On Tue, Oct 29, 2019 at 01:41:37PM -0700, Eric Biggers wrote: > This patchset exposes the verity bit (a.k.a. FS_VERITY_FL) via statx(). > > This is useful because it allows applications to check whether a file is > a verity file without opening it. Opening a verity file can be > expensive because the fsverity_info is set up on open, which involves > parsing metadata and optionally verifying a cryptographic signature. > > This is analogous to how various other bits are exposed through both > FS_IOC_GETFLAGS and statx(), e.g. the encrypt bit. > > This patchset applies to v5.4-rc5. > > Eric Biggers (4): > statx: define STATX_ATTR_VERITY > ext4: support STATX_ATTR_VERITY > f2fs: support STATX_ATTR_VERITY > docs: fs-verity: mention statx() support > > Documentation/filesystems/fsverity.rst | 8 ++++++++ > fs/ext4/inode.c | 5 ++++- > fs/f2fs/file.c | 5 ++++- > include/linux/stat.h | 3 ++- > include/uapi/linux/stat.h | 2 +- > 5 files changed, 19 insertions(+), 4 deletions(-) > Any more comments on this? - Eric
