1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6 #ifndef __XFS_RTALLOC_H__
7 #define __XFS_RTALLOC_H__
8
9 /* kernel only definitions and functions */
10
11 struct xfs_mount;
12 struct xfs_trans;
13
14 #ifdef CONFIG_XFS_RT
15 /*
16 * Initialize realtime fields in the mount structure.
17 */
18 int /* error */
19 xfs_rtmount_init(
20 struct xfs_mount *mp); /* file system mount structure */
21 void
22 xfs_rtunmount_inodes(
23 struct xfs_mount *mp);
24
25 /*
26 * Get the bitmap and summary inodes into the mount structure
27 * at mount time.
28 */
29 int /* error */
30 xfs_rtmount_inodes(
31 struct xfs_mount *mp); /* file system mount structure */
32
33 /*
34 * Grow the realtime area of the filesystem.
35 */
36 int
37 xfs_growfs_rt(
38 struct xfs_mount *mp, /* file system mount structure */
39 xfs_growfs_rt_t *in); /* user supplied growfs struct */
40
41 int xfs_rtalloc_reinit_frextents(struct xfs_mount *mp);
42 #else
43 # define xfs_growfs_rt(mp,in) (-ENOSYS)
44 # define xfs_rtalloc_reinit_frextents(m) (0)
45 static inline int /* error */
46 xfs_rtmount_init(
47 xfs_mount_t *mp) /* file system mount structure */
48 {
49 if (mp->m_sb.sb_rblocks == 0)
50 return 0;
51
52 xfs_warn(mp, "Not built with CONFIG_XFS_RT");
53 return -ENOSYS;
54 }
55 # define xfs_rtmount_inodes(m) (((mp)->m_sb.sb_rblocks == 0)? 0 : (-ENOSYS))
56 # define xfs_rtunmount_inodes(m)
57 #endif /* CONFIG_XFS_RT */
58
59 #endif /* __XFS_RTALLOC_H__ */
60
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