82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2000-2006 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#ifndef XFS_SYNC_H
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#define XFS_SYNC_H 1
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struct xfs_mount;
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struct xfs_perag;
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struct xfs_eofblocks {
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__u32 eof_flags;
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kuid_t eof_uid;
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kgid_t eof_gid;
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prid_t eof_prid;
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__u64 eof_min_file_size;
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};
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/*
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* tags for inode radix tree
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*/
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#define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
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in xfs_inode_walk */
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#define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
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/* Inode has speculative preallocations (posteof or cow) to clean. */
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#define XFS_ICI_BLOCKGC_TAG 1
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/*
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* Flags for xfs_iget()
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*/
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#define XFS_IGET_CREATE 0x1
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#define XFS_IGET_UNTRUSTED 0x2
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#define XFS_IGET_DONTCACHE 0x4
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#define XFS_IGET_INCORE 0x8 /* don't read from disk or reinit */
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/*
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* flags for AG inode iterator
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*/
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#define XFS_INODE_WALK_INEW_WAIT 0x1 /* wait on new inodes */
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int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
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uint flags, uint lock_flags, xfs_inode_t **ipp);
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/* recovery needs direct inode allocation capability */
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struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
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void xfs_inode_free(struct xfs_inode *ip);
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void xfs_reclaim_worker(struct work_struct *work);
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void xfs_reclaim_inodes(struct xfs_mount *mp);
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int xfs_reclaim_inodes_count(struct xfs_mount *mp);
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long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
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void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
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int xfs_blockgc_free_dquots(struct xfs_mount *mp, struct xfs_dquot *udqp,
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struct xfs_dquot *gdqp, struct xfs_dquot *pdqp,
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unsigned int eof_flags);
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int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int eof_flags);
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int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_eofblocks *eofb);
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void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
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void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
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void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
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void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
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void xfs_blockgc_worker(struct work_struct *work);
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int xfs_inode_walk(struct xfs_mount *mp, int iter_flags,
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int (*execute)(struct xfs_inode *ip, void *args),
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void *args, int tag);
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int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp,
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xfs_ino_t ino, bool *inuse);
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void xfs_blockgc_stop(struct xfs_mount *mp);
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void xfs_blockgc_start(struct xfs_mount *mp);
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#endif
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