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GET /api/1.1/patches/2225120/?format=api
{ "id": 2225120, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2225120/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260420114714.1621982-3-aalbersh@kernel.org/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/1.1/projects/8/?format=api", "name": "Linux ext4 filesystem development", "link_name": "linux-ext4", "list_id": "linux-ext4.vger.kernel.org", "list_email": "linux-ext4@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260420114714.1621982-3-aalbersh@kernel.org>", "date": "2026-04-20T11:46:49", "name": "[v8,02/22] fsverity: expose ensure_fsverity_info()", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "e0b2295fc6309aa72f431d4008ecf577e6cf3994", "submitter": { "id": 92821, "url": "http://patchwork.ozlabs.org/api/1.1/people/92821/?format=api", "name": "Andrey Albershteyn", "email": "aalbersh@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260420114714.1621982-3-aalbersh@kernel.org/mbox/", "series": [ { "id": 500600, "url": "http://patchwork.ozlabs.org/api/1.1/series/500600/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=500600", "date": "2026-04-20T11:46:51", "name": "fs-verity support for XFS with post EOF merkle tree", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/500600/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2225120/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2225120/checks/", "tags": {}, "headers": { "Return-Path": "\n <SRS0=WAAh=CT=vger.kernel.org=linux-ext4+bounces-15915-patchwork-incoming=ozlabs.org@ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-ext4@vger.kernel.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "patchwork-incoming@ozlabs.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=ZQtu/+/A;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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arc=none smtp.client-ip=10.30.226.201" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1776685661;\n\tbh=5N+dWqoeOYxeisPRy5znoys7rfHJB7cC5xNXENMMBQQ=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=ZQtu/+/AejGtcgdvO/yXm4thjRzxIAMK5jj4bgfLpzaKWlIpornw7FVenkndYmW1Y\n\t 97VxGxP7iGb5rEgZ3BbTjwYt5hYGD+j/N7QDI761pQ6M+imDwg1zlePqskEwIVS39c\n\t fp4xiuazyfyffCQvzswV0yq7KRg9BDWOvwBemqcCOr5WmHDDwQQqaqvC41qdH3/nuo\n\t pWs3ciDwyNuxLuY5S7kuy6fTlD3EQ+ezUYNYSmPIhNHIl3cZxxVf98GOgiQcVJIi13\n\t EojNzPxew0uE6WZSdX6b5/n6/ge/3+GVerH6gPDN+MG0xLQkssFG+ijzjxOjyXQA/U\n\t 4T4eFYQfvNvtQ==", "From": "Andrey Albershteyn <aalbersh@kernel.org>", "To": "linux-xfs@vger.kernel.org,\n\tfsverity@lists.linux.dev,\n\tlinux-fsdevel@vger.kernel.org,\n\tebiggers@kernel.org", "Cc": "Andrey Albershteyn <aalbersh@kernel.org>,\n\thch@lst.de,\n\tlinux-ext4@vger.kernel.org,\n\tlinux-f2fs-devel@lists.sourceforge.net,\n\tlinux-btrfs@vger.kernel.org,\n\tlinux-unionfs@vger.kernel.org,\n\tdjwong@kernel.org", "Subject": "[PATCH v8 02/22] fsverity: expose ensure_fsverity_info()", "Date": "Mon, 20 Apr 2026 13:46:49 +0200", "Message-ID": "<20260420114714.1621982-3-aalbersh@kernel.org>", "X-Mailer": "git-send-email 2.51.2", "In-Reply-To": "<20260420114714.1621982-1-aalbersh@kernel.org>", "References": "<20260420114714.1621982-1-aalbersh@kernel.org>", "Precedence": "bulk", "X-Mailing-List": "linux-ext4@vger.kernel.org", "List-Id": "<linux-ext4.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ext4+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ext4+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Spam-Status": "No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org" }, "content": "This function will be used by XFS's scrub to force fsverity activation,\ntherefore, to read fsverity context.\n\nReviewed-by: Darrick J. Wong <djwong@kernel.org>\nAcked-by: Eric Biggers <ebiggers@kernel.org>\nSigned-off-by: Andrey Albershteyn <aalbersh@kernel.org>\n---\n fs/verity/open.c | 22 ++++++++++++++++++++--\n include/linux/fsverity.h | 2 ++\n 2 files changed, 22 insertions(+), 2 deletions(-)", "diff": "diff --git a/fs/verity/open.c b/fs/verity/open.c\nindex dfa0d1afe0fe..d32d0899df25 100644\n--- a/fs/verity/open.c\n+++ b/fs/verity/open.c\n@@ -344,7 +344,24 @@ int fsverity_get_descriptor(struct inode *inode,\n \treturn 0;\n }\n \n-static int ensure_verity_info(struct inode *inode)\n+/**\n+ * fsverity_ensure_verity_info() - cache verity info if it's not already cached\n+ * @inode: the inode for which verity info should be cached\n+ *\n+ * Ensure this inode has verity info attached to it, it's assumed the inode\n+ * already has fsverity enabled. Read fsverity descriptor and creates verity\n+ * based on that.\n+ *\n+ * This needs to be called at least once before any of the inode's data\n+ * can be verified (and thus read at all) or the inode's fsverity digest\n+ * retrieved. fsverity_file_open() calls this already, which handles\n+ * normal file accesses. If a filesystem does any internal (i.e. not\n+ * associated with a file descriptor) reads of the file's data or\n+ * fsverity digest, it must call this explicitly before doing so.\n+ *\n+ * Return: 0 on success, -errno on failure\n+ */\n+int fsverity_ensure_verity_info(struct inode *inode)\n {\n \tstruct fsverity_info *vi = fsverity_get_info(inode), *found;\n \tstruct fsverity_descriptor *desc;\n@@ -380,12 +397,13 @@ static int ensure_verity_info(struct inode *inode)\n \tkfree(desc);\n \treturn err;\n }\n+EXPORT_SYMBOL_GPL(fsverity_ensure_verity_info);\n \n int __fsverity_file_open(struct inode *inode, struct file *filp)\n {\n \tif (filp->f_mode & FMODE_WRITE)\n \t\treturn -EPERM;\n-\treturn ensure_verity_info(inode);\n+\treturn fsverity_ensure_verity_info(inode);\n }\n EXPORT_SYMBOL_GPL(__fsverity_file_open);\n \ndiff --git a/include/linux/fsverity.h b/include/linux/fsverity.h\nindex a8f9aa75b792..5562271bd628 100644\n--- a/include/linux/fsverity.h\n+++ b/include/linux/fsverity.h\n@@ -309,6 +309,8 @@ static inline int fsverity_file_open(struct inode *inode, struct file *filp)\n \treturn 0;\n }\n \n+int fsverity_ensure_verity_info(struct inode *inode);\n+\n void fsverity_cleanup_inode(struct inode *inode);\n \n struct page *generic_read_merkle_tree_page(struct inode *inode, pgoff_t index);\n", "prefixes": [ "v8", "02/22" ] }