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 #define SYNC_WAIT 0x0001 /* wait for i/o to complete */ 21 #define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */ 22 23 /* 24 * tags for inode radix tree 25 */ 26 #define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup 27 in xfs_inode_walk */ 28 #define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */ 29 #define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */ 30 #define XFS_ICI_COWBLOCKS_TAG 2 /* inode can have cow blocks to gc */ 31 32 /* 33 * Flags for xfs_iget() 34 */ 35 #define XFS_IGET_CREATE 0x1 36 #define XFS_IGET_UNTRUSTED 0x2 37 #define XFS_IGET_DONTCACHE 0x4 38 #define XFS_IGET_INCORE 0x8 /* don't read from disk or reinit */ 39 40 /* 41 * flags for AG inode iterator 42 */ 43 #define XFS_INODE_WALK_INEW_WAIT 0x1 /* wait on new inodes */ 44 45 int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino, 46 uint flags, uint lock_flags, xfs_inode_t **ipp); 47 48 /* recovery needs direct inode allocation capability */ 49 struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino); 50 void xfs_inode_free(struct xfs_inode *ip); 51 52 void xfs_reclaim_worker(struct work_struct *work); 53 54 int xfs_reclaim_inodes(struct xfs_mount *mp, int mode); 55 int xfs_reclaim_inodes_count(struct xfs_mount *mp); 56 long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan); 57 58 void xfs_inode_set_reclaim_tag(struct xfs_inode *ip); 59 60 void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); 61 void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); 62 int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); 63 int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip); 64 void xfs_eofblocks_worker(struct work_struct *); 65 void xfs_queue_eofblocks(struct xfs_mount *); 66 67 void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip); 68 void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); 69 int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *); 70 int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip); 71 void xfs_cowblocks_worker(struct work_struct *); 72 void xfs_queue_cowblocks(struct xfs_mount *); 73 74 int xfs_inode_walk(struct xfs_mount *mp, int iter_flags, 75 int (*execute)(struct xfs_inode *ip, void *args), 76 void *args, int tag); 77 78 int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp, 79 xfs_ino_t ino, bool *inuse); 80 81 void xfs_stop_block_reaping(struct xfs_mount *mp); 82 void xfs_start_block_reaping(struct xfs_mount *mp); 83 84 #endif 85