| /* |
| * Copyright (c) 2000,2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #ifndef __XFS_INODE_ITEM_H__ |
| #define __XFS_INODE_ITEM_H__ |
| |
| /* |
| * This is the structure used to lay out an inode log item in the |
| * log. The size of the inline data/extents/b-tree root to be logged |
| * (if any) is indicated in the ilf_dsize field. Changes to this structure |
| * must be added on to the end. |
| */ |
| typedef struct xfs_inode_log_format { |
| __uint16_t ilf_type; /* inode log item type */ |
| __uint16_t ilf_size; /* size of this item */ |
| __uint32_t ilf_fields; /* flags for fields logged */ |
| __uint16_t ilf_asize; /* size of attr d/ext/root */ |
| __uint16_t ilf_dsize; /* size of data/ext/root */ |
| __uint64_t ilf_ino; /* inode number */ |
| union { |
| __uint32_t ilfu_rdev; /* rdev value for dev inode*/ |
| uuid_t ilfu_uuid; /* mount point value */ |
| } ilf_u; |
| __int64_t ilf_blkno; /* blkno of inode buffer */ |
| __int32_t ilf_len; /* len of inode buffer */ |
| __int32_t ilf_boffset; /* off of inode in buffer */ |
| } xfs_inode_log_format_t; |
| |
| #ifndef HAVE_FORMAT32 |
| typedef struct xfs_inode_log_format_32 { |
| __uint16_t ilf_type; /* inode log item type */ |
| __uint16_t ilf_size; /* size of this item */ |
| __uint32_t ilf_fields; /* flags for fields logged */ |
| __uint16_t ilf_asize; /* size of attr d/ext/root */ |
| __uint16_t ilf_dsize; /* size of data/ext/root */ |
| __uint64_t ilf_ino; /* inode number */ |
| union { |
| __uint32_t ilfu_rdev; /* rdev value for dev inode*/ |
| uuid_t ilfu_uuid; /* mount point value */ |
| } ilf_u; |
| __int64_t ilf_blkno; /* blkno of inode buffer */ |
| __int32_t ilf_len; /* len of inode buffer */ |
| __int32_t ilf_boffset; /* off of inode in buffer */ |
| } __attribute__((packed)) xfs_inode_log_format_32_t; |
| #endif |
| |
| typedef struct xfs_inode_log_format_64 { |
| __uint16_t ilf_type; /* inode log item type */ |
| __uint16_t ilf_size; /* size of this item */ |
| __uint32_t ilf_fields; /* flags for fields logged */ |
| __uint16_t ilf_asize; /* size of attr d/ext/root */ |
| __uint16_t ilf_dsize; /* size of data/ext/root */ |
| __uint32_t ilf_pad; /* pad for 64 bit boundary */ |
| __uint64_t ilf_ino; /* inode number */ |
| union { |
| __uint32_t ilfu_rdev; /* rdev value for dev inode*/ |
| uuid_t ilfu_uuid; /* mount point value */ |
| } ilf_u; |
| __int64_t ilf_blkno; /* blkno of inode buffer */ |
| __int32_t ilf_len; /* len of inode buffer */ |
| __int32_t ilf_boffset; /* off of inode in buffer */ |
| } xfs_inode_log_format_64_t; |
| |
| /* |
| * Flags for xfs_trans_log_inode flags field. |
| */ |
| #define XFS_ILOG_CORE 0x001 /* log standard inode fields */ |
| #define XFS_ILOG_DDATA 0x002 /* log i_df.if_data */ |
| #define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */ |
| #define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */ |
| #define XFS_ILOG_DEV 0x010 /* log the dev field */ |
| #define XFS_ILOG_UUID 0x020 /* log the uuid field */ |
| #define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */ |
| #define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */ |
| #define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */ |
| |
| #define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \ |
| XFS_ILOG_DBROOT | XFS_ILOG_DEV | \ |
| XFS_ILOG_UUID | XFS_ILOG_ADATA | \ |
| XFS_ILOG_AEXT | XFS_ILOG_ABROOT) |
| |
| #define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \ |
| XFS_ILOG_DBROOT) |
| |
| #define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \ |
| XFS_ILOG_ABROOT) |
| |
| #define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \ |
| XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \ |
| XFS_ILOG_DEV | XFS_ILOG_UUID | \ |
| XFS_ILOG_ADATA | XFS_ILOG_AEXT | \ |
| XFS_ILOG_ABROOT) |
| |
| #define XFS_ILI_HOLD 0x1 |
| #define XFS_ILI_IOLOCKED_EXCL 0x2 |
| #define XFS_ILI_IOLOCKED_SHARED 0x4 |
| |
| #define XFS_ILI_IOLOCKED_ANY (XFS_ILI_IOLOCKED_EXCL | XFS_ILI_IOLOCKED_SHARED) |
| |
| |
| #ifdef __KERNEL__ |
| |
| struct xfs_buf; |
| struct xfs_bmbt_rec_64; |
| struct xfs_inode; |
| struct xfs_mount; |
| |
| |
| typedef struct xfs_inode_log_item { |
| xfs_log_item_t ili_item; /* common portion */ |
| struct xfs_inode *ili_inode; /* inode ptr */ |
| xfs_lsn_t ili_flush_lsn; /* lsn at last flush */ |
| xfs_lsn_t ili_last_lsn; /* lsn at last transaction */ |
| unsigned short ili_ilock_recur; /* lock recursion count */ |
| unsigned short ili_iolock_recur; /* lock recursion count */ |
| unsigned short ili_flags; /* misc flags */ |
| unsigned short ili_logged; /* flushed logged data */ |
| unsigned int ili_last_fields; /* fields when flushed */ |
| struct xfs_bmbt_rec_64 *ili_extents_buf; /* array of logged |
| data exts */ |
| struct xfs_bmbt_rec_64 *ili_aextents_buf; /* array of logged |
| attr exts */ |
| unsigned int ili_pushbuf_flag; /* one bit used in push_ail */ |
| |
| #ifdef DEBUG |
| uint64_t ili_push_owner; /* one who sets pushbuf_flag |
| above gets to push the buf */ |
| #endif |
| #ifdef XFS_TRANS_DEBUG |
| int ili_root_size; |
| char *ili_orig_root; |
| #endif |
| xfs_inode_log_format_t ili_format; /* logged structure */ |
| } xfs_inode_log_item_t; |
| |
| |
| #define XFS_ILOG_FDATA(w) xfs_ilog_fdata(w) |
| static inline int xfs_ilog_fdata(int w) |
| { |
| return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA); |
| } |
| |
| #endif /* __KERNEL__ */ |
| |
| #define XFS_ILOG_FBROOT(w) xfs_ilog_fbroot(w) |
| static inline int xfs_ilog_fbroot(int w) |
| { |
| return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT); |
| } |
| |
| #define XFS_ILOG_FEXT(w) xfs_ilog_fext(w) |
| static inline int xfs_ilog_fext(int w) |
| { |
| return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT); |
| } |
| |
| static inline int xfs_inode_clean(xfs_inode_t *ip) |
| { |
| return (!ip->i_itemp || |
| !(ip->i_itemp->ili_format.ilf_fields & XFS_ILOG_ALL)) && |
| !ip->i_update_core; |
| } |
| |
| |
| #ifdef __KERNEL__ |
| |
| extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *); |
| extern void xfs_inode_item_destroy(struct xfs_inode *); |
| extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *); |
| extern void xfs_istale_done(struct xfs_buf *, xfs_inode_log_item_t *); |
| extern void xfs_iflush_abort(struct xfs_inode *); |
| extern int xfs_inode_item_format_convert(xfs_log_iovec_t *, |
| xfs_inode_log_format_t *); |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* __XFS_INODE_ITEM_H__ */ |