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dm-integrity: rename internal_hash

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Rename "internal_hash" to "internal_shash" and introduce a boolean value
"internal_hash".

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
This commit is contained in:
Mikulas Patocka 2025-09-17 17:51:36 +02:00
parent e3de0a3640
commit e8a052ee1f
1 changed files with 11 additions and 8 deletions
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19
drivers/md/dm-integrity.c
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@ -219,10 +219,11 @@ struct dm_integrity_c {
__u8 log2_blocks_per_bitmap_bit;
unsigned char mode;
bool internal_hash;
int failed;
struct crypto_shash *internal_hash;
struct crypto_shash *internal_shash;
unsigned int internal_hash_digestsize;
struct dm_target *ti;
@ -1639,11 +1640,11 @@ static void integrity_sector_checksum(struct dm_integrity_c *ic, sector_t sector
const char *data, unsigned offset, char *result)
{
__le64 sector_le = cpu_to_le64(sector);
SHASH_DESC_ON_STACK(req, ic->internal_hash);
SHASH_DESC_ON_STACK(req, ic->internal_shash);
int r;
unsigned int digest_size;
req->tfm = ic->internal_hash;
req->tfm = ic->internal_shash;
r = crypto_shash_init(req);
if (unlikely(r < 0)) {
@ -4708,12 +4709,14 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned int argc, char **argv
buffer_sectors = 1;
ic->log2_buffer_sectors = min((int)__fls(buffer_sectors), 31 - SECTOR_SHIFT);
r = get_mac(&ic->internal_hash, &ic->internal_hash_alg, &ti->error,
r = get_mac(&ic->internal_shash, &ic->internal_hash_alg, &ti->error,
"Invalid internal hash", "Error setting internal hash key");
if (r)
goto bad;
if (ic->internal_hash)
ic->internal_hash_digestsize = crypto_shash_digestsize(ic->internal_hash);
if (ic->internal_shash) {
ic->internal_hash = true;
ic->internal_hash_digestsize = crypto_shash_digestsize(ic->internal_shash);
}
r = get_mac(&ic->journal_mac, &ic->journal_mac_alg, &ti->error,
"Invalid journal mac", "Error setting journal mac key");
@ -5235,8 +5238,8 @@ static void dm_integrity_dtr(struct dm_target *ti)
if (ic->sb)
free_pages_exact(ic->sb, SB_SECTORS << SECTOR_SHIFT);
if (ic->internal_hash)
crypto_free_shash(ic->internal_hash);
if (ic->internal_shash)
crypto_free_shash(ic->internal_shash);
free_alg(&ic->internal_hash_alg);
if (ic->journal_crypt)