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 (1U << 0) 38 #define XFS_IGET_UNTRUSTED (1U << 1) 39 #define XFS_IGET_DONTCACHE (1U << 2) 40 /* don't read from disk or reinit */ 41 #define XFS_IGET_INCORE (1U << 3) 42 /* Return -EAGAIN immediately if the inode is unavailable. */ 43 #define XFS_IGET_NORETRY (1U << 4) 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 void xfs_reclaim_inodes(struct xfs_mount *mp); 55 long xfs_reclaim_inodes_count(struct xfs_mount *mp); 56 long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan); 57 58 void xfs_inode_mark_reclaimable(struct xfs_inode *ip); 59 60 int xfs_blockgc_free_dquots(struct xfs_mount *mp, struct xfs_dquot *udqp, 61 struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, 62 unsigned int iwalk_flags); 63 int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags); 64 int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm); 65 int xfs_blockgc_flush_all(struct xfs_mount *mp); 66 67 void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); 68 void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); 69 70 void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip); 71 void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); 72 73 void xfs_blockgc_worker(struct work_struct *work); 74 void xfs_blockgc_stop(struct xfs_mount *mp); 75 void xfs_blockgc_start(struct xfs_mount *mp); 76 77 void xfs_inodegc_worker(struct work_struct *work); 78 void xfs_inodegc_push(struct xfs_mount *mp); 79 int xfs_inodegc_flush(struct xfs_mount *mp); 80 void xfs_inodegc_stop(struct xfs_mount *mp); 81 void xfs_inodegc_start(struct xfs_mount *mp); 82 int xfs_inodegc_register_shrinker(struct xfs_mount *mp); 83 84 #endif 85