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Thu, 31 Oct 2024 03:10:08 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20241030181008epcas5p333603fdbf3afb60947d3fc51138d11bf~DTWwVJnWa1475114751epcas5p3f; Wed, 30 Oct 2024 18:10:08 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20241030181008epsmtrp2606d4ffa7080df4891ded85dec9cad92~DTWwP4H8P1079210792epsmtrp2G; Wed, 30 Oct 2024 18:10:08 +0000 (GMT) X-AuditID: b6c32a44-93ffa7000000217e-e9-67227680801c Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id AB.78.08229.08672276; Thu, 31 Oct 2024 03:10:08 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20241030181005epsmtip267b17ad271ee69c5084ac7f152967aaf~DTWt2IfN90238402384epsmtip2p; Wed, 30 Oct 2024 18:10:05 +0000 (GMT) From: Kanchan Joshi To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org, martin.petersen@oracle.com, asml.silence@gmail.com, brauner@kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz Cc: linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, gost.dev@samsung.com, vishak.g@samsung.com, anuj1072538@gmail.com, Anuj Gupta , Kanchan Joshi Subject: [PATCH v6 04/10] fs, iov_iter: define meta io descriptor Date: Wed, 30 Oct 2024 23:31:06 +0530 Message-Id: <20241030180112.4635-5-joshi.k@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241030180112.4635-1-joshi.k@samsung.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLJsWRmVeSWpSXmKPExsWy7bCmhm5DmVK6wbmF+hYfv/5msWia8JfZ Ys6qbYwWq+/2s1m8PvyJ0eLmgZ1MFitXH2WyeNd6jsVi9vRmJouj/9+yWUw6dI3RYu8tbYs9 e0+yWMxf9pTdovv6DjaL5cf/MVmc/3uc1eL8rDnsDkIeO2fdZfe4fLbUY9OqTjaPzUvqPXbf bGDz+Pj0FotH35ZVjB5nFhxh9/i8Sc5j05O3TAFcUdk2GamJKalFCql5yfkpmXnptkrewfHO 8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUA/KSmUJeaUAoUCEouLlfTtbIryS0tSFTLyi0ts lVILUnIKTAr0ihNzi0vz0vXyUkusDA0MjEyBChOyM3YeWMdacIm34tWa30wNjNO5uxg5OCQE TCQeN5R1MXJyCAnsZpR4cs60i5ELyP7EKHF+yy9WCOcbo8T37/9YQapAGmZ8esAGkdjLKPH6 xwxmCOczo8TyVVvZQMayCWhKXJhcCtIgIrCUUWLl9WiQGmaB5UwS79ZPYQSpERZwlPh0Xh+k hkVAVaLn32EWEJtXwFzi/sPZTBDL5CVmXvrODmJzClhIfNhxE6pGUOLkzCdgNjNQTfPW2WA3 SAg84JBYuvgfC0Szi0Tv1BmMELawxKvjW9ghbCmJz+/2skHY2RIPHj2Aqq+R2LG5D+pLe4mG PzdYQe5kBvpl/S59iF18Er2/nzBBQo5XoqNNCKJaUeLepKdQneISD2csYYUo8ZCYu7kSEjrd jBIfTi5nn8AoPwvJB7OQfDALYdkCRuZVjJKpBcW56anJpgWGeanl8FhNzs/dxAhO11ouOxhv zP+nd4iRiYPxEKMEB7OSCK9lkGK6EG9KYmVValF+fFFpTmrxIUZTYBBPZJYSTc4HZoy8knhD E0sDEzMzMxNLYzNDJXHe161zU4QE0hNLUrNTUwtSi2D6mDg4pRqY7nrN3LRfcdqU9K/rF2wW KV59YkvJ9I8tDmySvJEzlWpYFhdzHz394tGfxboz1k2dbS1y9MdjB9svasWaTTdP9ntPlQuv 5FzVdNW33r5PbbfLv6COA57Su05tlr3iUxzL/vkO+91zDG/PL64XE1N8eufzAtX3EnzHviVb VFzfPEnk9/878ZdvVtyu3JTT/r1mga21VcXVb3791w84Lwllq/lhenuXfs/yG1Pv3pn05rn9 vjmepR3+gS+c9fieGUVe0zi6ddmakpk3+BSqz+tXGs46dbXsvtJHPZnfyXdnuP02eLw0h7XI KZVh2cvvL9W39W3U3LVLaGu//+7SV3svq2zb41Bu5vhbUmrSArtfiq5KLMUZiYZazEXFiQBf /ecGYAQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprMIsWRmVeSWpSXmKPExsWy7bCSvG5DmVK6wfvtghYfv/5msWia8JfZ Ys6qbYwWq+/2s1m8PvyJ0eLmgZ1MFitXH2WyeNd6jsVi9vRmJouj/9+yWUw6dI3RYu8tbYs9 e0+yWMxf9pTdovv6DjaL5cf/MVmc/3uc1eL8rDnsDkIeO2fdZfe4fLbUY9OqTjaPzUvqPXbf bGDz+Pj0FotH35ZVjB5nFhxh9/i8Sc5j05O3TAFcUVw2Kak5mWWpRfp2CVwZOw+sYy24xFvx as1vpgbG6dxdjJwcEgImEjM+PWDrYuTiEBLYzSix4MM7NoiEuETztR/sELawxMp/z8FsIYGP jBIPPnl1MXJwsAloSlyYXArSKyKwnlHi7N4JLCAOs8BGJokpG88xghQJCzhKfDqvD9LLIqAq 0fPvMAuIzStgLnH/4WwmiPnyEjMvfQebzylgIfFhx00WiF3mEtcXnmGHqBeUODnzCVicGai+ eets5gmMArOQpGYhSS1gZFrFKJlaUJybnltsWGCYl1quV5yYW1yal66XnJ+7iREcb1qaOxi3 r/qgd4iRiYPxEKMEB7OSCK9lkGK6EG9KYmVValF+fFFpTmrxIUZpDhYlcV7xF70pQgLpiSWp 2ampBalFMFkmDk6pBqajO/kY6lWvq+zc2Vbtwsg8J9qxOKeCc/WbpGkPHPXvtPR/qr8UJm6b ui/ZzmsrE8/HVaWS2xY8+y7SOr3orYpm6I7nrxd2P9C8yq5nsFtfciqnzanpjzbITWOq3Ldn 3uG8MvNpn6OPMlkzJBS9eS50ielPp5Sp39Sv9//NmRYVHZ+fLbrcdTH380y5aJMXZjv2Hlrt spRBMW3upimc2gHcxf613YuFrv20Ppv0s+ysyZ42g01+d/ZfupXePbe/JGH9rn2v2WMN7MJ2 JU9aV+YqoitxxnPqeavLNX8lO48y/M1lW3VnTvNW5sz0+SIRz+1nrnL69PfHlb/bXi1UrH3/ ZJd/jPKhh9wbJa5du/NOiaU4I9FQi7moOBEAYQnKiyYDAAA= X-CMS-MailID: 20241030181008epcas5p333603fdbf3afb60947d3fc51138d11bf X-Msg-Generator: CA CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241030181008epcas5p333603fdbf3afb60947d3fc51138d11bf References: <20241030180112.4635-1-joshi.k@samsung.com> From: Anuj Gupta Add flags to describe checks for integrity meta buffer. Also, introduce a new 'uio_meta' structure that upper layer can use to pass the meta/integrity information. Signed-off-by: Kanchan Joshi Signed-off-by: Anuj Gupta Reviewed-by: Christoph Hellwig --- include/linux/uio.h | 9 +++++++++ include/uapi/linux/fs.h | 9 +++++++++ 2 files changed, 18 insertions(+) diff --git a/include/linux/uio.h b/include/linux/uio.h index 853f9de5aa05..8ada84e85447 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -82,6 +82,15 @@ struct iov_iter { }; }; +typedef __u16 uio_meta_flags_t; + +struct uio_meta { + uio_meta_flags_t flags; + u16 app_tag; + u64 seed; + struct iov_iter iter; +}; + static inline const struct iovec *iter_iov(const struct iov_iter *iter) { if (iter->iter_type == ITER_UBUF) diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index 753971770733..9070ef19f0a3 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -40,6 +40,15 @@ #define BLOCK_SIZE_BITS 10 #define BLOCK_SIZE (1<