1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
6 #ifndef __XFS_INODE_ITEM_H__
7 #define __XFS_INODE_ITEM_H__
9 /* kernel only definitions */
16 struct 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 */
21 * The ili_lock protects the interactions between the dirty state and
22 * the flush state of the inode log item. This allows us to do atomic
23 * modifications of multiple state fields without having to hold a
24 * specific inode lock to serialise them.
26 * We need atomic changes between inode dirtying, inode flushing and
27 * inode completion, but these all hold different combinations of
28 * ILOCK and IFLUSHING and hence we need some other method of
29 * serialising updates to the flush state.
31 spinlock_t ili_lock; /* flush state lock */
32 unsigned int ili_last_fields; /* fields when flushed */
33 unsigned int ili_fields; /* fields to be logged */
34 unsigned int ili_fsync_fields; /* logged since last fsync */
35 xfs_lsn_t ili_flush_lsn; /* lsn at last flush */
36 xfs_csn_t ili_commit_seq; /* last transaction commit */
39 static inline int xfs_inode_clean(struct xfs_inode *ip)
41 return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL);
44 extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
45 extern void xfs_inode_item_destroy(struct xfs_inode *);
46 extern void xfs_iflush_abort(struct xfs_inode *);
47 extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
48 struct xfs_inode_log_format *);
50 extern struct kmem_cache *xfs_ili_cache;
52 #endif /* __XFS_INODE_ITEM_H__ */