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[v2,10/36] btrfs: disable verity on encrypted inodes

Message ID f61fb12657e5b29a27c73dc3b5bd175aaf4269ee.1696970227.git.josef@toxicpanda.com (mailing list archive)
State Superseded
Headers show
Series btrfs: add fscrypt support | expand

Commit Message

Josef Bacik Oct. 10, 2023, 8:40 p.m. UTC 
From: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>

Right now there isn't a way to encrypt things that aren't either
filenames in directories or data on blocks on disk with extent
encryption, so for now, disable verity usage with encryption on btrfs.

Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 fs/btrfs/verity.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/fs/btrfs/verity.c b/fs/btrfs/verity.c
index 66e2270b0dae..92536913df04 100644
--- a/fs/btrfs/verity.c
+++ b/fs/btrfs/verity.c
@@ -588,6 +588,9 @@  static int btrfs_begin_enable_verity(struct file *filp)
 
 	ASSERT(inode_is_locked(file_inode(filp)));
 
+	if (IS_ENCRYPTED(&inode->vfs_inode))
+		return -EINVAL;
+
 	if (test_bit(BTRFS_INODE_VERITY_IN_PROGRESS, &inode->runtime_flags))
 		return -EBUSY;