diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2024-11-18 16:15:20 +0100 |
|---|---|---|
| committer | Mikulas Patocka <mpatocka@redhat.com> | 2024-11-20 11:44:44 +0100 |
| commit | a573e404cbf269d46b3a96b18f7316aa57161fdf (patch) | |
| tree | 71e43682bd825527040378ba6fd40077125c48bd /drivers/md | |
| parent | 61a57254a942705ca0a13d71a0b8387b299a65da (diff) | |
dm-verity: remove the unused "data_start" variable
Remove the unused "data_start" variable. It is always set to zero and the
user can't override it. If the user needs to use some existing offset
within a block device, it is possible to use the linear target.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-verity-target.c | 6 | ||||
| -rw-r--r-- | drivers/md/dm-verity.h | 1 |
2 files changed, 3 insertions, 4 deletions
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c index c142ec5458b7..47d595f6a76e 100644 --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -93,7 +93,7 @@ static void dm_bufio_alloc_callback(struct dm_buffer *buf) */ static sector_t verity_map_sector(struct dm_verity *v, sector_t bi_sector) { - return v->data_start + dm_target_offset(v->ti, bi_sector); + return dm_target_offset(v->ti, bi_sector); } /* @@ -952,7 +952,7 @@ static int verity_prepare_ioctl(struct dm_target *ti, struct block_device **bdev *bdev = v->data_dev->bdev; - if (v->data_start || ti->len != bdev_nr_sectors(v->data_dev->bdev)) + if (ti->len != bdev_nr_sectors(v->data_dev->bdev)) return 1; return 0; } @@ -962,7 +962,7 @@ static int verity_iterate_devices(struct dm_target *ti, { struct dm_verity *v = ti->private; - return fn(ti, v->data_dev, v->data_start, ti->len, data); + return fn(ti, v->data_dev, 0, ti->len, data); } static void verity_io_hints(struct dm_target *ti, struct queue_limits *limits) diff --git a/drivers/md/dm-verity.h b/drivers/md/dm-verity.h index c996140bda94..8cbb57862ae1 100644 --- a/drivers/md/dm-verity.h +++ b/drivers/md/dm-verity.h @@ -50,7 +50,6 @@ struct dm_verity { unsigned int sig_size; /* root digest signature size */ #endif /* CONFIG_SECURITY */ unsigned int salt_size; - sector_t data_start; /* data offset in 512-byte sectors */ sector_t hash_start; /* hash start in blocks */ sector_t data_blocks; /* the number of data blocks */ sector_t hash_blocks; /* the number of hash blocks */ |