// SPDX-License-Identifier: GPL-2.0

  /*

   * Copyright (c) 2000,2005 Silicon Graphics, Inc.
   * All Rights Reserved.

   */
  #ifndef	__XFS_INODE_ITEM_H__
  #define	__XFS_INODE_ITEM_H__

  /* kernel only definitions */

  
  struct xfs_buf;

  struct xfs_bmbt_rec;

  struct xfs_inode;
  struct xfs_mount;

  struct xfs_inode_log_item {

  	struct xfs_log_item	ili_item;	   /* common portion */

  	struct xfs_inode	*ili_inode;	   /* inode ptr */

  	unsigned short		ili_lock_flags;	   /* inode lock flags */
  	/*
  	 * The ili_lock protects the interactions between the dirty state and
  	 * the flush state of the inode log item. This allows us to do atomic
  	 * modifications of multiple state fields without having to hold a
  	 * specific inode lock to serialise them.
  	 *
  	 * We need atomic changes between inode dirtying, inode flushing and
  	 * inode completion, but these all hold different combinations of

  	 * ILOCK and IFLUSHING and hence we need some other method of
  	 * serialising updates to the flush state.

  	 */
  	spinlock_t		ili_lock;	   /* flush state lock */

  	unsigned int		ili_last_fields;   /* fields when flushed */

  	unsigned int		ili_fields;	   /* fields to be logged */

  	unsigned int		ili_fsync_fields;  /* logged since last fsync */

  	xfs_lsn_t		ili_flush_lsn;	   /* lsn at last flush */
  	xfs_lsn_t		ili_last_lsn;	   /* lsn at last transaction */

  };

  static inline int xfs_inode_clean(struct xfs_inode *ip)

  {

  	return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL);

  }

  extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
  extern void xfs_inode_item_destroy(struct xfs_inode *);

  extern void xfs_iflush_abort(struct xfs_inode *);

  extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,

  					 struct xfs_inode_log_format *);

  extern struct kmem_zone	*xfs_ili_zone;

  
  #endif	/* __XFS_INODE_ITEM_H__ */