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1 | /* |
2 | * Copyright (C) 2016 Oracle. All Rights Reserved. | |
3 | * | |
4 | * Author: Darrick J. Wong <darrick.wong@oracle.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version 2 | |
9 | * of the License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it would be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write the Free Software Foundation, | |
18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
19 | */ | |
20 | #ifndef RMAP_H_ | |
21 | #define RMAP_H_ | |
22 | ||
23 | extern bool collect_rmaps; | |
24 | ||
25 | extern bool needs_rmap_work(struct xfs_mount *); | |
26 | ||
27 | extern void init_rmaps(struct xfs_mount *); | |
28 | extern void free_rmaps(struct xfs_mount *); | |
29 | ||
30 | extern int add_rmap(struct xfs_mount *, xfs_ino_t, int, struct xfs_bmbt_irec *); | |
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31 | extern int add_ag_rmap(struct xfs_mount *, xfs_agnumber_t agno, |
32 | xfs_agblock_t agbno, xfs_extlen_t len, uint64_t owner); | |
33 | extern int fold_raw_rmaps(struct xfs_mount *mp, xfs_agnumber_t agno); | |
34 | extern bool mergeable_rmaps(struct xfs_rmap_irec *r1, struct xfs_rmap_irec *r2); | |
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35 | |
36 | #endif /* RMAP_H_ */ |