include/linux/fiemap.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef _LINUX_FIEMAP_H
0003 #define _LINUX_FIEMAP_H 1
0004
0005 #include <uapi/linux/fiemap.h>
0006 #include <linux/fs.h>
0007
0008 struct fiemap_extent_info {
0009     unsigned int fi_flags;      /* Flags as passed from user */
0010     unsigned int fi_extents_mapped; /* Number of mapped extents */
0011     unsigned int fi_extents_max;    /* Size of fiemap_extent array */
0012     struct fiemap_extent __user *fi_extents_start; /* Start of
0013                             fiemap_extent array */
0014 };
0015
0016 int fiemap_prep(struct inode *inode, struct fiemap_extent_info *fieinfo,
0017         u64 start, u64 *len, u32 supported_flags);
0018 int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical,
0019                 u64 phys, u64 len, u32 flags);
0020
0021 #endif /* _LINUX_FIEMAP_H 1 */