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From: Johannes Thumshirn <jthumshirn@suse.de>
To: David Sterba <dsterba@suse.com>
Cc: Linux BTRFS Mailinglist <linux-btrfs@vger.kernel.org>,
	Johannes Thumshirn <jthumshirn@suse.de>
Subject: [RFC PATCH 3/4] btrfs: use xxhash64 for checksumming
Date: Thu, 25 Jul 2019 11:33:50 +0200	[thread overview]
Message-ID: <4ac3332af1fa5ba7ecb92181329151382b800f3d.1564046812.git.jthumshirn@suse.de> (raw)
In-Reply-To: <cover.1564046812.git.jthumshirn@suse.de>
In-Reply-To: <cover.1564046812.git.jthumshirn@suse.de>

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 fs/btrfs/Kconfig                | 1 +
 fs/btrfs/ctree.h                | 1 +
 fs/btrfs/disk-io.c              | 1 +
 fs/btrfs/super.c                | 1 +
 include/uapi/linux/btrfs_tree.h | 1 +
 5 files changed, 5 insertions(+)

diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig
index 38651fae7f21..6d5a01c57da3 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.h b/fs/btrfs/ctree.h
index 099401f5dd47..b34f22e55304 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -90,6 +90,7 @@ static const struct btrfs_csums {
 	const char	*name;
 } btrfs_csums[] = {
 	BTRFS_CHECKSUM_TYPE(BTRFS_CSUM_TYPE_CRC32, 4, "crc32c"),
+	BTRFS_CHECKSUM_TYPE(BTRFS_CSUM_TYPE_XXHASH, 8, "xxhash64"),
 };
 
 #define BTRFS_EMPTY_DIR_SIZE 0
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 5f7ee70b3d1a..54a8ef489850 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -351,6 +351,7 @@ 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 78de9d5d80c6..7312f675d702 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2464,3 +2464,4 @@ 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 babef98181a2..af4f5dec10b7 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,
 };
 
 /*
-- 
2.16.4


  parent reply	other threads:[~2019-07-25  9:34 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-25  9:33 [RFC PATCH 0/4] Support xxhash64 checksums Johannes Thumshirn
2019-07-25  9:33 ` [RFC PATCH 1/4] btrfs: turn checksum type define into a union Johannes Thumshirn
2019-07-25 11:08   ` Mike Fleetwood
2019-07-25 11:21     ` Johannes Thumshirn
2019-07-25  9:33 ` [RFC PATCH 2/4] btrfs: create structure to encode checksum type and length Johannes Thumshirn
2019-07-26  3:09   ` Su Yue
2019-07-30 17:25   ` David Sterba
2019-08-12  9:07   ` Nikolay Borisov
2019-08-19  9:15     ` Johannes Thumshirn
2019-07-25  9:33 ` Johannes Thumshirn [this message]
2019-07-25 12:02   ` [RFC PATCH 3/4] btrfs: use xxhash64 for checksumming Qu Wenruo
2019-07-25 14:18     ` Johannes Thumshirn
2019-07-26 13:45       ` David Sterba
2019-07-25  9:33 ` [RFC PATCH 4/4] btrfs: sysfs: export supported checksums Johannes Thumshirn
2019-07-30 17:19   ` David Sterba
2019-07-31  8:06     ` Johannes Thumshirn
2019-08-07 14:10     ` Johannes Thumshirn
2019-08-21 16:19       ` David Sterba
2019-08-12  9:19   ` Nikolay Borisov
2019-08-19  9:15     ` Johannes Thumshirn
2019-07-25  9:33 ` [RFC PATCH 05/17] btrfs-progs: add option for checksum type to mkfs Johannes Thumshirn
2019-07-30 17:36   ` David Sterba
2019-08-12  9:30   ` Nikolay Borisov
2019-07-25  9:33 ` [RFC PATCH 06/17] btrfs-progs: don't blindly assume crc32c in csum_tree_block_size() Johannes Thumshirn
2019-08-12  9:49   ` Nikolay Borisov
2019-07-25  9:33 ` [RFC PATCH 07/17] btrfs-progs: use btrfs_csum_data() in __csum_tree_block_size() Johannes Thumshirn
2019-07-30 17:37   ` David Sterba
2019-07-25  9:33 ` [RFC PATCH 08/17] btrfs-progs: cache csum_type in recover_control Johannes Thumshirn
2019-08-12  9:52   ` Nikolay Borisov
2019-07-25  9:33 ` [RFC PATCH 09/17] progs: pass in a btrfs_mkfs_config to write_temp_extent_buffer Johannes Thumshirn
2019-07-30 17:38   ` David Sterba
2019-08-12  9:56   ` Nikolay Borisov
2019-07-25  9:33 ` [RFC PATCH 10/17] btrfs-progs: add checksum type to checksumming functions Johannes Thumshirn
2019-08-12 10:21   ` Nikolay Borisov
2019-08-26  9:34     ` Johannes Thumshirn
2019-07-25  9:33 ` [RFC PATCH 11/17] btrfs-progs: don't assume checksums are always 4 bytes Johannes Thumshirn
2019-07-25  9:33 ` [RFC PATCH 12/17] btrfs-progs: pass checksum type to btrfs_csum_data() Johannes Thumshirn
2019-08-12 10:51   ` Nikolay Borisov
2019-08-20  9:12     ` Johannes Thumshirn
2019-07-25  9:34 ` [RFC PATCH 13/17] " Johannes Thumshirn
2019-07-25  9:34 ` [RFC PATCH 14/17] btrfs-progs: simplify update_block_csum() in btrfs-sb-mod.c Johannes Thumshirn
2019-08-12 10:53   ` Nikolay Borisov
2019-07-25  9:34 ` [RFC PATCH 15/17] btrfs-progs: update checksumming api Johannes Thumshirn
2019-07-25  9:34 ` [RFC PATCH 16/17] btrfs-progs: add xxhash sources Johannes Thumshirn
2019-07-25  9:34 ` [RFC PATCH 17/17] btrfs-progs: add xxhash64 as checksum algorithm Johannes Thumshirn

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