From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Biggers Subject: [PATCH 0/4] statx: expose the fs-verity bit Date: Tue, 29 Oct 2019 13:41:37 -0700 Message-ID: <20191029204141.145309-1-ebiggers@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-fscrypt@vger.kernel.org Cc: Theodore Ts'o , linux-api@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, David Howells , linux-fsdevel@vger.kernel.org, Jaegeuk Kim , linux-ext4@vger.kernel.org, Victor Hsieh List-Id: linux-api@vger.kernel.org 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(-) -- 2.24.0.rc1.363.gb1bccd3e3d-goog