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{ "id": 816585, "url": "http://patchwork.ozlabs.org/api/covers/816585/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/cover/20170920224605.22030-1-ebiggers3@gmail.com/", "project": { "id": 3, "url": "http://patchwork.ozlabs.org/api/projects/3/?format=api", "name": "Linux MTD development", "link_name": "linux-mtd", "list_id": "linux-mtd.lists.infradead.org", "list_email": "linux-mtd@lists.infradead.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170920224605.22030-1-ebiggers3@gmail.com>", "list_archive_url": null, "date": "2017-09-20T22:45:40", "name": "[00/25] fscrypt: add some higher-level helper functions", "submitter": { "id": 65202, "url": "http://patchwork.ozlabs.org/api/people/65202/?format=api", "name": "Eric Biggers", "email": "ebiggers3@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/linux-mtd/cover/20170920224605.22030-1-ebiggers3@gmail.com/mbox/", "series": [ { "id": 4250, "url": "http://patchwork.ozlabs.org/api/series/4250/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/list/?series=4250", "date": "2017-09-20T22:45:45", "name": "fscrypt: add some higher-level helper functions", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/4250/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/816585/comments/", "headers": { "Return-Path": "<linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org; 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Ts'o\" <tytso@mit.edu>, Eric Biggers <ebiggers@google.com>, \n\tMichael Halcrow <mhalcrow@google.com>,\n\tlinux-f2fs-devel@lists.sourceforge.net, \n\tlinux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org,\n\tJaegeuk Kim <jaegeuk@kernel.org>, linux-ext4@vger.kernel.org", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-mtd\" <linux-mtd-bounces@lists.infradead.org>", "Errors-To": "linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "From: Eric Biggers <ebiggers@google.com>\n\nThis series reduces code duplication among ext4, f2fs, and ubifs by\nintroducing a S_ENCRYPTED inode flag (so we don't have to call back into\nthe filesystem to test the filesystem-specific inode flag), then\nintroducing new helper functions that are called at the beginning of the\nopen, link, rename, lookup, and setattr operations.\n\nIn the future we maybe should even call these new helpers from the VFS\nso that each individual filesystem doesn't have to do it. But that's\nnot possible currently because fs/crypto/ can be built as a module.\n\nMaking changes like this is a bit challenging due to interdependencies\nbetween fscrypt and the individual filesystems, all of which have\ndifferent maintainers. For now my intent is that patches 1-10 be taken\nthrough the fscrypt tree --- though it's not perfect since patches 1-4\ndo make some changes to each filesystem, as everyone must set\nS_ENCRYPTED before we can use it everywhere in the shared code. But\nafterwards, patches 11-25 can be picked up by the individual filesystems\nto switch to the new helpers.\n\nEric Biggers (25):\n fs, fscrypt: add an S_ENCRYPTED inode flag\n fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED()\n fscrypt: remove ->is_encrypted()\n fscrypt: remove unneeded empty fscrypt_operations structs\n fscrypt: new helper function - fscrypt_require_key()\n fscrypt: new helper function - fscrypt_file_open()\n fscrypt: new helper function - fscrypt_prepare_link()\n fscrypt: new helper function - fscrypt_prepare_rename()\n fscrypt: new helper function - fscrypt_prepare_lookup()\n fscrypt: new helper function - fscrypt_prepare_setattr()\n ext4: switch to fscrypt_file_open()\n ext4: switch to fscrypt_prepare_link()\n ext4: switch to fscrypt_prepare_rename()\n ext4: switch to fscrypt_prepare_lookup()\n ext4: switch to fscrypt_prepare_setattr()\n f2fs: switch to fscrypt_file_open()\n f2fs: switch to fscrypt_prepare_link()\n f2fs: switch to fscrypt_prepare_rename()\n f2fs: switch to fscrypt_prepare_lookup()\n f2fs: switch to fscrypt_prepare_setattr()\n ubifs: switch to fscrypt_file_open()\n ubifs: switch to fscrypt_prepare_link()\n ubifs: switch to fscrypt_prepare_rename()\n ubifs: switch to fscrypt_prepare_lookup()\n ubifs: switch to fscrypt_prepare_setattr()\n\n fs/crypto/Makefile | 2 +-\n fs/crypto/crypto.c | 2 +-\n fs/crypto/fname.c | 3 +-\n fs/crypto/hooks.c | 112 +++++++++++++++++++++++++++++\n fs/crypto/keyinfo.c | 2 +-\n fs/crypto/policy.c | 6 +-\n fs/ext4/file.c | 23 ++----\n fs/ext4/inode.c | 19 +++--\n fs/ext4/namei.c | 62 +++++-----------\n fs/ext4/super.c | 15 ++--\n fs/f2fs/f2fs.h | 1 +\n fs/f2fs/file.c | 30 ++------\n fs/f2fs/inode.c | 5 +-\n fs/f2fs/namei.c | 54 ++++----------\n fs/f2fs/super.c | 7 +-\n fs/ubifs/crypto.c | 1 -\n fs/ubifs/dir.c | 43 ++++-------\n fs/ubifs/file.c | 41 ++---------\n fs/ubifs/ioctl.c | 5 +-\n fs/ubifs/super.c | 8 +--\n fs/ubifs/ubifs.h | 9 +--\n fs/ubifs/xattr.c | 1 +\n include/linux/fs.h | 2 +\n include/linux/fscrypt_common.h | 1 -\n include/linux/fscrypt_notsupp.h | 54 +++++++++++++-\n include/linux/fscrypt_supp.h | 153 ++++++++++++++++++++++++++++++++++++++++\n 26 files changed, 418 insertions(+), 243 deletions(-)\n create mode 100644 fs/crypto/hooks.c" }