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// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2017 Oracle. All Rights Reserved. * Author: Darrick J. Wong <darrick.wong@oracle.com> */ #ifndef __XFS_FSMAP_H__ #define __XFS_FSMAP_H__ struct fsmap; struct fsmap_head; /* internal fsmap representation */ struct xfs_fsmap { dev_t fmr_device; /* device id */ uint32_t fmr_flags; /* mapping flags */ uint64_t fmr_physical; /* device offset of segment */ uint64_t fmr_owner; /* owner id */ xfs_fileoff_t fmr_offset; /* file offset of segment */ xfs_filblks_t fmr_length; /* length of segment, blocks */ }; struct xfs_fsmap_head { uint32_t fmh_iflags; /* control flags */ uint32_t fmh_oflags; /* output flags */ unsigned int fmh_count; /* # of entries in array incl. input */ unsigned int fmh_entries; /* # of entries filled in (output). */ struct xfs_fsmap fmh_keys[2]; /* low and high keys */ }; /* internal fsmap record format */ struct xfs_fsmap_irec { xfs_daddr_t start_daddr; xfs_daddr_t len_daddr; uint64_t owner; /* extent owner */ uint64_t offset; /* offset within the owner */ unsigned int rm_flags; /* rmap state flags */ /* * rmapbt startblock corresponding to start_daddr, if the record came * from an rmap btree. */ xfs_agblock_t rec_key; }; int xfs_ioc_getfsmap(struct xfs_inode *ip, struct fsmap_head __user *arg); #endif /* __XFS_FSMAP_H__ */