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