Btrfs: Documentation update
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/INSTALL b/fs/btrfs/INSTALL
index e83ff6e..16b45a5 100644
--- a/fs/btrfs/INSTALL
+++ b/fs/btrfs/INSTALL
@@ -5,19 +5,16 @@
operations do not work on it. The default subvolume is called 'default',
and you can create files and directories in mount_point/default
-Btrfs uses the crypto manager interface in the kernel for file and
-metadata checksums. You need to compile the kernel with:
+Btrfs uses libcrc32c in the kernel for file and metadata checksums. You need
+to compile the kernel with:
-CONFIG_CRYPTO=y
-CONFIG_CRYPTO_MANAGER=m
-CONFIG_CRYPTO_CRC32C=m
+CONFIG_LIBCRC32C=m
-cryptomanager and crc32c can be static as well. Once your kernel is
-setup, typing make in the btrfs module sources will build against the
-running kernel. When the build is complete:
+libcrc32c can be static as well. Once your kernel is setup, typing make in the
+btrfs module sources will build against the running kernel. When the build is
+complete:
-modprobe crc32c
-modprobe cryptomgr
+modprobe libcrc32c
insmod btrfs.ko
The Btrfs utility programs require libuuid to build. This can be found