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- // 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_csn_t ili_commit_seq; /* last transaction commit */
- };
- 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 void xfs_iflush_shutdown_abort(struct xfs_inode *);
- extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
- struct xfs_inode_log_format *);
- extern struct kmem_cache *xfs_ili_cache;
- #endif /* __XFS_INODE_ITEM_H__ */
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