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Thu, 25 Apr 2024 18:47:02 +0000 (GMT) Received: from epsmgmc1p1new.samsung.com (unknown [182.195.42.40]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20240425184702epsmtrp18037949dd8671c2b47ec3374d07e8cf3~JmlTMODXx0085000850epsmtrp1f; Thu, 25 Apr 2024 18:47:02 +0000 (GMT) X-AuditID: b6c32a50-f57ff70000004be7-cd-662aa526028b Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgmc1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 2B.F0.07541.625AA266; Fri, 26 Apr 2024 03:47:02 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20240425184700epsmtip12c9a5239317da24686f8384443bb40e6~JmlRXCNYr0041000410epsmtip1N; Thu, 25 Apr 2024 18:47:00 +0000 (GMT) From: Kanchan Joshi To: axboe@kernel.dk, martin.petersen@oracle.com, kbusch@kernel.org, hch@lst.de, brauner@kernel.org Cc: asml.silence@gmail.com, dw@davidwei.uk, io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, gost.dev@samsung.com, Anuj Gupta , Kanchan Joshi Subject: [PATCH 06/10] block: modify bio_integrity_map_user argument Date: Fri, 26 Apr 2024 00:09:39 +0530 Message-Id: <20240425183943.6319-7-joshi.k@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240425183943.6319-1-joshi.k@samsung.com> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrMJsWRmVeSWpSXmKPExsWy7bCmuq7aUq00g4bt6hZNE/4yW8xZtY3R YvXdfjaL14c/MVq8mrGWzeLmgZ1MFitXH2WyeNd6jsXi6P+3bBaTDl1jtNh7S9ti/rKn7BbL j/9jcuD1uDZjIovHzll32T0uny312LSqk81j85J6j903G9g8Pj69xeLRt2UVo8fnTXIBnFHZ NhmpiSmpRQqpecn5KZl56bZK3sHxzvGmZgaGuoaWFuZKCnmJuam2Si4+AbpumTlAVysplCXm lAKFAhKLi5X07WyK8ktLUhUy8otLbJVSC1JyCkwK9IoTc4tL89L18lJLrAwNDIxMgQoTsjN6 dl9gKzgtX7Gp7zhLA+MvyS5GTg4JAROJ609Ws3UxcnEICexhlJgzaxo7hPOJUWLHsycsEM43 Ron210cZYVp+vJ7ABJHYyyjR2TQbqv8zo8S2NTuB+jk42AQ0JS5MLgVpEBFIkXi17jVYM7PA U0aJH51MILawgIvEk21XWUFsFgFViRs//oDZvALmEh9PbGSDWCYvMfPSd3YQm1PAQmLyxdPs EDWCEidnglwHMlNeonnrbGaQGyQE1nJIzLt8EOpSF4kf9/5CDRKWeHV8CzuELSXxsr8Nyk6W uDTzHBOEXSLxeM9BKNteovVUPzPIL8xAv6zfpQ+xi0+i9/cTJpCwhACvREebEES1osS9SU9Z IWxxiYczlkDZHhLbL5yFhmg3o8S578eYJzDKz0LywiwkL8xC2LaAkXkVo1RqQXFuemqyaYGh bl5qOTxmk/NzNzGCU69WwA7G1Rv+6h1iZOJgPMQowcGsJMJ786NGmhBvSmJlVWpRfnxRaU5q 8SFGU2AgT2SWEk3OByb/vJJ4QxNLAxMzMzMTS2MzQyVx3tetc1OEBNITS1KzU1MLUotg+pg4 OKUamELFDjccknIKlmJlt/B5ahN4ftXR4kdpBvqsij2+7X6B3H0ZZv+YdrMWSd3lqG5SLxHz Zpq76Kzn7elKX5Y8O25gHqrRc0U0UHjSMqbPN9fNiLZ/I3EzSvi26sS8yV0PlI80mO2ctHJ2 5cwvgk/Mr896ErxmnY/g7mtRwmfMJxZk5TZeY/prkerrW/frcJPGxGt/r9qX2+f/yVldf2t/ 6KEfj7cwxHzMfVPMeN/rBxvDvPmvtaeLWz/U2jBHq67557+JBybd6poT/kZ26U/33XJ/b83Z 2n+2ItDn2Y1pCmxbvx6YwXuk8vwOhwOP3SI6dl/9p3Biy9tLTLtKd3D5TvSUux6TpnddYa+0 DcePnktKLMUZiYZazEXFiQBoTdiSRgQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrGLMWRmVeSWpSXmKPExsWy7bCSnK7aUq00g8kfWC2aJvxltpizahuj xeq7/WwWrw9/YrR4NWMtm8XNAzuZLFauPspk8a71HIvF0f9v2SwmHbrGaLH3lrbF/GVP2S2W H//H5MDrcW3GRBaPnbPusntcPlvqsWlVJ5vH5iX1HrtvNrB5fHx6i8Wjb8sqRo/Pm+QCOKO4 bFJSczLLUov07RK4Mnp2X2ArOC1fsanvOEsD4y/JLkZODgkBE4kfrycwdTFycQgJ7GaUuLf0 HxtEQlyi+doPdghbWGLlv+fsEEUfGSX2/p/A0sXIwcEmoClxYXIpSI2IQJbE3v4rYDXMAm8Z Jeb/3cMMkhAWcJF4su0qK4jNIqAqcePHHzCbV8Bc4uOJjVDL5CVmXvoOtoxTwEJi8sXTYLYQ UM3UNYsYIeoFJU7OfMICYjMD1Tdvnc08gVFgFpLULCSpBYxMqxglUwuKc9Nzkw0LDPNSy/WK E3OLS/PS9ZLzczcxgqNGS2MH4735//QOMTJxMB5ilOBgVhLhvflRI02INyWxsiq1KD++qDQn tfgQozQHi5I4r+GM2SlCAumJJanZqakFqUUwWSYOTqkGJvXbJjyNbx3n7652j7afwLHnmFnt DqewL2e9Lr4QqGh3MrZ9HVy95mHLjxKFytJyp7BoAeZLvpv1nivllPB7qa2NPuAz9cOWpQqP dh7v7EhzK7A2XJN75+7G5Q28osuEn/Ze54laFOv3pPJu6vLXNZ7PFK7N+dV34tTNg4aLH0QF mYhNnbzFMPoIa4ZvdfPMSW+XV837GvPv99oijfk3uPmuZPKf7l6zvqbTakfN/1mf508Q0ftm HmaSu+bpp98tl5zSLzy0lDv58/sir/k7GJtbP7nWSqc+PnKQ9533i5thh5IdaidnSKrmJUb9 UXQxXtKhctDH0ICfTfJj0ZNGe5Opa68IPgmertu7oNmuUYmlOCPRUIu5qDgRAHhULSgJAwAA X-CMS-MailID: 20240425184702epcas5p1ccb0df41b07845bc252d69007558e3fa X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240425184702epcas5p1ccb0df41b07845bc252d69007558e3fa References: <20240425183943.6319-1-joshi.k@samsung.com> From: Anuj Gupta This patch refactors bio_integrity_map_user to accept iov_iter as argument. This is a prep patch. Signed-off-by: Anuj Gupta Signed-off-by: Kanchan Joshi --- block/bio-integrity.c | 14 ++++++-------- drivers/nvme/host/ioctl.c | 11 +++++++++-- include/linux/bio.h | 7 ++++--- 3 files changed, 19 insertions(+), 13 deletions(-) diff --git a/block/bio-integrity.c b/block/bio-integrity.c index b698eb77515d..1085cf45f51e 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -318,17 +318,16 @@ static unsigned int bvec_from_pages(struct bio_vec *bvec, struct page **pages, return nr_bvecs; } -int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t bytes, - u32 seed) +int bio_integrity_map_user(struct bio *bio, struct iov_iter *iter, + u32 seed) { struct request_queue *q = bdev_get_queue(bio->bi_bdev); unsigned int align = q->dma_pad_mask | queue_dma_alignment(q); struct page *stack_pages[UIO_FASTIOV], **pages = stack_pages; struct bio_vec stack_vec[UIO_FASTIOV], *bvec = stack_vec; + size_t offset, bytes = iter->count; unsigned int direction, nr_bvecs; - struct iov_iter iter; int ret, nr_vecs; - size_t offset; bool copy; if (bio_integrity(bio)) @@ -341,8 +340,7 @@ int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t bytes, else direction = ITER_SOURCE; - iov_iter_ubuf(&iter, direction, ubuf, bytes); - nr_vecs = iov_iter_npages(&iter, BIO_MAX_VECS + 1); + nr_vecs = iov_iter_npages(iter, BIO_MAX_VECS + 1); if (nr_vecs > BIO_MAX_VECS) return -E2BIG; if (nr_vecs > UIO_FASTIOV) { @@ -352,8 +350,8 @@ int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t bytes, pages = NULL; } - copy = !iov_iter_is_aligned(&iter, align, align); - ret = iov_iter_extract_pages(&iter, &pages, bytes, nr_vecs, 0, &offset); + copy = !iov_iter_is_aligned(iter, align, align); + ret = iov_iter_extract_pages(iter, &pages, bytes, nr_vecs, 0, &offset); if (unlikely(ret < 0)) goto free_bvec; diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c index 499a8bb7cac7..4ed389edb3b6 100644 --- a/drivers/nvme/host/ioctl.c +++ b/drivers/nvme/host/ioctl.c @@ -145,8 +145,15 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer, if (bdev) { bio_set_dev(bio, bdev); if (meta_buffer && meta_len) { - ret = bio_integrity_map_user(bio, meta_buffer, meta_len, - meta_seed); + struct iov_iter iter; + unsigned int direction; + + if (bio_data_dir(bio) == READ) + direction = ITER_DEST; + else + direction = ITER_SOURCE; + iov_iter_ubuf(&iter, direction, meta_buffer, meta_len); + ret = bio_integrity_map_user(bio, &iter, meta_seed); if (ret) goto out_unmap; req->cmd_flags |= REQ_INTEGRITY; diff --git a/include/linux/bio.h b/include/linux/bio.h index 875d792bffff..20cf47fc851f 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -723,7 +723,7 @@ static inline bool bioset_initialized(struct bio_set *bs) for_each_bio(_bio) \ bip_for_each_vec(_bvl, _bio->bi_integrity, _iter) -int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t len, u32 seed); +int bio_integrity_map_user(struct bio *bio, struct iov_iter *iter, u32 seed); extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int); extern int bio_integrity_add_page(struct bio *, struct page *, unsigned int, unsigned int); extern bool bio_integrity_prep(struct bio *); @@ -795,8 +795,9 @@ static inline int bio_integrity_add_page(struct bio *bio, struct page *page, return 0; } -static inline int bio_integrity_map_user(struct bio *bio, void __user *ubuf, - ssize_t len, u32 seed) +static inline int bio_integrity_map_user(struct bio *bio, struct iov_iter *iter, + u32 seed) + { return -EINVAL; } -- 2.25.1