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1// SPDX-License-Identifier: GPL-2.02/*3 * Copyright (c) 2000,2005 Silicon Graphics, Inc.4 * All Rights Reserved.5 */6#ifndef __XFS_INODE_ITEM_H__7#define __XFS_INODE_ITEM_H__8 9/* kernel only definitions */10 11struct xfs_buf;12struct xfs_bmbt_rec;13struct xfs_inode;14struct xfs_mount;15 16struct xfs_inode_log_item {17 struct xfs_log_item ili_item; /* common portion */18 struct xfs_inode *ili_inode; /* inode ptr */19 unsigned short ili_lock_flags; /* inode lock flags */20 unsigned int ili_dirty_flags; /* dirty in current tx */21 /*22 * The ili_lock protects the interactions between the dirty state and23 * the flush state of the inode log item. This allows us to do atomic24 * modifications of multiple state fields without having to hold a25 * specific inode lock to serialise them.26 *27 * We need atomic changes between inode dirtying, inode flushing and28 * inode completion, but these all hold different combinations of29 * ILOCK and IFLUSHING and hence we need some other method of30 * serialising updates to the flush state.31 */32 spinlock_t ili_lock; /* flush state lock */33 unsigned int ili_last_fields; /* fields when flushed */34 unsigned int ili_fields; /* fields to be logged */35 unsigned int ili_fsync_fields; /* logged since last fsync */36 xfs_lsn_t ili_flush_lsn; /* lsn at last flush */37 xfs_csn_t ili_commit_seq; /* last transaction commit */38};39 40static inline int xfs_inode_clean(struct xfs_inode *ip)41{42 return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL);43}44 45extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);46extern void xfs_inode_item_destroy(struct xfs_inode *);47extern void xfs_iflush_abort(struct xfs_inode *);48extern void xfs_iflush_shutdown_abort(struct xfs_inode *);49extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,50 struct xfs_inode_log_format *);51 52extern struct kmem_cache *xfs_ili_cache;53 54#endif /* __XFS_INODE_ITEM_H__ */55