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btrfs: add back libcrc32c Kconfig dependency

PATCH In review Arnd Bergmann 2 participants 2 messages Jul 8, 2019 Btrfs file system

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PATCH 1/1 btrfs: add back libcrc32c Kconfig dependency

While part of btrfs now uses the crypto shash interfaces for crc32c, we still get a build time dependency in other places:

fs/btrfs/super.o: In function `btrfs_mount_root':
super.c:(.text+0xc0d4): undefined reference to `crc32c_impl'
fs/btrfs/super.o: In function `btrfs_print_mod_info':
super.c:(.init.text+0x3e28): undefined reference to crc32c_impl' fs/btrfs/extent-tree.o: In function lookup_inline_extent_backref':
extent-tree.c:(.text+0x17750): undefined reference to crc32c' fs/btrfs/extent-tree.o:extent-tree.c:(.text+0x177f4): more undefined references to crc32c' follow

Change Kconfig to depend on both.

Fixes d5178578bcd4 ("btrfs: directly call into crypto framework for checksumming")
---
 fs/btrfs/Kconfig | 1 +
 1 file changed, 1 insertion(+)
fs/btrfs/Kconfig +1 -0
index 2521a24f74be..aa7453d44e59 100644
@@ -3,6 +3,7 @@
 config BTRFS_FS
 	tristate "Btrfs filesystem support"
 	select CRYPTO
+	select LIBCRC32C
 	select CRYPTO_CRC32C
 	select CRYPTO_SHA256
 	select ZLIB_INFLATE
Signature · 1 line
2.20.0