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 */ 27 typedef struct xfs_inode_log_format { 28 unsigned short ilf_type; /* inode log item type */ 29 unsigned short ilf_size; /* size of this item */ 30 uint ilf_fields; /* flags for fields logged */ 31 ushort ilf_asize; /* size of attr d/ext/root */ 32 ushort ilf_dsize; /* size of data/ext/root */ 33 xfs_ino_t ilf_ino; /* inode number */ 34 union { 35 xfs_dev_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 int ilf_len; /* len of inode buffer */ 40 int ilf_boffset; /* off of inode in buffer */ 41 } xfs_inode_log_format_t; 42 43 typedef struct xfs_inode_log_format_32 { 44 unsigned short ilf_type; /* 16: inode log item type */ 45 unsigned short ilf_size; /* 16: size of this item */ 46 uint ilf_fields; /* 32: flags for fields logged */ 47 ushort ilf_asize; /* 32: size of attr d/ext/root */ 48 ushort ilf_dsize; /* 32: size of data/ext/root */ 49 xfs_ino_t ilf_ino; /* 64: inode number */ 50 union { 51 xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/ 52 uuid_t ilfu_uuid; /* 128: mount point value */ 53 } ilf_u; 54 __int64_t ilf_blkno; /* 64: blkno of inode buffer */ 55 int ilf_len; /* 32: len of inode buffer */ 56 int ilf_boffset; /* 32: off of inode in buffer */ 57 } __attribute__((packed)) xfs_inode_log_format_32_t; 58 59 typedef struct xfs_inode_log_format_64 { 60 unsigned short ilf_type; /* 16: inode log item type */ 61 unsigned short ilf_size; /* 16: size of this item */ 62 uint ilf_fields; /* 32: flags for fields logged */ 63 ushort ilf_asize; /* 32: size of attr d/ext/root */ 64 ushort ilf_dsize; /* 32: size of data/ext/root */ 65 __uint32_t ilf_pad; /* 32: pad for 64 bit boundary */ 66 xfs_ino_t ilf_ino; /* 64: inode number */ 67 union { 68 xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/ 69 uuid_t ilfu_uuid; /* 128: mount point value */ 70 } ilf_u; 71 __int64_t ilf_blkno; /* 64: blkno of inode buffer */ 72 int ilf_len; /* 32: len of inode buffer */ 73 int ilf_boffset; /* 32: off of inode in buffer */ 74 } xfs_inode_log_format_64_t; 75 76 /* 77 * Flags for xfs_trans_log_inode flags field. 78 */ 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 */ 88 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) 93 94 #define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \ 95 XFS_ILOG_DBROOT) 96 97 #define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \ 98 XFS_ILOG_ABROOT) 99 100 #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 | \ 104 XFS_ILOG_ABROOT) 105 106 #define XFS_ILI_HOLD 0x1 107 #define XFS_ILI_IOLOCKED_EXCL 0x2 108 #define XFS_ILI_IOLOCKED_SHARED 0x4 109 110 #define XFS_ILI_IOLOCKED_ANY (XFS_ILI_IOLOCKED_EXCL | XFS_ILI_IOLOCKED_SHARED) 111 112 113 #ifdef __KERNEL__ 114 115 struct xfs_buf; 116 struct xfs_bmbt_rec_64; 117 struct xfs_inode; 118 struct xfs_mount; 119 120 121 typedef struct xfs_inode_log_item { 122 xfs_log_item_t ili_item; /* common portion */ 123 struct xfs_inode *ili_inode; /* inode ptr */ 124 xfs_lsn_t ili_flush_lsn; /* lsn at last flush */ 125 xfs_lsn_t ili_last_lsn; /* lsn at last transaction */ 126 unsigned short ili_ilock_recur; /* lock recursion count */ 127 unsigned short ili_iolock_recur; /* lock recursion count */ 128 unsigned short ili_flags; /* misc flags */ 129 unsigned short ili_logged; /* flushed logged data */ 130 unsigned int ili_last_fields; /* fields when flushed */ 131 struct xfs_bmbt_rec_64 *ili_extents_buf; /* array of logged 132 data exts */ 133 struct xfs_bmbt_rec_64 *ili_aextents_buf; /* array of logged 134 attr exts */ 135 unsigned int ili_pushbuf_flag; /* one bit used in push_ail */ 136 137 #ifdef DEBUG 138 uint64_t ili_push_owner; /* one who sets pushbuf_flag 139 above gets to push the buf */ 140 #endif 141 #ifdef XFS_TRANS_DEBUG 142 int ili_root_size; 143 char *ili_orig_root; 144 #endif 145 xfs_inode_log_format_t ili_format; /* logged structure */ 146 } xfs_inode_log_item_t; 147 148 149 #define XFS_ILOG_FDATA(w) xfs_ilog_fdata(w) 150 static inline int xfs_ilog_fdata(int w) 151 { 152 return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA); 153 } 154 155 #endif /* __KERNEL__ */ 156 157 #define XFS_ILOG_FBROOT(w) xfs_ilog_fbroot(w) 158 static inline int xfs_ilog_fbroot(int w) 159 { 160 return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT); 161 } 162 163 #define XFS_ILOG_FEXT(w) xfs_ilog_fext(w) 164 static inline int xfs_ilog_fext(int w) 165 { 166 return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT); 167 } 168 169 #ifdef __KERNEL__ 170 171 extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *); 172 extern void xfs_inode_item_destroy(struct xfs_inode *); 173 extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *); 174 extern void xfs_istale_done(struct xfs_buf *, xfs_inode_log_item_t *); 175 extern void xfs_iflush_abort(struct xfs_inode *); 176 extern int xfs_inode_item_format_convert(xfs_log_iovec_t *, 177 xfs_inode_log_format_t *); 178 179 #endif /* __KERNEL__ */ 180 181 #endif /* __XFS_INODE_ITEM_H__ */ 182