Reading the contents with direct IO would circumvent verity checks, so fallback to buffered reads. For what it's worth, this is how ext4 handles it as well. Signed-off-by: Boris Burkov <boris@xxxxxx> --- fs/btrfs/file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index e8dcada0d239..9f8d90bbbe26 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -3613,6 +3613,9 @@ static ssize_t btrfs_direct_read(struct kiocb *iocb, struct iov_iter *to) struct inode *inode = file_inode(iocb->ki_filp); ssize_t ret; + if (fsverity_active(inode)) + return 0; + if (check_direct_read(btrfs_sb(inode->i_sb), to, iocb->ki_pos)) return 0; -- 2.30.2
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