Document that the statx() system call can now be used to check whether a file is a verity file. Signed-off-by: Eric Biggers <ebiggers@google.com>
I had meant to replace these TODOs with the actual version when applying the patches, but forgot to do so. Do it now. Signed-off-by: Eric Biggers <ebiggers@google.com>
Add a documentation file for fs-verity, covering: - Introduction - Use cases - User API - FS_IOC_ENABLE_VERITY - FS_IOC_MEASURE_VERITY - FS_IOC_GETFLAGS - Accessing verity files - File measurement computation - Merkle tree - fs-verity descriptor - Built-in signature verification - Filesystem support - ext4 - f2fs - Implementation details - Verifying data - Pagecache - Block device based filesystems - Userspace utility - Tests - FAQ Reviewed-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Eric Biggers <ebiggers@google.com>