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Wed, 6 Nov 2024 12:27:04 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20241106122704epsmtrp200a3457ab68e63807ffbfa37626d1ccf~FYMOL2gb62562525625epsmtrp2O; Wed, 6 Nov 2024 12:27:04 +0000 (GMT) X-AuditID: b6c32a50-085ff70000049457-2d-672b7d27f000 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id F6.01.35203.8906B276; Wed, 6 Nov 2024 21:27:04 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20241106122702epsmtip1ef7339d3a33088bb9e994ec2c051e80a~FYMLqURmC0829608296epsmtip19; Wed, 6 Nov 2024 12:27:01 +0000 (GMT) From: Anuj Gupta To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org, martin.petersen@oracle.com, asml.silence@gmail.com, anuj1072538@gmail.com, brauner@kernel.org, jack@suse.cz, viro@zeniv.linux.org.uk Cc: io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, gost.dev@samsung.com, linux-scsi@vger.kernel.org, vishak.g@samsung.com, linux-fsdevel@vger.kernel.org, Anuj Gupta , Kanchan Joshi Subject: [PATCH v8 04/10] fs, iov_iter: define meta io descriptor Date: Wed, 6 Nov 2024 17:48:36 +0530 Message-Id: <20241106121842.5004-5-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241106121842.5004-1-anuj20.g@samsung.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrPJsWRmVeSWpSXmKPExsWy7bCmhq56rXa6wZRTAhYfv/5msWia8JfZ Ys6qbYwWq+/2s1m8PvyJ0eLmgZ1MFitXH2WyeNd6jsVi9vRmJouj/9+yWUw6dI3RYu8tbYs9 e0+yWMxf9pTdovv6DjaL5cf/MVmc/3uc1eL8rDnsDkIeO2fdZfe4fLbUY9OqTjaPzUvqPXbf bGDz+Pj0FotH35ZVjB5nFhxh9/i8Sc5j05O3TAFcUdk2GamJKalFCql5yfkpmXnptkrewfHO 8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUA/KSmUJeaUAoUCEouLlfTtbIryS0tSFTLyi0ts lVILUnIKTAr0ihNzi0vz0vXyUkusDA0MjEyBChOyM5ZM0y24wlux+NpCtgbG2dxdjJwcEgIm EnN79jN1MXJxCAnsYZR4OnkrC4TziVFi/q6jbBDON0aJtStWscG0nPv0lBHEFhLYyyjRewaq 6DOjxNXrj5lAEmwC6hJHnrcygiREQOb2LjwNNpdZYAKTRPvEOewgVcICjhJ3ln1iAbFZBFQl 5ixsYgaxeQUsJGY9/8cOsU5eYual72A2p4ClxNnP2xghagQlTs58AtbLDFTTvHU2M8gCCYEb HBJdL76zQDS7SGxY38cMYQtLvDq+BWqolMTnd3uh/kmX+HH5KROEXSDRfGwfI4RtL9F6qh+o lwNogabE+l36EGFZiamn1jFB7OWT6P39BKqVV2LHPBhbSaJ95RwoW0Ji77kGKNtDYunFj+yQ 4OphlDj3+AHTBEaFWUj+mYXkn1kIqxcwMq9ilEotKM5NT002LTDUzUsth8dzcn7uJkZwStcK 2MG4esNfvUOMTByMhxglOJiVRHj9o7TThXhTEiurUovy44tKc1KLDzGaAkN8IrOUaHI+MKvk lcQbmlgamJiZmZlYGpsZKonzvm6dmyIkkJ5YkpqdmlqQWgTTx8TBKdXAxHvq+8c/Lx87Rc3r X3CbK8/pi/dTg/dmDmVMas4RKld+xWV9nul7JErTekH1j0MpM5dH7O89kHj/w7SL/6r+bFq6 6CHHMoZYQ5H1M6Z8yDqbx3ZMg6EiZ+eGm/VV7CF/psyV4ekK3bspyfDP/dTWo55bww/VfJ/A L7AjguFVYsQKrcNbDt6vtdPw2MuVLCtnH1/ItueR39K+9WG9b56+Ttg5/3TVp+RjfSxLp/Bw Bk/bNy/ztsJUHf6gjXulJPVvltk8yXRS64lwPy3Fm8K0xtYjwHZn2JwQlvRXXN+KdCY7LtvJ oyBe2Vm8z3vJ7wVvKp9zsO9m0NJSzOo/oJRxeXaV5r3vijwLk+u9TszfpsRSnJFoqMVcVJwI AEQ0a2JyBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprCIsWRmVeSWpSXmKPExsWy7bCSnO6MBO10g+ffNSw+fv3NYtE04S+z xZxV2xgtVt/tZ7N4ffgTo8XNAzuZLFauPspk8a71HIvF7OnNTBZH/79ls5h06Bqjxd5b2hZ7 9p5ksZi/7Cm7Rff1HWwWy4//Y7I4//c4q8X5WXPYHYQ8ds66y+5x+Wypx6ZVnWwem5fUe+y+ 2cDm8fHpLRaPvi2rGD3OLDjC7vF5k5zHpidvmQK4orhsUlJzMstSi/TtErgylkzTLbjCW7H4 2kK2BsbZ3F2MnBwSAiYS5z49Zexi5OIQEtjNKDHj8j8miISExKmXyxghbGGJlf+es0MUfWSU 2PJoKwtIgk1AXeLI81awIhGBE4wS8ye6gRQxC8xgkuj5tYINJCEs4ChxZ9knsAYWAVWJOQub mEFsXgELiVnP/7FDbJCXmHnpO5jNKWApcfbzNrChQkA1fxb0QdULSpyc+QRsDjNQffPW2cwT GAVmIUnNQpJawMi0ilEytaA4Nz232LDAMC+1XK84Mbe4NC9dLzk/dxMjOOK0NHcwbl/1Qe8Q IxMH4yFGCQ5mJRFe/yjtdCHelMTKqtSi/Pii0pzU4kOM0hwsSuK84i96U4QE0hNLUrNTUwtS i2CyTBycUg1Mh9LzTsY9rros8jPWXXkG2yWjTv6N+TuVX8iymBSxPZvvc+HH/ymyCx98LHma dqt8Wcb3s896WRfECajOqP1Y8tk7KaWUO/yUbMXSP3s4+HQNBOK+CZc1/59hH/BQsJl99SOe X8wGra9MuK+ciPncI20rKOo5afvNHofD0+Z9DNKc+ufP7vPSs19Ode68dXtSyTSBacqLPa6F HOMSfT371lIRF5eGXyG3E/LE07Z85Ss4nir97Fr2098/i70fXo5grnr16kLBfRM7KZY2oWUl rH6LjeWn23QIvgjc4mafEBy94FrUtXClGUs4/08oDduWOZXRtk/is/gtd54S0b+LsjUZ3+8J OBha1xmsuyVIiaU4I9FQi7moOBEAVFbo8ScDAAA= X-CMS-MailID: 20241106122704epcas5p37a156fb2738c3b8194e8f81c26a07878 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241106122704epcas5p37a156fb2738c3b8194e8f81c26a07878 References: <20241106121842.5004-1-anuj20.g@samsung.com> 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<