dcssblk.c (0d8eae7b124e2ddaee00f186fe922450faad0ed7) dcssblk.c (613b14884b8595e20b9fac4126bf627313827fbe)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * dcssblk.c -- the S/390 block driver for dcss memory
4 *
5 * Authors: Carsten Otte, Stefan Weinhuber, Gerald Schaefer
6 */
7
8#define KMSG_COMPONENT "dcssblk"

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860 struct bio_vec bvec;
861 struct bvec_iter iter;
862 unsigned long index;
863 unsigned long page_addr;
864 unsigned long source_addr;
865 unsigned long bytes_done;
866
867 bio = bio_split_to_limits(bio);
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * dcssblk.c -- the S/390 block driver for dcss memory
4 *
5 * Authors: Carsten Otte, Stefan Weinhuber, Gerald Schaefer
6 */
7
8#define KMSG_COMPONENT "dcssblk"

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860 struct bio_vec bvec;
861 struct bvec_iter iter;
862 unsigned long index;
863 unsigned long page_addr;
864 unsigned long source_addr;
865 unsigned long bytes_done;
866
867 bio = bio_split_to_limits(bio);
868 if (!bio)
869 return;
868
869 bytes_done = 0;
870 dev_info = bio->bi_bdev->bd_disk->private_data;
871 if (dev_info == NULL)
872 goto fail;
873 if ((bio->bi_iter.bi_sector & 7) != 0 ||
874 (bio->bi_iter.bi_size & 4095) != 0)
875 /* Request is not page-aligned. */

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871 bytes_done = 0;
872 dev_info = bio->bi_bdev->bd_disk->private_data;
873 if (dev_info == NULL)
874 goto fail;
875 if ((bio->bi_iter.bi_sector & 7) != 0 ||
876 (bio->bi_iter.bi_size & 4095) != 0)
877 /* Request is not page-aligned. */

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