diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig index 38651fae7f21aef15fd40f187d915144c9d3f952..6d5a01c57da30f52ee44c6e16130b659498e37f2 100644 --- a/fs/btrfs/Kconfig +++ b/fs/btrfs/Kconfig @@ -5,6 +5,7 @@ config BTRFS_FS select CRYPTO select CRYPTO_CRC32C select LIBCRC32C + select CRYPTO_XXHASH select ZLIB_INFLATE select ZLIB_DEFLATE select LZO_COMPRESS diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 7397579786863c1e4b4fdd0ffe9b374705f14108..7463c121791d1edca1880da48d2f7a2656d9ed22 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -34,6 +34,7 @@ static const struct btrfs_csums { const char *name; } btrfs_csums[] = { [BTRFS_CSUM_TYPE_CRC32] = { .size = 4, .name = "crc32c" }, + [BTRFS_CSUM_TYPE_XXHASH] = { .size = 8, .name = "xxhash64" }, }; 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 5d32deb429936cdb9e65481a612e514137546b38..82a2fa755b13d9ecea7ce630d2ce4747edde1fdc 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -352,6 +352,7 @@ static bool btrfs_supported_super_csum(u16 csum_type) { switch (csum_type) { case BTRFS_CSUM_TYPE_CRC32: + case BTRFS_CSUM_TYPE_XXHASH: return true; default: return false; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index d5d15a19f51d86b5fc2bd1086d305fba53a30b00..c91cdf123cd86b92348d15b0f91276ffc8208fa7 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2462,3 +2462,4 @@ module_exit(exit_btrfs_fs) MODULE_LICENSE("GPL"); MODULE_SOFTDEP("pre: crc32c"); +MODULE_SOFTDEP("pre: xxhash64"); diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h index 44136de2f5d7986e205fb52c9d73dd4887bfaa39..962312939a8f1599e620759a3a05c505840e4ce8 100644 --- a/include/uapi/linux/btrfs_tree.h +++ b/include/uapi/linux/btrfs_tree.h @@ -302,6 +302,7 @@ /* csum types */ enum btrfs_csum_type { BTRFS_CSUM_TYPE_CRC32 = 0, + BTRFS_CSUM_TYPE_XXHASH = 1, }; /*