1/*
 2 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
 3 * All Rights Reserved.
 4 *
 5 * This program is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU General Public License as
 7 * published by the Free Software Foundation.
 8 *
 9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
17 */
18#ifndef	__XFS_INODE_ITEM_H__
19#define	__XFS_INODE_ITEM_H__
20
21/* kernel only definitions */
22
23struct xfs_buf;
24struct xfs_bmbt_rec;
25struct xfs_inode;
26struct xfs_mount;
27
28typedef struct xfs_inode_log_item {
29	xfs_log_item_t		ili_item;	   /* common portion */
30	struct xfs_inode	*ili_inode;	   /* inode ptr */
31	xfs_lsn_t		ili_flush_lsn;	   /* lsn at last flush */
32	xfs_lsn_t		ili_last_lsn;	   /* lsn at last transaction */
33	unsigned short		ili_lock_flags;	   /* lock flags */
34	unsigned short		ili_logged;	   /* flushed logged data */
 
 
 
 
 
 
 
 
 
 
35	unsigned int		ili_last_fields;   /* fields when flushed */
36	unsigned int		ili_fields;	   /* fields to be logged */
37} xfs_inode_log_item_t;
 
 
 
38
39static inline int xfs_inode_clean(xfs_inode_t *ip)
40{
41	return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL);
42}
43
44extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
45extern void xfs_inode_item_destroy(struct xfs_inode *);
46extern void xfs_iflush_done(struct xfs_buf *, struct xfs_log_item *);
47extern void xfs_istale_done(struct xfs_buf *, struct xfs_log_item *);
48extern void xfs_iflush_abort(struct xfs_inode *, bool);
49extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
50					 xfs_inode_log_format_t *);
51
52extern struct kmem_zone	*xfs_ili_zone;
53
54#endif	/* __XFS_INODE_ITEM_H__ */

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 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 and
23	 * the flush state of the inode log item. This allows us to do atomic
24	 * modifications of multiple state fields without having to hold a
25	 * specific inode lock to serialise them.
26	 *
27	 * We need atomic changes between inode dirtying, inode flushing and
28	 * inode completion, but these all hold different combinations of
29	 * ILOCK and IFLUSHING and hence we need some other method of
30	 * 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__ */