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Sat, 20 Feb 2021 11:01:29 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPA id 20210219124559epcas5p41da46f1c248e334953d407a154697903~lJtoHS3Mt2098420984epcas5p4K; Fri, 19 Feb 2021 12:45:59 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20210219124559epsmtrp1fef1b54166bacd3d630f5686fcb408ca~lJtoFV7DI0509805098epsmtrp1T; Fri, 19 Feb 2021 12:45:59 +0000 (GMT) X-AuditID: b6c32a4a-6c9ff7000000c5dc-95-60306d79ea3e Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id E6.7A.13470.703BF206; Fri, 19 Feb 2021 21:45:59 +0900 (KST) Received: from localhost.localdomain (unknown [107.110.206.5]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20210219124556epsmtip294ecebf376f5ad1f2f7d9beb2f4d0c4e~lJtlh9Gr51410314103epsmtip2S; Fri, 19 Feb 2021 12:45:56 +0000 (GMT) From: SelvaKumar S To: linux-nvme@lists.infradead.org Cc: kbusch@kernel.org, axboe@kernel.dk, damien.lemoal@wdc.com, hch@lst.de, sagi@grimberg.me, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, dm-devel@redhat.com, snitzer@redhat.com, selvajove@gmail.com, joshiiitr@gmail.com, nj.shetty@samsung.com, joshi.k@samsung.com, javier.gonz@samsung.com, kch@kernel.org, linux-fsdevel@vger.kernel.org, SelvaKumar S Subject: [RFC PATCH v5 1/4] block: make bio_map_kern() non static Date: Fri, 19 Feb 2021 18:15:14 +0530 Message-Id: <20210219124517.79359-2-selvakuma.s1@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210219124517.79359-1-selvakuma.s1@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA02Sf0xTVxTHc997fe/RWPdoYbur6LYmuMBCi0zlkkg3N7M894c/ojNmMUKD DyRQIK3AKn+scRGUTcEF2ChjEANEyyihQGXQLqQVBTrGilrCHMi0oANrxTpKVpDt8Vjmf59z zv2e7zknl8alPpGczs47xenyNLkKUkzYXHFvJxi0iemJfU4KtU5WkOhs2SKGHE/qROhq6wCG HvwepNDAqp9Eo34Xhr52egGyW6sI5PjtHWR3DBHoVu93JGpomaGQLdyAo9tVl3FkmQ8QaDow TqH5pSESlXb8Bd6XsT+aJil2dKqDYG+NFLJW83mS7Wz6nO2bMJJs4Kc7JHuxywzYoHULW9b/ JXZA/Kl41wkuN7uI06nU6eKTjVXNoGB8w2eh3hrSCGzichBBQ2Y7/PauGysHYlrK9AFYV98G hOAZgP2lbkoIFgH8e3mAKAf0msR175iQdwBo7FoEfCspEwSwuSyHZ5JJgN4mK8FzFKOAK+1n CF6AM5U4vDBej/MFGbMbtt17TvJMMLFwZKJRxBtImFR45pFBGO8NWDsWoniOYNTQ9ti7JpUw kXCo1rfWH//3zRfddTjfHzI+GpadqyQF8R7YULssElgG5252UQLL4Z8VpetcDGfP12ACGwG8 GCgW+D3osa9g/Dw4Ewfbe1VCejOsHrZggu9GeCHsW5dKYM/3Pky4z1Y4fG2nkI6BT12969Ow cLBigRROdQnAwNxbleBN00vbmF7axvS/cSPAzeB1rkCvzeL0OwqS8rhipV6j1RfmZSkz8rVW sPYR4z/uAX9MP1U6AUYDJ4A0roiSXHuoTJdKTmgMpzldfpquMJfTO8EmmlC8JulJnE6TMlma U1wOxxVwuv+qGB0hN2Kd/nZLjmIHMlenHynJLVIfPS4RbzycuTt2140bEcnZV0pS+hVTCp2j ryjUpjO+kvZB9yetLwLh1E1u1YcJhqW7bnqDZ388EXs9/ISIsXts951HucgVZcjbM1sTo26s PjxHLq0apsLbis9Gy0Ob2y6du6mMfHframwG1Zyjjpr1yycPbsGfPx7Vgkh5gzf6arLKMTNv 9KSqm5JnfnmWoq6X0ZYXpeYfzIMD9tPu4yke6a+Zj1RSIvjRwt5lWH1ENVwSNu3JH0u6nS/K uNPhF19vwQjLz52D0Ts1rUnBtKiWgNxy7OC0CzEdmQe6A/sefiUzx+2feHVsZvvIN4cUhP6k Zls8rtNr/gGXAnrr9wMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprOIsWRmVeSWpSXmKPExsWy7bCSvC77Zv0Eg+vNPBar7/azWbS2f2Oy 2PtuNqvFytVHmSwe3/nMbnH0/1s2i/NvDzNZTDp0jdFiz6YpLBZ7b2lb7Nl7ksXi8q45bBbz lz1lt9j2ez6zxZUpi5gt1r1+z2Lx4P11dovXP06yWbRt/MroIOyxc9Zddo/z9zayeFw+W+qx aVUnm8fmJfUeu282sHm833eVzaNvyypGj8+b5DzaD3QzBXBFcdmkpOZklqUW6dslcGUsmLKU seA6T8X3XdPYGhi3cXUxcnBICJhIHL4f08XIxSEksJtR4uGHpyxdjJxAcRmJtXc72SBsYYmV /56zQxR9ZJSYsucAK0iCTUBX4tqSTWANIgJKEn/XN4HZzALLmCUezVQEsYUFHCXW3v8CNohF QFXi7M0FrCCLeQVsJZpeVELMl5eYeek7O4jNKWAnse3NNWYQWwio5MP3aWCtvAKCEidnPoEa Ly/RvHU28wRGgVlIUrOQpBYwMq1ilEwtKM5Nzy02LDDMSy3XK07MLS7NS9dLzs/dxAiOOy3N HYzbV33QO8TIxMF4iFGCg1lJhHf7c70EId6UxMqq1KL8+KLSnNTiQ4zSHCxK4rwXuk7GCwmk J5akZqemFqQWwWSZODilGpi28FRLFwhFz/3y7j/fU/9sqXqX/SLrd/8JfrAkcQ3r3B1/9fuZ r9rrxzHFG75k/6q69OHuydMOmou/NkloOtgQOtOr9pxrzWzNu5MUl6j7Tb7mIMTw0u7xydtm yUVbPmh+ipVuq3dWOdVuXRTY91tFv++L4cKAtzHP+U7/DfVVqjp7kqMtZ+OWZymdWrUZW5oV Pj+NW/P7wqebKRovkz6EtBdfvs8y/9kTxwMaT0J+7F++5QND0X2BM4wRGauNPeIm1ap0Ljwv Ebj0pNIbxT0OXAw+0Z/rcg4dqlp9fpHiBN9fJ/4/76s4tF+CvUunlnnr9jcvOXpC7Pc0L35+ 8ZKZn6ql5z+mxksa2ZXMspVKLMUZiYZazEXFiQB9lYxxKgMAAA== X-CMS-MailID: 20210219124559epcas5p41da46f1c248e334953d407a154697903 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P X-CMS-RootMailID: 20210219124559epcas5p41da46f1c248e334953d407a154697903 References: <20210219124517.79359-1-selvakuma.s1@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Make bio_map_kern() non static, so that copy offload emulation can use it to add vmalloced memory to bio. Signed-off-by: SelvaKumar S Signed-off-by: Chaitanya Kulkarni --- block/blk-map.c | 2 +- include/linux/blkdev.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/block/blk-map.c b/block/blk-map.c index 21630dccac62..17381b1643b8 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -378,7 +378,7 @@ static void bio_map_kern_endio(struct bio *bio) * Map the kernel address into a bio suitable for io to a block * device. Returns an error pointer in case of error. */ -static struct bio *bio_map_kern(struct request_queue *q, void *data, +struct bio *bio_map_kern(struct request_queue *q, void *data, unsigned int len, gfp_t gfp_mask) { unsigned long kaddr = (unsigned long)data; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f94ee3089e01..699ace6b25ff 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -944,6 +944,8 @@ extern int blk_rq_map_user(struct request_queue *, struct request *, struct rq_map_data *, void __user *, unsigned long, gfp_t); extern int blk_rq_unmap_user(struct bio *); +struct bio *bio_map_kern(struct request_queue *q, void *data, unsigned int len, + gfp_t gfp_mask); extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, unsigned int, gfp_t); extern int blk_rq_map_user_iov(struct request_queue *, struct request *, struct rq_map_data *, const struct iov_iter *, -- 2.25.1