xref: /openbmc/linux/fs/xfs/xfs_inode_item.h (revision 12eb4683)
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 
23 struct xfs_buf;
24 struct xfs_bmbt_rec;
25 struct xfs_inode;
26 struct xfs_mount;
27 
28 typedef 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 	struct xfs_bmbt_rec	*ili_extents_buf;  /* array of logged
38 						      data exts */
39 	struct xfs_bmbt_rec	*ili_aextents_buf; /* array of logged
40 						      attr exts */
41 	xfs_inode_log_format_t	ili_format;	   /* logged structure */
42 } xfs_inode_log_item_t;
43 
44 static inline int xfs_inode_clean(xfs_inode_t *ip)
45 {
46 	return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL);
47 }
48 
49 extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
50 extern void xfs_inode_item_destroy(struct xfs_inode *);
51 extern void xfs_iflush_done(struct xfs_buf *, struct xfs_log_item *);
52 extern void xfs_istale_done(struct xfs_buf *, struct xfs_log_item *);
53 extern void xfs_iflush_abort(struct xfs_inode *, bool);
54 extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
55 					 xfs_inode_log_format_t *);
56 
57 extern struct kmem_zone	*xfs_ili_zone;
58 
59 #endif	/* __XFS_INODE_ITEM_H__ */
60