LXR linux/fs/xfs/xfs_inode

   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
  23struct xfs_buf;
  24struct xfs_bmbt_rec;
  25struct xfs_inode;
  26struct xfs_mount;
  27
  28typedef 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} xfs_inode_log_item_t;
  38
  39static inline int xfs_inode_clean(xfs_inode_t *ip)
  40{
  41        return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL);
  42}
  43
  44extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
  45extern void xfs_inode_item_destroy(struct xfs_inode *);
  46extern void xfs_iflush_done(struct xfs_buf *, struct xfs_log_item *);
  47extern void xfs_istale_done(struct xfs_buf *, struct xfs_log_item *);
  48extern void xfs_iflush_abort(struct xfs_inode *, bool);
  49extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
  50                                         xfs_inode_log_format_t *);
  51
  52extern struct kmem_zone *xfs_ili_zone;
  53
  54#endif  /* __XFS_INODE_ITEM_H__ */
  55