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| author | Johannes Thumshirn <jthumshirn@suse.de> | 2019-10-07 11:11:02 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-11-18 17:51:43 +0100 |
| commit | 3831bf0094abed51e71cbeca8b6edf8b88c2644b (patch) | |
| tree | 4607986b0208662d1c7e7efe01da7273dd215921 /fs/btrfs | |
| parent | 3951e7f050ac6a38bbc859fc3cd6093890c31d1c (diff) | |
| download | linux-3831bf0094abed51e71cbeca8b6edf8b88c2644b.tar.gz linux-3831bf0094abed51e71cbeca8b6edf8b88c2644b.tar.bz2 linux-3831bf0094abed51e71cbeca8b6edf8b88c2644b.zip | |
btrfs: add sha256 to checksumming algorithm
Add sha256 to the list of possible checksumming algorithms used by BTRFS.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/Kconfig | 1 | ||||
| -rw-r--r-- | fs/btrfs/ctree.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/disk-io.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 1 |
4 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig index 6d5a01c57da3..75b6d10c9845 100644 --- a/fs/btrfs/Kconfig +++ b/fs/btrfs/Kconfig @@ -6,6 +6,7 @@ config BTRFS_FS select CRYPTO_CRC32C select LIBCRC32C select CRYPTO_XXHASH + select CRYPTO_SHA256 select ZLIB_INFLATE select ZLIB_DEFLATE select LZO_COMPRESS diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 7463c121791d..bd6ea433ed65 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -35,6 +35,7 @@ static const struct btrfs_csums { } 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" }, }; 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 82a2fa755b13..21fab336f8ca 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -353,6 +353,7 @@ static bool btrfs_supported_super_csum(u16 csum_type) switch (csum_type) { case BTRFS_CSUM_TYPE_CRC32: case BTRFS_CSUM_TYPE_XXHASH: + case BTRFS_CSUM_TYPE_SHA256: return true; default: return false; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index c91cdf123cd8..36440336c08b 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2463,3 +2463,4 @@ module_exit(exit_btrfs_fs) MODULE_LICENSE("GPL"); MODULE_SOFTDEP("pre: crc32c"); MODULE_SOFTDEP("pre: xxhash64"); +MODULE_SOFTDEP("pre: sha256"); |