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_icwalk { 13 __u32 icw_flags; 14 kuid_t icw_uid; 15 kgid_t icw_gid; 16 prid_t icw_prid; 17 __u64 icw_min_file_size; 18 long icw_scan_limit; 19 }; 20 21 /* Flags that reflect xfs_fs_eofblocks functionality. */ 22 #define XFS_ICWALK_FLAG_SYNC (1U << 0) /* sync/wait mode scan */ 23 #define XFS_ICWALK_FLAG_UID (1U << 1) /* filter by uid */ 24 #define XFS_ICWALK_FLAG_GID (1U << 2) /* filter by gid */ 25 #define XFS_ICWALK_FLAG_PRID (1U << 3) /* filter by project id */ 26 #define XFS_ICWALK_FLAG_MINFILESIZE (1U << 4) /* filter by min file size */ 27 28 #define XFS_ICWALK_FLAGS_VALID (XFS_ICWALK_FLAG_SYNC | \ 29 XFS_ICWALK_FLAG_UID | \ 30 XFS_ICWALK_FLAG_GID | \ 31 XFS_ICWALK_FLAG_PRID | \ 32 XFS_ICWALK_FLAG_MINFILESIZE) 33 34 /* 35 * Flags for xfs_iget() 36 */ 37 #define XFS_IGET_CREATE 0x1 38 #define XFS_IGET_UNTRUSTED 0x2 39 #define XFS_IGET_DONTCACHE 0x4 40 #define XFS_IGET_INCORE 0x8 /* don't read from disk or reinit */ 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 long xfs_reclaim_inodes_count(struct xfs_mount *mp); 53 long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan); 54 55 void xfs_inode_mark_reclaimable(struct xfs_inode *ip); 56 57 int xfs_blockgc_free_dquots(struct xfs_mount *mp, struct xfs_dquot *udqp, 58 struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, 59 unsigned int iwalk_flags); 60 int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags); 61 int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm); 62 63 void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); 64 void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); 65 66 void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip); 67 void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); 68 69 void xfs_blockgc_worker(struct work_struct *work); 70 71 #ifdef CONFIG_XFS_QUOTA 72 int xfs_dqrele_all_inodes(struct xfs_mount *mp, unsigned int qflags); 73 #else 74 # define xfs_dqrele_all_inodes(mp, qflags) (0) 75 #endif 76 77 int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp, 78 xfs_ino_t ino, bool *inuse); 79 80 void xfs_blockgc_stop(struct xfs_mount *mp); 81 void xfs_blockgc_start(struct xfs_mount *mp); 82 83 #endif 84