Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2017 Oracle. All Rights Reserved.
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* Author: Darrick J. Wong <darrick.wong@oracle.com>
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*/
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#ifndef __XFS_FSMAP_H__
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#define __XFS_FSMAP_H__
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struct fsmap;
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struct fsmap_head;
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/* internal fsmap representation */
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struct xfs_fsmap {
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dev_t fmr_device; /* device id */
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uint32_t fmr_flags; /* mapping flags */
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uint64_t fmr_physical; /* device offset of segment */
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uint64_t fmr_owner; /* owner id */
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xfs_fileoff_t fmr_offset; /* file offset of segment */
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xfs_filblks_t fmr_length; /* length of segment, blocks */
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};
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struct xfs_fsmap_head {
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uint32_t fmh_iflags; /* control flags */
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uint32_t fmh_oflags; /* output flags */
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unsigned int fmh_count; /* # of entries in array incl. input */
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unsigned int fmh_entries; /* # of entries filled in (output). */
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struct xfs_fsmap fmh_keys[2]; /* low and high keys */
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};
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/* internal fsmap record format */
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struct xfs_fsmap_irec {
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xfs_daddr_t start_daddr;
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xfs_daddr_t len_daddr;
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uint64_t owner; /* extent owner */
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uint64_t offset; /* offset within the owner */
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unsigned int rm_flags; /* rmap state flags */
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/*
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* rmapbt startblock corresponding to start_daddr, if the record came
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* from an rmap btree.
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*/
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xfs_agblock_t rec_key;
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};
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int xfs_ioc_getfsmap(struct xfs_inode *ip, struct fsmap_head __user *arg);
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#endif /* __XFS_FSMAP_H__ */
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