diff options
| author |   David Sterba <dsterba@suse.com> | 2019-10-07 11:11:02 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-11-18 17:51:44 +0100 |
| commit | 352ae07b599a03b08a2149d9c2ff9c3479591af2 (patch) | |
| tree | 6c481cb7acde45b78c7a8ce83f67c8a2f6f6c8fe | |
| parent | btrfs: add member for a specific checksum driver (diff) | |
| download | linux-dev-352ae07b599a03b08a2149d9c2ff9c3479591af2.tar.xz linux-dev-352ae07b599a03b08a2149d9c2ff9c3479591af2.zip | |
btrfs: add blake2b to checksumming algorithms
Add blake2b (with 256 bit digest) to the list of possible checksumming
algorithms used by BTRFS.
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/ctree.c | 2 | ||||
| -rw-r--r-- | fs/btrfs/disk-io.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 1 | ||||
| -rw-r--r-- | include/uapi/linux/btrfs_tree.h | 1 |
4 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index c211216b4524..5b6e86aaf2e1 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -37,6 +37,8 @@ static const struct btrfs_csums { [BTRFS_CSUM_TYPE_CRC32] = { .size = 4, .name = "crc32c" }, [BTRFS_CSUM_TYPE_XXHASH] = { .size = 8, .name = "xxhash64" }, [BTRFS_CSUM_TYPE_SHA256] = { .size = 32, .name = "sha256" }, + [BTRFS_CSUM_TYPE_BLAKE2] = { .size = 32, .name = "blake2b", + .driver = "blake2b-256" }, }; int btrfs_super_csum_size(const struct btrfs_super_block *s) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 948ed5ac0794..7c345c4bc817 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -354,6 +354,7 @@ static bool btrfs_supported_super_csum(u16 csum_type) case BTRFS_CSUM_TYPE_CRC32: case BTRFS_CSUM_TYPE_XXHASH: case BTRFS_CSUM_TYPE_SHA256: + case BTRFS_CSUM_TYPE_BLAKE2: return true; default: return false; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 36440336c08b..792bb0bc9a0b 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2464,3 +2464,4 @@ MODULE_LICENSE("GPL"); MODULE_SOFTDEP("pre: crc32c"); MODULE_SOFTDEP("pre: xxhash64"); MODULE_SOFTDEP("pre: sha256"); +MODULE_SOFTDEP("pre: blake2b-256"); diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h index e2823c9b2061..5160be1d7332 100644 --- a/include/uapi/linux/btrfs_tree.h +++ b/include/uapi/linux/btrfs_tree.h @@ -304,6 +304,7 @@ enum btrfs_csum_type { BTRFS_CSUM_TYPE_CRC32 = 0, BTRFS_CSUM_TYPE_XXHASH = 1, BTRFS_CSUM_TYPE_SHA256 = 2, + BTRFS_CSUM_TYPE_BLAKE2 = 3, }; /* |