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37b3b4d6 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
cf8ce220 DW |
2 | /* |
3 | * Copyright (C) 2016 Oracle. All Rights Reserved. | |
cf8ce220 | 4 | * Author: Darrick J. Wong <darrick.wong@oracle.com> |
cf8ce220 DW |
5 | */ |
6 | #ifndef __XFS_AG_RESV_H__ | |
7 | #define __XFS_AG_RESV_H__ | |
8 | ||
9 | int xfs_ag_resv_free(struct xfs_perag *pag); | |
0d802327 | 10 | int xfs_ag_resv_init(struct xfs_perag *pag, struct xfs_trans *tp); |
cf8ce220 DW |
11 | |
12 | bool xfs_ag_resv_critical(struct xfs_perag *pag, enum xfs_ag_resv_type type); | |
13 | xfs_extlen_t xfs_ag_resv_needed(struct xfs_perag *pag, | |
14 | enum xfs_ag_resv_type type); | |
15 | ||
16 | void xfs_ag_resv_alloc_extent(struct xfs_perag *pag, enum xfs_ag_resv_type type, | |
17 | struct xfs_alloc_arg *args); | |
18 | void xfs_ag_resv_free_extent(struct xfs_perag *pag, enum xfs_ag_resv_type type, | |
19 | struct xfs_trans *tp, xfs_extlen_t len); | |
20 | ||
9760cac2 BF |
21 | /* |
22 | * RMAPBT reservation accounting wrappers. Since rmapbt blocks are sourced from | |
23 | * the AGFL, they are allocated one at a time and the reservation updates don't | |
24 | * require a transaction. | |
25 | */ | |
26 | static inline void | |
27 | xfs_ag_resv_rmapbt_alloc( | |
28 | struct xfs_mount *mp, | |
29 | xfs_agnumber_t agno) | |
30 | { | |
e66d0a46 | 31 | struct xfs_alloc_arg args = { NULL }; |
9760cac2 BF |
32 | struct xfs_perag *pag; |
33 | ||
34 | args.len = 1; | |
35 | pag = xfs_perag_get(mp, agno); | |
36 | xfs_ag_resv_alloc_extent(pag, XFS_AG_RESV_RMAPBT, &args); | |
37 | xfs_perag_put(pag); | |
38 | } | |
39 | ||
40 | static inline void | |
41 | xfs_ag_resv_rmapbt_free( | |
42 | struct xfs_mount *mp, | |
43 | xfs_agnumber_t agno) | |
44 | { | |
45 | struct xfs_perag *pag; | |
46 | ||
47 | pag = xfs_perag_get(mp, agno); | |
48 | xfs_ag_resv_free_extent(pag, XFS_AG_RESV_RMAPBT, NULL, 1); | |
49 | xfs_perag_put(pag); | |
50 | } | |
51 | ||
cf8ce220 | 52 | #endif /* __XFS_AG_RESV_H__ */ |