct luks2_hdr *hdr);
struct luks2_hdr *hdr, bool detached_header);
uint64_t LUKS2_get_data_offset(struct luks2_hdr *hdr);
int LUKS2_get_data_size(struct luks2_hdr *hdr, uint64_t *size, bool *dynamic);