fs/xfs/xfs_inode_item.h

   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 /* kernel only definitions */
  22
  23 struct xfs_buf;
  24 struct xfs_bmbt_rec;
  25 struct xfs_inode;
  26 struct xfs_mount;
  27
  28 typedef struct xfs_inode_log_item {
  29         xfs_log_item_t          ili_item;          /* common portion */
  30         struct xfs_inode        *ili_inode;        /* inode ptr */
  31         xfs_lsn_t               ili_flush_lsn;     /* lsn at last flush */
  32         xfs_lsn_t               ili_last_lsn;      /* lsn at last transaction */
  33         unsigned short          ili_lock_flags;    /* lock flags */
  34         unsigned short          ili_logged;        /* flushed logged data */
  35         unsigned int            ili_last_fields;   /* fields when flushed */
  36         unsigned int            ili_fields;        /* fields to be logged */
  37         struct xfs_bmbt_rec     *ili_extents_buf;  /* array of logged
  38                                                       data exts */
  39         struct xfs_bmbt_rec     *ili_aextents_buf; /* array of logged
  40                                                       attr exts */
  41         xfs_inode_log_format_t  ili_format;        /* logged structure */
  42 } xfs_inode_log_item_t;
  43
  44 static inline int xfs_inode_clean(xfs_inode_t *ip)
  45 {
  46         return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL);
  47 }
  48
  49 extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
  50 extern void xfs_inode_item_destroy(struct xfs_inode *);
  51 extern void xfs_iflush_done(struct xfs_buf *, struct xfs_log_item *);
  52 extern void xfs_istale_done(struct xfs_buf *, struct xfs_log_item *);
  53 extern void xfs_iflush_abort(struct xfs_inode *, bool);
  54 extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
  55                                          xfs_inode_log_format_t *);
  56
  57 extern struct kmem_zone *xfs_ili_zone;
  58
  59 #endif  /* __XFS_INODE_ITEM_H__ */