cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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xfs_icache.h (2895B)

      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		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
     42int 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 */
     46struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
     47void xfs_inode_free(struct xfs_inode *ip);
     48
     49void xfs_reclaim_worker(struct work_struct *work);
     50
     51void xfs_reclaim_inodes(struct xfs_mount *mp);
     52long xfs_reclaim_inodes_count(struct xfs_mount *mp);
     53long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan);
     54
     55void xfs_inode_mark_reclaimable(struct xfs_inode *ip);
     56
     57int 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);
     60int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags);
     61int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm);
     62void xfs_blockgc_flush_all(struct xfs_mount *mp);
     63
     64void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
     65void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
     66
     67void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
     68void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
     69
     70void xfs_blockgc_worker(struct work_struct *work);
     71
     72int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp,
     73				  xfs_ino_t ino, bool *inuse);
     74
     75void xfs_blockgc_stop(struct xfs_mount *mp);
     76void xfs_blockgc_start(struct xfs_mount *mp);
     77
     78void xfs_inodegc_worker(struct work_struct *work);
     79void xfs_inodegc_push(struct xfs_mount *mp);
     80void xfs_inodegc_flush(struct xfs_mount *mp);
     81void xfs_inodegc_stop(struct xfs_mount *mp);
     82void xfs_inodegc_start(struct xfs_mount *mp);
     83void xfs_inodegc_cpu_dead(struct xfs_mount *mp, unsigned int cpu);
     84int xfs_inodegc_register_shrinker(struct xfs_mount *mp);
     85
     86#endif