mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-20 02:34:23 +08:00
390600f811
The incore inode walk code passes a flags argument and a pointer from the xfs_inode_ag_iterator caller all the way to the iteration function. We can reduce the function complexity by passing flags through the private pointer. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com>
85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2000-2006 Silicon Graphics, Inc.
|
|
* All Rights Reserved.
|
|
*/
|
|
#ifndef XFS_SYNC_H
|
|
#define XFS_SYNC_H 1
|
|
|
|
struct xfs_mount;
|
|
struct xfs_perag;
|
|
|
|
struct xfs_eofblocks {
|
|
__u32 eof_flags;
|
|
kuid_t eof_uid;
|
|
kgid_t eof_gid;
|
|
prid_t eof_prid;
|
|
__u64 eof_min_file_size;
|
|
};
|
|
|
|
#define SYNC_WAIT 0x0001 /* wait for i/o to complete */
|
|
#define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */
|
|
|
|
/*
|
|
* tags for inode radix tree
|
|
*/
|
|
#define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
|
|
in xfs_inode_ag_iterator */
|
|
#define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
|
|
#define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */
|
|
#define XFS_ICI_COWBLOCKS_TAG 2 /* inode can have cow blocks to gc */
|
|
|
|
/*
|
|
* Flags for xfs_iget()
|
|
*/
|
|
#define XFS_IGET_CREATE 0x1
|
|
#define XFS_IGET_UNTRUSTED 0x2
|
|
#define XFS_IGET_DONTCACHE 0x4
|
|
#define XFS_IGET_INCORE 0x8 /* don't read from disk or reinit */
|
|
|
|
/*
|
|
* flags for AG inode iterator
|
|
*/
|
|
#define XFS_AGITER_INEW_WAIT 0x1 /* wait on new inodes */
|
|
|
|
int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
|
|
uint flags, uint lock_flags, xfs_inode_t **ipp);
|
|
|
|
/* recovery needs direct inode allocation capability */
|
|
struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
|
|
void xfs_inode_free(struct xfs_inode *ip);
|
|
|
|
void xfs_reclaim_worker(struct work_struct *work);
|
|
|
|
int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
|
|
int xfs_reclaim_inodes_count(struct xfs_mount *mp);
|
|
long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
|
|
|
|
void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
|
|
|
|
void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
|
|
void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
|
|
int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *);
|
|
int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip);
|
|
void xfs_eofblocks_worker(struct work_struct *);
|
|
void xfs_queue_eofblocks(struct xfs_mount *);
|
|
|
|
void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
|
|
void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
|
|
int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *);
|
|
int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip);
|
|
void xfs_cowblocks_worker(struct work_struct *);
|
|
void xfs_queue_cowblocks(struct xfs_mount *);
|
|
|
|
int xfs_inode_ag_iterator(struct xfs_mount *mp, int iter_flags,
|
|
int (*execute)(struct xfs_inode *ip, void *args),
|
|
void *args, int tag);
|
|
|
|
int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp,
|
|
xfs_ino_t ino, bool *inuse);
|
|
|
|
void xfs_stop_block_reaping(struct xfs_mount *mp);
|
|
void xfs_start_block_reaping(struct xfs_mount *mp);
|
|
|
|
#endif
|