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