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Date: Wed, 17 Jun 2020 07:57:28 +0000 From: Satya Tangirala <satyat@...gle.com> To: linux-fscrypt@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org Cc: Satya Tangirala <satyat@...gle.com> Subject: [PATCH 0/4] Inline Encryption Support for fscrypt This patch series adds support for Inline Encryption to fscrypt, f2fs and ext4. It builds on the inline encryption support now present in the block layer, and has been rebased on v5.8-rc1. Patch 1 introduces the SB_INLINECRYPT sb options, which filesystems should set if they want to use blk-crypto for file content en/decryption. Patch 2 adds inline encryption support to fscrypt. To use inline encryption with fscrypt, the filesystem must set the above mentioned SB_INLINECRYPT sb option. When this option is set, the contents of encrypted files will be en/decrypted using blk-crypto. Patches 3 and 4 wire up f2fs and ext4 respectively to fscrypt support for inline encryption, and e.g ensure that bios are submitted with blocks that not only are contiguous, but also have contiguous DUNs. Eric Biggers (1): ext4: add inline encryption support Satya Tangirala (3): fs: introduce SB_INLINECRYPT fscrypt: add inline encryption support f2fs: add inline encryption support Documentation/admin-guide/ext4.rst | 6 + Documentation/filesystems/f2fs.rst | 7 +- fs/buffer.c | 7 +- fs/crypto/Kconfig | 6 + fs/crypto/Makefile | 1 + fs/crypto/bio.c | 50 +++++ fs/crypto/crypto.c | 2 +- fs/crypto/fname.c | 4 +- fs/crypto/fscrypt_private.h | 118 +++++++++- fs/crypto/inline_crypt.c | 349 +++++++++++++++++++++++++++++ fs/crypto/keyring.c | 6 +- fs/crypto/keysetup.c | 68 ++++-- fs/crypto/keysetup_v1.c | 16 +- fs/ext4/inode.c | 4 +- fs/ext4/page-io.c | 6 +- fs/ext4/readpage.c | 11 +- fs/ext4/super.c | 9 + fs/f2fs/compress.c | 2 +- fs/f2fs/data.c | 81 +++++-- fs/f2fs/super.c | 32 +++ fs/proc_namespace.c | 1 + include/linux/fs.h | 1 + include/linux/fscrypt.h | 82 +++++++ 23 files changed, 794 insertions(+), 75 deletions(-) create mode 100644 fs/crypto/inline_crypt.c -- 2.27.0.290.gba653c62da-goog
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