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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Nathan Scott7b718762005-11-02 14:58:39 +11002 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Nathan Scott7b718762005-11-02 14:58:39 +11005 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * published by the Free Software Foundation.
8 *
Nathan Scott7b718762005-11-02 14:58:39 +11009 * 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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 *
Nathan Scott7b718762005-11-02 14:58:39 +110014 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 */
18#ifndef __XFS_INODE_ITEM_H__
19#define __XFS_INODE_ITEM_H__
20
21/*
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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070026 */
27typedef struct xfs_inode_log_format {
Tim Shimmin128dabc2006-09-28 10:55:43 +100028 __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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 union {
Tim Shimmin128dabc2006-09-28 10:55:43 +100035 __uint32_t ilfu_rdev; /* rdev value for dev inode*/
Linus Torvalds1da177e2005-04-16 15:20:36 -070036 uuid_t ilfu_uuid; /* mount point value */
37 } ilf_u;
38 __int64_t ilf_blkno; /* blkno of inode buffer */
Tim Shimmin128dabc2006-09-28 10:55:43 +100039 __int32_t ilf_len; /* len of inode buffer */
40 __int32_t ilf_boffset; /* off of inode in buffer */
Linus Torvalds1da177e2005-04-16 15:20:36 -070041} xfs_inode_log_format_t;
42
Tim Shimmin128dabc2006-09-28 10:55:43 +100043#ifndef HAVE_FORMAT32
Tim Shimmin6d192a92006-06-09 14:55:38 +100044typedef struct xfs_inode_log_format_32 {
Tim Shimmin128dabc2006-09-28 10:55:43 +100045 __uint16_t ilf_type; /* inode log item type */
46 __uint16_t ilf_size; /* size of this item */
47 __uint32_t ilf_fields; /* flags for fields logged */
48 __uint16_t ilf_asize; /* size of attr d/ext/root */
49 __uint16_t ilf_dsize; /* size of data/ext/root */
50 __uint64_t ilf_ino; /* inode number */
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 union {
Tim Shimmin128dabc2006-09-28 10:55:43 +100052 __uint32_t ilfu_rdev; /* rdev value for dev inode*/
53 uuid_t ilfu_uuid; /* mount point value */
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 } ilf_u;
Tim Shimmin128dabc2006-09-28 10:55:43 +100055 __int64_t ilf_blkno; /* blkno of inode buffer */
56 __int32_t ilf_len; /* len of inode buffer */
57 __int32_t ilf_boffset; /* off of inode in buffer */
Tim Shimmin6d192a92006-06-09 14:55:38 +100058} __attribute__((packed)) xfs_inode_log_format_32_t;
Tim Shimmin128dabc2006-09-28 10:55:43 +100059#endif
Tim Shimmin6d192a92006-06-09 14:55:38 +100060
61typedef struct xfs_inode_log_format_64 {
Tim Shimmin128dabc2006-09-28 10:55:43 +100062 __uint16_t ilf_type; /* inode log item type */
63 __uint16_t ilf_size; /* size of this item */
64 __uint32_t ilf_fields; /* flags for fields logged */
65 __uint16_t ilf_asize; /* size of attr d/ext/root */
66 __uint16_t ilf_dsize; /* size of data/ext/root */
67 __uint32_t ilf_pad; /* pad for 64 bit boundary */
68 __uint64_t ilf_ino; /* inode number */
Tim Shimmin6d192a92006-06-09 14:55:38 +100069 union {
Tim Shimmin128dabc2006-09-28 10:55:43 +100070 __uint32_t ilfu_rdev; /* rdev value for dev inode*/
71 uuid_t ilfu_uuid; /* mount point value */
Tim Shimmin6d192a92006-06-09 14:55:38 +100072 } ilf_u;
Tim Shimmin128dabc2006-09-28 10:55:43 +100073 __int64_t ilf_blkno; /* blkno of inode buffer */
74 __int32_t ilf_len; /* len of inode buffer */
75 __int32_t ilf_boffset; /* off of inode in buffer */
Tim Shimmin6d192a92006-06-09 14:55:38 +100076} xfs_inode_log_format_64_t;
Linus Torvalds1da177e2005-04-16 15:20:36 -070077
78/*
79 * Flags for xfs_trans_log_inode flags field.
80 */
81#define XFS_ILOG_CORE 0x001 /* log standard inode fields */
82#define XFS_ILOG_DDATA 0x002 /* log i_df.if_data */
83#define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */
84#define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */
85#define XFS_ILOG_DEV 0x010 /* log the dev field */
86#define XFS_ILOG_UUID 0x020 /* log the uuid field */
87#define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */
88#define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */
89#define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */
90
91#define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
92 XFS_ILOG_DBROOT | XFS_ILOG_DEV | \
93 XFS_ILOG_UUID | XFS_ILOG_ADATA | \
94 XFS_ILOG_AEXT | XFS_ILOG_ABROOT)
95
96#define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
97 XFS_ILOG_DBROOT)
98
99#define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
100 XFS_ILOG_ABROOT)
101
102#define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \
103 XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \
104 XFS_ILOG_DEV | XFS_ILOG_UUID | \
105 XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
106 XFS_ILOG_ABROOT)
107
108#define XFS_ILI_HOLD 0x1
109#define XFS_ILI_IOLOCKED_EXCL 0x2
110#define XFS_ILI_IOLOCKED_SHARED 0x4
111
112#define XFS_ILI_IOLOCKED_ANY (XFS_ILI_IOLOCKED_EXCL | XFS_ILI_IOLOCKED_SHARED)
113
114
115#ifdef __KERNEL__
116
117struct xfs_buf;
118struct xfs_bmbt_rec_64;
119struct xfs_inode;
120struct xfs_mount;
121
122
123typedef struct xfs_inode_log_item {
124 xfs_log_item_t ili_item; /* common portion */
125 struct xfs_inode *ili_inode; /* inode ptr */
126 xfs_lsn_t ili_flush_lsn; /* lsn at last flush */
127 xfs_lsn_t ili_last_lsn; /* lsn at last transaction */
128 unsigned short ili_ilock_recur; /* lock recursion count */
129 unsigned short ili_iolock_recur; /* lock recursion count */
130 unsigned short ili_flags; /* misc flags */
131 unsigned short ili_logged; /* flushed logged data */
132 unsigned int ili_last_fields; /* fields when flushed */
133 struct xfs_bmbt_rec_64 *ili_extents_buf; /* array of logged
134 data exts */
135 struct xfs_bmbt_rec_64 *ili_aextents_buf; /* array of logged
136 attr exts */
137 unsigned int ili_pushbuf_flag; /* one bit used in push_ail */
138
139#ifdef DEBUG
140 uint64_t ili_push_owner; /* one who sets pushbuf_flag
141 above gets to push the buf */
142#endif
143#ifdef XFS_TRANS_DEBUG
144 int ili_root_size;
145 char *ili_orig_root;
146#endif
147 xfs_inode_log_format_t ili_format; /* logged structure */
148} xfs_inode_log_item_t;
149
150
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151#define XFS_ILOG_FDATA(w) xfs_ilog_fdata(w)
Nathan Scotta844f452005-11-02 14:38:42 +1100152static inline int xfs_ilog_fdata(int w)
153{
154 return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA);
155}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156
157#endif /* __KERNEL__ */
158
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159#define XFS_ILOG_FBROOT(w) xfs_ilog_fbroot(w)
Nathan Scotta844f452005-11-02 14:38:42 +1100160static inline int xfs_ilog_fbroot(int w)
161{
162 return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT);
163}
164
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165#define XFS_ILOG_FEXT(w) xfs_ilog_fext(w)
Nathan Scotta844f452005-11-02 14:38:42 +1100166static inline int xfs_ilog_fext(int w)
167{
168 return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
169}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170
David Chinner33540402008-03-06 13:43:59 +1100171static inline int xfs_inode_clean(xfs_inode_t *ip)
172{
173 return (!ip->i_itemp ||
174 !(ip->i_itemp->ili_format.ilf_fields & XFS_ILOG_ALL)) &&
175 !ip->i_update_core;
176}
177
178
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179#ifdef __KERNEL__
180
Nathan Scotta844f452005-11-02 14:38:42 +1100181extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
182extern void xfs_inode_item_destroy(struct xfs_inode *);
183extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *);
184extern void xfs_istale_done(struct xfs_buf *, xfs_inode_log_item_t *);
185extern void xfs_iflush_abort(struct xfs_inode *);
Tim Shimmin6d192a92006-06-09 14:55:38 +1000186extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
187 xfs_inode_log_format_t *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188
189#endif /* __KERNEL__ */
190
191#endif /* __XFS_INODE_ITEM_H__ */