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1// SPDX-License-Identifier: GPL-2.02/*3 * Copyright (c) 2000-2006 Silicon Graphics, Inc.4 * All Rights Reserved.5 */6#ifndef XFS_SYNC_H7#define XFS_SYNC_H 18 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#endif85