From: YueHaibing <yuehaib...@huawei.com>
If CONFIG_BTRFS_FS is y and CONFIG_LIBCRC32C is m,
building fails:
fs/btrfs/super.o: In function `btrfs_mount_root':
super.c:(.text+0xb7f9): undefined reference to `crc32c_impl'
fs/btrfs/super.o: In function `init_btrfs_fs':
super.c:(.init.text+0x3465): undefined reference to `crc32c_impl'
fs/btrfs/extent-tree.o: In function `hash_extent_data_ref':
extent-tree.c:(.text+0xe60): undefined reference to `crc32c'
extent-tree.c:(.text+0xe78): undefined reference to `crc32c'
extent-tree.c:(.text+0xe8b): undefined reference to `crc32c'
fs/btrfs/dir-item.o: In function `btrfs_insert_xattr_item':
dir-item.c:(.text+0x291): undefined reference to `crc32c'
fs/btrfs/dir-item.o: In function `btrfs_insert_dir_item':
dir-item.c:(.text+0x429): undefined reference to `crc32c'
Select LIBCRC32C to fix it.
Reported-by: Hulk Robot <hul...@huawei.com>
Fixes: d5178578bcd4 ("btrfs: directly call into crypto framework for
checksumming")
Reviewed-by: Johannes Thumshirn <jthumsh...@suse.de>
Signed-off-by: YueHaibing <yuehaib...@huawei.com>
Reviewed-by: David Sterba <dste...@suse.com>
Signed-off-by: David Sterba <dste...@suse.com>
commit 314c4cd6d9e60b9412dcd1b1783a66532f91ea2d upstream
Signed-off-by: He Zhe <zhe...@windriver.com>
---
fs/btrfs/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig
index 212b4a8..38651fa 100644
--- a/fs/btrfs/Kconfig
+++ b/fs/btrfs/Kconfig
@@ -4,6 +4,7 @@ config BTRFS_FS
tristate "Btrfs filesystem support"
select CRYPTO
select CRYPTO_CRC32C
+ select LIBCRC32C
select ZLIB_INFLATE
select ZLIB_DEFLATE
select LZO_COMPRESS
--
2.7.4
--
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