2 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
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.
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.
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
18 #ifndef __XFS_INODE_ITEM_H__
19 #define __XFS_INODE_ITEM_H__
22 * This is the structure used to lay out an inode log item in the
23 * log. The size of the inline data/extents/b-tree root to be logged
24 * (if any) is indicated in the ilf_dsize field. Changes to this structure
25 * must be added on to the end.
27 typedef struct xfs_inode_log_format {
28 __uint16_t ilf_type; /* inode log item type */
29 __uint16_t ilf_size; /* size of this item */
30 __uint32_t ilf_fields; /* flags for fields logged */
31 __uint16_t ilf_asize; /* size of attr d/ext/root */
32 __uint16_t ilf_dsize; /* size of data/ext/root */
33 __uint64_t ilf_ino; /* inode number */
35 __uint32_t ilfu_rdev; /* rdev value for dev inode*/
36 uuid_t ilfu_uuid; /* mount point value */
38 __int64_t ilf_blkno; /* blkno of inode buffer */
39 __int32_t ilf_len; /* len of inode buffer */
40 __int32_t ilf_boffset; /* off of inode in buffer */
41 } xfs_inode_log_format_t;
43 typedef struct xfs_inode_log_format_32 {
44 __uint16_t ilf_type; /* inode log item type */
45 __uint16_t ilf_size; /* size of this item */
46 __uint32_t ilf_fields; /* flags for fields logged */
47 __uint16_t ilf_asize; /* size of attr d/ext/root */
48 __uint16_t ilf_dsize; /* size of data/ext/root */
49 __uint64_t ilf_ino; /* inode number */
51 __uint32_t ilfu_rdev; /* rdev value for dev inode*/
52 uuid_t ilfu_uuid; /* mount point value */
54 __int64_t ilf_blkno; /* blkno of inode buffer */
55 __int32_t ilf_len; /* len of inode buffer */
56 __int32_t ilf_boffset; /* off of inode in buffer */
57 } __attribute__((packed)) xfs_inode_log_format_32_t;
59 typedef struct xfs_inode_log_format_64 {
60 __uint16_t ilf_type; /* inode log item type */
61 __uint16_t ilf_size; /* size of this item */
62 __uint32_t ilf_fields; /* flags for fields logged */
63 __uint16_t ilf_asize; /* size of attr d/ext/root */
64 __uint16_t ilf_dsize; /* size of data/ext/root */
65 __uint32_t ilf_pad; /* pad for 64 bit boundary */
66 __uint64_t ilf_ino; /* inode number */
68 __uint32_t ilfu_rdev; /* rdev value for dev inode*/
69 uuid_t ilfu_uuid; /* mount point value */
71 __int64_t ilf_blkno; /* blkno of inode buffer */
72 __int32_t ilf_len; /* len of inode buffer */
73 __int32_t ilf_boffset; /* off of inode in buffer */
74 } xfs_inode_log_format_64_t;
77 * Flags for xfs_trans_log_inode flags field.
79 #define XFS_ILOG_CORE 0x001 /* log standard inode fields */
80 #define XFS_ILOG_DDATA 0x002 /* log i_df.if_data */
81 #define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */
82 #define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */
83 #define XFS_ILOG_DEV 0x010 /* log the dev field */
84 #define XFS_ILOG_UUID 0x020 /* log the uuid field */
85 #define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */
86 #define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */
87 #define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */
89 #define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
90 XFS_ILOG_DBROOT | XFS_ILOG_DEV | \
91 XFS_ILOG_UUID | XFS_ILOG_ADATA | \
92 XFS_ILOG_AEXT | XFS_ILOG_ABROOT)
94 #define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
97 #define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
100 #define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \
101 XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \
102 XFS_ILOG_DEV | XFS_ILOG_UUID | \
103 XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
106 #define XFS_ILI_HOLD 0x1
107 #define XFS_ILI_IOLOCKED_EXCL 0x2
108 #define XFS_ILI_IOLOCKED_SHARED 0x4
110 #define XFS_ILI_IOLOCKED_ANY (XFS_ILI_IOLOCKED_EXCL | XFS_ILI_IOLOCKED_SHARED)
112 static inline int xfs_ilog_fbroot(int w)
114 return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT);
117 static inline int xfs_ilog_fext(int w)
119 return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
122 static inline int xfs_ilog_fdata(int w)
124 return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA);
130 struct xfs_bmbt_rec_64;
135 typedef struct xfs_inode_log_item {
136 xfs_log_item_t ili_item; /* common portion */
137 struct xfs_inode *ili_inode; /* inode ptr */
138 xfs_lsn_t ili_flush_lsn; /* lsn at last flush */
139 xfs_lsn_t ili_last_lsn; /* lsn at last transaction */
140 unsigned short ili_ilock_recur; /* lock recursion count */
141 unsigned short ili_iolock_recur; /* lock recursion count */
142 unsigned short ili_flags; /* misc flags */
143 unsigned short ili_logged; /* flushed logged data */
144 unsigned int ili_last_fields; /* fields when flushed */
145 struct xfs_bmbt_rec_64 *ili_extents_buf; /* array of logged
147 struct xfs_bmbt_rec_64 *ili_aextents_buf; /* array of logged
149 unsigned int ili_pushbuf_flag; /* one bit used in push_ail */
152 uint64_t ili_push_owner; /* one who sets pushbuf_flag
153 above gets to push the buf */
155 #ifdef XFS_TRANS_DEBUG
159 xfs_inode_log_format_t ili_format; /* logged structure */
160 } xfs_inode_log_item_t;
163 static inline int xfs_inode_clean(xfs_inode_t *ip)
165 return (!ip->i_itemp ||
166 !(ip->i_itemp->ili_format.ilf_fields & XFS_ILOG_ALL)) &&
170 extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
171 extern void xfs_inode_item_destroy(struct xfs_inode *);
172 extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *);
173 extern void xfs_istale_done(struct xfs_buf *, xfs_inode_log_item_t *);
174 extern void xfs_iflush_abort(struct xfs_inode *);
175 extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
176 xfs_inode_log_format_t *);
178 #endif /* __KERNEL__ */
180 #endif /* __XFS_INODE_ITEM_H__ */