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Fri, 23 Aug 2024 10:46:20 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20240823104620epsmtrp29c081cebc9c898dfb876eb8922773530~uVb2thqK50114601146epsmtrp2W; Fri, 23 Aug 2024 10:46:20 +0000 (GMT) X-AuditID: b6c32a4a-3b1fa7000000260f-76-66c868f1a27a Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 7D.1B.08964.C7868C66; Fri, 23 Aug 2024 19:46:20 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20240823104618epsmtip2230219aa34e06babef4aa6c9b4175d9b~uVb00PXRD1410214102epsmtip2l; Fri, 23 Aug 2024 10:46:18 +0000 (GMT) From: Anuj Gupta To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org, martin.petersen@oracle.com, asml.silence@gmail.com, krisman@suse.de 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, Anuj Gupta Subject: [PATCH v3 03/10] block: handle split correctly for user meta bounce buffer Date: Fri, 23 Aug 2024 16:08:03 +0530 Message-Id: <20240823103811.2421-4-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240823103811.2421-1-anuj20.g@samsung.com> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrBJsWRmVeSWpSXmKPExsWy7bCmhu7HjBNpBq+eCVg0TfjLbDFn1TZG i9V3+9ksbh7YyWSxcvVRJot3redYLCYdusZosf3MUmaLvbe0LeYve8pu0X19B5vF8uP/mBx4 PHbOusvucflsqcemVZ1sHpuX1HvsvtnA5vHx6S0Wj74tqxg9Np+u9vi8SS6AMyrbJiM1MSW1 SCE1Lzk/JTMv3VbJOzjeOd7UzMBQ19DSwlxJIS8xN9VWycUnQNctMwfoXiWFssScUqBQQGJx sZK+nU1RfmlJqkJGfnGJrVJqQUpOgUmBXnFibnFpXrpeXmqJlaGBgZEpUGFCdsazefsYCzZz VjS372FsYHzP3sXIySEhYCKxdv49xi5GLg4hgd2MEv0ds8ASQgKfGCWmfNOASHxjlJjT2sLS xcgB1vGqRRuiZi+jxLEmG4iaz4wS50/dZgRJsAmoSxx53gpmiwhUSjzf9YMFpIhZYBOjxK/r x5hAEsICoRK3F80AK2IRUJU4v+sN2GZeAQuJf4vWMUKcJy8x89J3sDingKVE0+wGFogaQYmT M5+A2cxANc1bZzODLJAQWMkhce3RA6jfXCQmN89igrCFJV4d3wIVl5L4/G4vG4SdLvHj8lOo mgKJ5mP7oBbbS7Se6mcG+ZhZQFNi/S59iLCsxNRT65gg9vJJ9P5+AtXKK7FjHoytJNG+cg6U LSGx91wDlO0hsevfemZIaPUwSkz7coFpAqPCLCT/zELyzyyE1QsYmVcxSqYWFOempxabFhjl pZbDIzk5P3cTIzgJa3ntYHz44IPeIUYmDsZDjBIczEoivEn3jqYJ8aYkVlalFuXHF5XmpBYf YjQFBvhEZinR5HxgHsgriTc0sTQwMTMzM7E0NjNUEud93To3RUggPbEkNTs1tSC1CKaPiYNT qoEpKio10lhzI5Pc9dnnRYULclgzV/NY36p5F29Ql3gzRfjRy8s/NbSudkwyXuaklfbhjNEd IX8+y9hLrmXtT9tTWzUFMzy4NaJDTBq/pt//aNnU/OmQrFhk5/tNDny9yszfNnnNtCnhca/p 3aQfW5NoYBLd97NlptRuE/b582Y7qTmy75668lbO0YwV8zRe/px3XLjr71rG8LJZD/mtxbZx s0TqL/rIzBU/q3nDo9MfLy7x/qd6PYLHcYvgJsO8498M1Xazdq2o0PNaKG+sbuZ1dH0m+9S9 qxd0HRHRaTkjengG2xs/j7wpJznSAjnPGx/5VsvPtGqWd6HykVnbr3S4nTObc3XZjKnlwTMD BZVYijMSDbWYi4oTAYYf08ZLBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrILMWRmVeSWpSXmKPExsWy7bCSvG5Nxok0gwnbxC2aJvxltpizahuj xeq7/WwWNw/sZLJYufook8W71nMsFpMOXWO02H5mKbPF3lvaFvOXPWW36L6+g81i+fF/TA48 Hjtn3WX3uHy21GPTqk42j81L6j1232xg8/j49BaLR9+WVYwem09Xe3zeJBfAGcVlk5Kak1mW WqRvl8CV8WzePsaCzZwVze17GBsY37N3MXJwSAiYSLxq0e5i5OIQEtjNKNE/8TpbFyMnUFxC 4tTLZYwQtrDEyn/P2SGKPjJKzJ0wCyzBJqAuceR5KyNIQkSgkVFiS/MXFhCHWWAHo8S6Z4vB qoQFgiXePV/MBGKzCKhKnN/1hh3E5hWwkPi3aB3UCnmJmZe+g8U5BSwlmmY3sIDYQkA1y5af YYSoF5Q4OfMJWJwZqL5562zmCYwCs5CkZiFJLWBkWsUomVpQnJueW2xYYJiXWq5XnJhbXJqX rpecn7uJERwrWpo7GLev+qB3iJGJg/EQowQHs5IIb9K9o2lCvCmJlVWpRfnxRaU5qcWHGKU5 WJTEecVf9KYICaQnlqRmp6YWpBbBZJk4OKUamJhaN5++09W37fIHvtuxf8WPzbfKn3D+5W4r mbflsXP3yT67elBnq8ujN3cmuCu/NGYtv/5IXV5248WDXa0vHZckukv4nDz4rybWO2CLsaP2 nob6Z+sTvZcvX7Hlyuuyy52nr//1nPM8niv2+AnNkvT2LwZCDXtPWHPUKB38VLaeVWmlZUqv 0vkVrM+eBXIsmy+sKdep1/bMbufSTbYFn0578a5dpKL/+I9bwoeIy5t0OvytF7H6lrnn2z5b /cJttrjkbne7mC2+R6Z+lDM78/5ziWDWRNE53X+WsAV6S0ycf1nLp8NBYof3X82I/T2Xrzan VkpLrU29r3zy//rDLUkmW6/6aISfyHU7rl8RxqHEUpyRaKjFXFScCAA/CGPHBAMAAA== X-CMS-MailID: 20240823104620epcas5p2118c152963d6cadfbc9968790ac0e536 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240823104620epcas5p2118c152963d6cadfbc9968790ac0e536 References: <20240823103811.2421-1-anuj20.g@samsung.com> Copy back the bounce buffer to user-space in entirety when the parent bio completes. Signed-off-by: Anuj Gupta --- block/bio-integrity.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 0b69f2b003c3..d8b810a2b4bf 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -118,9 +118,11 @@ static void bio_integrity_unpin_bvec(struct bio_vec *bv, int nr_vecs, static void bio_integrity_uncopy_user(struct bio_integrity_payload *bip) { + struct bio *bio = bip->bip_bio; + struct blk_integrity *bi = blk_get_integrity(bio->bi_bdev->bd_disk); unsigned short nr_vecs = bip->bip_max_vcnt - 1; struct bio_vec *copy = &bip->bip_vec[1]; - size_t bytes = bip->bip_iter.bi_size; + size_t bytes = bio_iter_integrity_bytes(bi, bip->bio_iter); struct iov_iter iter; int ret; @@ -253,6 +255,7 @@ static int bio_integrity_copy_user(struct bio *bio, struct bio_vec *bvec, bip->bip_flags |= BIP_COPY_USER; bip->bip_iter.bi_sector = seed; bip->bip_vcnt = nr_vecs; + bip->bio_iter = bio->bi_iter; return 0; free_bip: bio_integrity_free(bio);