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 struct fiemap_extent_info {
9 	unsigned int fi_flags;		/* Flags as passed from user */
10 	unsigned int fi_extents_mapped;	/* Number of mapped extents */
11 	unsigned int fi_extents_max;	/* Size of fiemap_extent array */
12 	struct fiemap_extent __user *fi_extents_start; /* Start of
13 							fiemap_extent array */
14 };
15 
16 int fiemap_prep(struct inode *inode, struct fiemap_extent_info *fieinfo,
17 		u64 start, u64 *len, u32 supported_flags);
18 int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical,
19 			    u64 phys, u64 len, u32 flags);
20 
21 int generic_block_fiemap(struct inode *inode,
22 		struct fiemap_extent_info *fieinfo, u64 start, u64 len,
23 		get_block_t *get_block);
24 
25 #endif /* _LINUX_FIEMAP_H 1 */
26