xref: /openbmc/linux/fs/xfs/libxfs/xfs_ag_resv.h (revision dea54fba)
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 __XFS_AG_RESV_H__
21 #define	__XFS_AG_RESV_H__
22 
23 int xfs_ag_resv_free(struct xfs_perag *pag);
24 int xfs_ag_resv_init(struct xfs_perag *pag);
25 
26 bool xfs_ag_resv_critical(struct xfs_perag *pag, enum xfs_ag_resv_type type);
27 xfs_extlen_t xfs_ag_resv_needed(struct xfs_perag *pag,
28 		enum xfs_ag_resv_type type);
29 
30 void xfs_ag_resv_alloc_extent(struct xfs_perag *pag, enum xfs_ag_resv_type type,
31 		struct xfs_alloc_arg *args);
32 void xfs_ag_resv_free_extent(struct xfs_perag *pag, enum xfs_ag_resv_type type,
33 		struct xfs_trans *tp, xfs_extlen_t len);
34 
35 #endif	/* __XFS_AG_RESV_H__ */
36