From 8da572c52a9be6d006bae290339c629fc6501910 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Thu, 9 Jun 2022 17:06:16 -0700 Subject: fs-verity: mention btrfs support btrfs supports fs-verity since Linux v5.15. Document this. Signed-off-by: Eric Biggers Acked-by: David Sterba Link: https://lore.kernel.org/r/20220610000616.18225-1-ebiggers@kernel.org --- fs/verity/Kconfig | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'fs/verity') diff --git a/fs/verity/Kconfig b/fs/verity/Kconfig index 54598cd80145..aad1f1d998b9 100644 --- a/fs/verity/Kconfig +++ b/fs/verity/Kconfig @@ -14,11 +14,11 @@ config FS_VERITY help This option enables fs-verity. fs-verity is the dm-verity mechanism implemented at the file level. On supported - filesystems (currently EXT4 and F2FS), userspace can use an - ioctl to enable verity for a file, which causes the filesystem - to build a Merkle tree for the file. The filesystem will then - transparently verify any data read from the file against the - Merkle tree. The file is also made read-only. + filesystems (currently ext4, f2fs, and btrfs), userspace can + use an ioctl to enable verity for a file, which causes the + filesystem to build a Merkle tree for the file. The filesystem + will then transparently verify any data read from the file + against the Merkle tree. The file is also made read-only. This serves as an integrity check, but the availability of the Merkle tree root hash also allows efficiently supporting -- cgit v1.2.3