1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2000-2006 Silicon Graphics, Inc. 4*4882a593Smuzhiyun * All Rights Reserved. 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun #ifndef XFS_SYNC_H 7*4882a593Smuzhiyun #define XFS_SYNC_H 1 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun struct xfs_mount; 10*4882a593Smuzhiyun struct xfs_perag; 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun struct xfs_eofblocks { 13*4882a593Smuzhiyun __u32 eof_flags; 14*4882a593Smuzhiyun kuid_t eof_uid; 15*4882a593Smuzhiyun kgid_t eof_gid; 16*4882a593Smuzhiyun prid_t eof_prid; 17*4882a593Smuzhiyun __u64 eof_min_file_size; 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun /* 21*4882a593Smuzhiyun * tags for inode radix tree 22*4882a593Smuzhiyun */ 23*4882a593Smuzhiyun #define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup 24*4882a593Smuzhiyun in xfs_inode_walk */ 25*4882a593Smuzhiyun #define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */ 26*4882a593Smuzhiyun #define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */ 27*4882a593Smuzhiyun #define XFS_ICI_COWBLOCKS_TAG 2 /* inode can have cow blocks to gc */ 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /* 30*4882a593Smuzhiyun * Flags for xfs_iget() 31*4882a593Smuzhiyun */ 32*4882a593Smuzhiyun #define XFS_IGET_CREATE 0x1 33*4882a593Smuzhiyun #define XFS_IGET_UNTRUSTED 0x2 34*4882a593Smuzhiyun #define XFS_IGET_DONTCACHE 0x4 35*4882a593Smuzhiyun #define XFS_IGET_INCORE 0x8 /* don't read from disk or reinit */ 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun /* 38*4882a593Smuzhiyun * flags for AG inode iterator 39*4882a593Smuzhiyun */ 40*4882a593Smuzhiyun #define XFS_INODE_WALK_INEW_WAIT 0x1 /* wait on new inodes */ 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino, 43*4882a593Smuzhiyun uint flags, uint lock_flags, xfs_inode_t **ipp); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun /* recovery needs direct inode allocation capability */ 46*4882a593Smuzhiyun struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino); 47*4882a593Smuzhiyun void xfs_inode_free(struct xfs_inode *ip); 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun void xfs_reclaim_worker(struct work_struct *work); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun void xfs_reclaim_inodes(struct xfs_mount *mp); 52*4882a593Smuzhiyun int xfs_reclaim_inodes_count(struct xfs_mount *mp); 53*4882a593Smuzhiyun long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan); 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun void xfs_inode_set_reclaim_tag(struct xfs_inode *ip); 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); 58*4882a593Smuzhiyun void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); 59*4882a593Smuzhiyun int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); 60*4882a593Smuzhiyun int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip); 61*4882a593Smuzhiyun void xfs_eofblocks_worker(struct work_struct *); 62*4882a593Smuzhiyun void xfs_queue_eofblocks(struct xfs_mount *); 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip); 65*4882a593Smuzhiyun void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); 66*4882a593Smuzhiyun int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *); 67*4882a593Smuzhiyun int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip); 68*4882a593Smuzhiyun void xfs_cowblocks_worker(struct work_struct *); 69*4882a593Smuzhiyun void xfs_queue_cowblocks(struct xfs_mount *); 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun int xfs_inode_walk(struct xfs_mount *mp, int iter_flags, 72*4882a593Smuzhiyun int (*execute)(struct xfs_inode *ip, void *args), 73*4882a593Smuzhiyun void *args, int tag); 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp, 76*4882a593Smuzhiyun xfs_ino_t ino, bool *inuse); 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun void xfs_stop_block_reaping(struct xfs_mount *mp); 79*4882a593Smuzhiyun void xfs_start_block_reaping(struct xfs_mount *mp); 80*4882a593Smuzhiyun 81*4882a593Smuzhiyun #endif 82