fiemap.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _LINUX_FIEMAP_H
 3#define _LINUX_FIEMAP_H 1
 4
 5#include <uapi/linux/fiemap.h>
 6#include <linux/fs.h>
 7
 8/**
 9 * struct fiemap_extent_info - fiemap request to a filesystem
10 * @fi_flags:		Flags as passed from user
11 * @fi_extents_mapped:	Number of mapped extents
12 * @fi_extents_max:	Size of fiemap_extent array
13 * @fi_extents_start:	Start of fiemap_extent array
14 */
15struct fiemap_extent_info {
16	unsigned int fi_flags;
17	unsigned int fi_extents_mapped;
18	unsigned int fi_extents_max;
19	struct fiemap_extent __user *fi_extents_start;
20};
21
22int fiemap_prep(struct inode *inode, struct fiemap_extent_info *fieinfo,
23		u64 start, u64 *len, u32 supported_flags);
24int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical,
25			    u64 phys, u64 len, u32 flags);
26
27#endif /* _LINUX_FIEMAP_H 1 */