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/* 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. 26 */ 27typedef 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 */ 34 union { 35 __uint32_t ilfu_rdev; /* rdev value for dev inode*/ 36 uuid_t ilfu_uuid; /* mount point value */ 37 } ilf_u; 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; 42 43#ifndef HAVE_FORMAT32 44typedef struct xfs_inode_log_format_32 { 45 __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 */ 51 union { 52 __uint32_t ilfu_rdev; /* rdev value for dev inode*/ 53 uuid_t ilfu_uuid; /* mount point value */ 54 } ilf_u; 55 __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 */ 58} __attribute__((packed)) xfs_inode_log_format_32_t; 59#endif 60 61typedef struct xfs_inode_log_format_64 { 62 __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 */ 69 union { 70 __uint32_t ilfu_rdev; /* rdev value for dev inode*/ 71 uuid_t ilfu_uuid; /* mount point value */ 72 } ilf_u; 73 __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 */ 76} xfs_inode_log_format_64_t; 77 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; 149 150 151#define XFS_ILOG_FDATA(w) xfs_ilog_fdata(w) 152static inline int xfs_ilog_fdata(int w) 153{ 154 return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA); 155} 156 157#endif /* __KERNEL__ */ 158 159#define XFS_ILOG_FBROOT(w) xfs_ilog_fbroot(w) 160static inline int xfs_ilog_fbroot(int w) 161{ 162 return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT); 163} 164 165#define XFS_ILOG_FEXT(w) xfs_ilog_fext(w) 166static inline int xfs_ilog_fext(int w) 167{ 168 return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT); 169} 170 171#ifdef __KERNEL__ 172 173extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *); 174extern void xfs_inode_item_destroy(struct xfs_inode *); 175extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *); 176extern void xfs_istale_done(struct xfs_buf *, xfs_inode_log_item_t *); 177extern void xfs_iflush_abort(struct xfs_inode *); 178extern int xfs_inode_item_format_convert(xfs_log_iovec_t *, 179 xfs_inode_log_format_t *); 180 181#endif /* __KERNEL__ */ 182 183#endif /* __XFS_INODE_ITEM_H__ */ 184