85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2000-2006 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#ifndef XFS_SYNC_H
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#define XFS_SYNC_H 1
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struct xfs_mount;
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struct xfs_perag;
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struct xfs_icwalk {
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__u32 icw_flags;
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kuid_t icw_uid;
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kgid_t icw_gid;
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prid_t icw_prid;
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__u64 icw_min_file_size;
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long icw_scan_limit;
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};
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/* Flags that reflect xfs_fs_eofblocks functionality. */
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#define XFS_ICWALK_FLAG_SYNC (1U << 0) /* sync/wait mode scan */
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#define XFS_ICWALK_FLAG_UID (1U << 1) /* filter by uid */
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#define XFS_ICWALK_FLAG_GID (1U << 2) /* filter by gid */
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#define XFS_ICWALK_FLAG_PRID (1U << 3) /* filter by project id */
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#define XFS_ICWALK_FLAG_MINFILESIZE (1U << 4) /* filter by min file size */
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#define XFS_ICWALK_FLAGS_VALID (XFS_ICWALK_FLAG_SYNC | \
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XFS_ICWALK_FLAG_UID | \
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XFS_ICWALK_FLAG_GID | \
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XFS_ICWALK_FLAG_PRID | \
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XFS_ICWALK_FLAG_MINFILESIZE)
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/*
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* Flags for xfs_iget()
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*/
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#define XFS_IGET_CREATE (1U << 0)
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#define XFS_IGET_UNTRUSTED (1U << 1)
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#define XFS_IGET_DONTCACHE (1U << 2)
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/* don't read from disk or reinit */
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#define XFS_IGET_INCORE (1U << 3)
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/* Return -EAGAIN immediately if the inode is unavailable. */
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#define XFS_IGET_NORETRY (1U << 4)
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int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
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uint flags, uint lock_flags, xfs_inode_t **ipp);
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/* recovery needs direct inode allocation capability */
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struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
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void xfs_inode_free(struct xfs_inode *ip);
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void xfs_reclaim_worker(struct work_struct *work);
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void xfs_reclaim_inodes(struct xfs_mount *mp);
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long xfs_reclaim_inodes_count(struct xfs_mount *mp);
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long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan);
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void xfs_inode_mark_reclaimable(struct xfs_inode *ip);
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int xfs_blockgc_free_dquots(struct xfs_mount *mp, struct xfs_dquot *udqp,
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struct xfs_dquot *gdqp, struct xfs_dquot *pdqp,
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unsigned int iwalk_flags);
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int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags);
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int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm);
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int xfs_blockgc_flush_all(struct xfs_mount *mp);
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void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
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void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
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void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
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void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
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void xfs_blockgc_worker(struct work_struct *work);
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void xfs_blockgc_stop(struct xfs_mount *mp);
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void xfs_blockgc_start(struct xfs_mount *mp);
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void xfs_inodegc_worker(struct work_struct *work);
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void xfs_inodegc_push(struct xfs_mount *mp);
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int xfs_inodegc_flush(struct xfs_mount *mp);
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void xfs_inodegc_stop(struct xfs_mount *mp);
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void xfs_inodegc_start(struct xfs_mount *mp);
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int xfs_inodegc_register_shrinker(struct xfs_mount *mp);
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#endif
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