openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
932,776 Commits 18 Branches 27 Tags 3.4 GiB
Commit Graph

3 Commits

Author SHA1 Message Date
Eric Biggers 73f0ec02d6 docs: fs-verity: mention statx() support 
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>
 2019-11-13 12:15:34 -08:00
Eric Biggers c0d782a3cc docs: fs-verity: document first supported kernel version 
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>
 2019-11-13 12:15:34 -08:00
Eric Biggers 6ff2deb2e8 fs-verity: add a documentation file 
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>
 2019-07-28 16:59:15 -07:00