| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * Copyright (c) 2000-2006 Silicon Graphics, Inc. |
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| 4 | * All Rights Reserved. |
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| 5 | */ |
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| 6 | #ifndef XFS_SYNC_H |
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| 7 | #define XFS_SYNC_H 1 |
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| 8 | |
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| 9 | struct xfs_mount; |
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| 10 | struct xfs_perag; |
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| 11 | |
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| 12 | struct xfs_icwalk { |
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| 13 | __u32 icw_flags; |
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| 14 | kuid_t icw_uid; |
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| 15 | kgid_t icw_gid; |
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| 16 | prid_t icw_prid; |
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| 17 | __u64 icw_min_file_size; |
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| 18 | long icw_scan_limit; |
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| 19 | }; |
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| 20 | |
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| 21 | /* Flags that reflect xfs_fs_eofblocks functionality. */ |
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| 22 | #define XFS_ICWALK_FLAG_SYNC (1U << 0) /* sync/wait mode scan */ |
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| 23 | #define XFS_ICWALK_FLAG_UID (1U << 1) /* filter by uid */ |
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| 24 | #define XFS_ICWALK_FLAG_GID (1U << 2) /* filter by gid */ |
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| 25 | #define XFS_ICWALK_FLAG_PRID (1U << 3) /* filter by project id */ |
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| 26 | #define XFS_ICWALK_FLAG_MINFILESIZE (1U << 4) /* filter by min file size */ |
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| 27 | |
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| 28 | #define XFS_ICWALK_FLAGS_VALID (XFS_ICWALK_FLAG_SYNC | \ |
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| 29 | XFS_ICWALK_FLAG_UID | \ |
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| 30 | XFS_ICWALK_FLAG_GID | \ |
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| 31 | XFS_ICWALK_FLAG_PRID | \ |
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| 32 | XFS_ICWALK_FLAG_MINFILESIZE) |
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| 33 | |
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| 34 | /* |
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| 35 | * Flags for xfs_iget() |
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| 36 | */ |
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| 37 | #define XFS_IGET_CREATE (1U << 0) |
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| 38 | #define XFS_IGET_UNTRUSTED (1U << 1) |
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| 39 | #define XFS_IGET_DONTCACHE (1U << 2) |
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| 40 | /* don't read from disk or reinit */ |
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| 41 | #define XFS_IGET_INCORE (1U << 3) |
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| 42 | /* Return -EAGAIN immediately if the inode is unavailable. */ |
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| 43 | #define XFS_IGET_NORETRY (1U << 4) |
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| 44 | |
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| 45 | int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino, |
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| 46 | uint flags, uint lock_flags, xfs_inode_t **ipp); |
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| 47 | |
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| 48 | /* recovery needs direct inode allocation capability */ |
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| 49 | struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino); |
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| 50 | void xfs_inode_free(struct xfs_inode *ip); |
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| 51 | |
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| 52 | void xfs_reclaim_worker(struct work_struct *work); |
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| 53 | |
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| 54 | void xfs_reclaim_inodes(struct xfs_mount *mp); |
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| 55 | long xfs_reclaim_inodes_count(struct xfs_mount *mp); |
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| 56 | long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan); |
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| 57 | |
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| 58 | void xfs_inode_mark_reclaimable(struct xfs_inode *ip); |
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| 59 | |
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| 60 | int xfs_blockgc_free_dquots(struct xfs_mount *mp, struct xfs_dquot *udqp, |
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| 61 | struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, |
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| 62 | unsigned int iwalk_flags); |
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| 63 | int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags); |
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| 64 | int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm); |
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| 65 | int xfs_blockgc_flush_all(struct xfs_mount *mp); |
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| 66 | |
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| 67 | void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); |
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| 68 | void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); |
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| 69 | |
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| 70 | void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip); |
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| 71 | void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); |
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| 72 | |
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| 73 | void xfs_blockgc_worker(struct work_struct *work); |
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| 74 | void xfs_blockgc_stop(struct xfs_mount *mp); |
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| 75 | void xfs_blockgc_start(struct xfs_mount *mp); |
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| 76 | |
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| 77 | void xfs_inodegc_worker(struct work_struct *work); |
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| 78 | void xfs_inodegc_push(struct xfs_mount *mp); |
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| 79 | int xfs_inodegc_flush(struct xfs_mount *mp); |
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| 80 | void xfs_inodegc_stop(struct xfs_mount *mp); |
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| 81 | void xfs_inodegc_start(struct xfs_mount *mp); |
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| 82 | int xfs_inodegc_register_shrinker(struct xfs_mount *mp); |
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| 83 | |
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| 84 | #endif |
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| 85 | |
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