/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2018 Red Hat, Inc.
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* All rights reserved.
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*/
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#ifndef __LIBXFS_AG_H
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#define __LIBXFS_AG_H 1
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struct xfs_mount;
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struct xfs_trans;
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struct aghdr_init_data {
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/* per ag data */
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xfs_agblock_t agno; /* ag to init */
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xfs_extlen_t agsize; /* new AG size */
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struct list_head buffer_list; /* buffer writeback list */
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xfs_rfsblock_t nfree; /* cumulative new free space */
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/* per header data */
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xfs_daddr_t daddr; /* header location */
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size_t numblks; /* size of header */
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xfs_btnum_t type; /* type of btree root block */
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};
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int xfs_ag_init_headers(struct xfs_mount *mp, struct aghdr_init_data *id);
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int xfs_ag_extend_space(struct xfs_mount *mp, struct xfs_trans *tp,
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struct aghdr_init_data *id, xfs_extlen_t len);
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int xfs_ag_get_geometry(struct xfs_mount *mp, xfs_agnumber_t agno,
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struct xfs_ag_geometry *ageo);
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#endif /* __LIBXFS_AG_H */
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