super.c (16e7483e6f02973972f832b18042fd6c45fe26c0) super.c (694565356c2e06224d94774a42709cc8dfab49ee)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright(c) 2017 Intel Corporation. All rights reserved.
4 */
5#include <linux/pagemap.h>
6#include <linux/module.h>
7#include <linux/mount.h>
8#include <linux/pseudo_fs.h>

--- 32 unchanged lines hidden (view full) ---

41EXPORT_SYMBOL_GPL(dax_read_unlock);
42
43#ifdef CONFIG_BLOCK
44#include <linux/blkdev.h>
45
46int bdev_dax_pgoff(struct block_device *bdev, sector_t sector, size_t size,
47 pgoff_t *pgoff)
48{
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright(c) 2017 Intel Corporation. All rights reserved.
4 */
5#include <linux/pagemap.h>
6#include <linux/module.h>
7#include <linux/mount.h>
8#include <linux/pseudo_fs.h>

--- 32 unchanged lines hidden (view full) ---

41EXPORT_SYMBOL_GPL(dax_read_unlock);
42
43#ifdef CONFIG_BLOCK
44#include <linux/blkdev.h>
45
46int bdev_dax_pgoff(struct block_device *bdev, sector_t sector, size_t size,
47 pgoff_t *pgoff)
48{
49 phys_addr_t phys_off = (get_start_sect(bdev) + sector) * 512;
49 sector_t start_sect = bdev ? get_start_sect(bdev) : 0;
50 phys_addr_t phys_off = (start_sect + sector) * 512;
50
51 if (pgoff)
52 *pgoff = PHYS_PFN(phys_off);
53 if (phys_off % PAGE_SIZE || size % PAGE_SIZE)
54 return -EINVAL;
55 return 0;
56}
57EXPORT_SYMBOL(bdev_dax_pgoff);

--- 705 unchanged lines hidden --- 		51
52 if (pgoff)
53 *pgoff = PHYS_PFN(phys_off);
54 if (phys_off % PAGE_SIZE || size % PAGE_SIZE)
55 return -EINVAL;
56 return 0;
57}
58EXPORT_SYMBOL(bdev_dax_pgoff);

--- 705 unchanged lines hidden ---