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 9struct xfs_mount; 10struct xfs_perag; 11 12struct 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 45int 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 */ 49struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino); 50void xfs_inode_free(struct xfs_inode *ip); 51 52void xfs_reclaim_worker(struct work_struct *work); 53 54void xfs_reclaim_inodes(struct xfs_mount *mp); 55long xfs_reclaim_inodes_count(struct xfs_mount *mp); 56long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan); 57 58void xfs_inode_mark_reclaimable(struct xfs_inode *ip); 59 60int 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); 63int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags); 64int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm); 65int xfs_blockgc_flush_all(struct xfs_mount *mp); 66 67void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); 68void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); 69 70void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip); 71void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); 72 73void xfs_blockgc_worker(struct work_struct *work); 74void xfs_blockgc_stop(struct xfs_mount *mp); 75void xfs_blockgc_start(struct xfs_mount *mp); 76 77void xfs_inodegc_worker(struct work_struct *work); 78void xfs_inodegc_push(struct xfs_mount *mp); 79int xfs_inodegc_flush(struct xfs_mount *mp); 80void xfs_inodegc_stop(struct xfs_mount *mp); 81void xfs_inodegc_start(struct xfs_mount *mp); 82int xfs_inodegc_register_shrinker(struct xfs_mount *mp); 83 84#endif 85