LXR linux/fs/gfs2/inode.h

   1/*
   2 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
   3 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
   4 *
   5 * This copyrighted material is made available to anyone wishing to use,
   6 * modify, copy, or redistribute it subject to the terms and conditions
   7 * of the GNU General Public License version 2.
   8 */
   9
  10#ifndef __INODE_DOT_H__
  11#define __INODE_DOT_H__
  12
  13static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
  14{
  15        return !ip->i_di.di_height;
  16}
  17
  18static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
  19{
  20        return ip->i_di.di_flags & GFS2_DIF_JDATA;
  21}
  22
  23static inline int gfs2_is_dir(const struct gfs2_inode *ip)
  24{
  25        return S_ISDIR(ip->i_inode.i_mode);
  26}
  27
  28static inline void gfs2_set_inode_blocks(struct inode *inode)
  29{
  30        struct gfs2_inode *ip = GFS2_I(inode);
  31        inode->i_blocks = ip->i_di.di_blocks <<
  32                (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
  33}
  34
  35static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr,
  36                                  u64 no_formal_ino)
  37{
  38        return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino;
  39}
  40
  41static inline void gfs2_inum_out(const struct gfs2_inode *ip,
  42                                 struct gfs2_dirent *dent)
  43{
  44        dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
  45        dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr);
  46}
  47
  48
  49void gfs2_inode_attr_in(struct gfs2_inode *ip);
  50void gfs2_set_iop(struct inode *inode);
  51struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, 
  52                                u64 no_addr, u64 no_formal_ino,
  53                                int skip_freeing);
  54struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr);
  55
  56int gfs2_inode_refresh(struct gfs2_inode *ip);
  57
  58int gfs2_dinode_dealloc(struct gfs2_inode *inode);
  59int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
  60struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
  61                           int is_root, struct nameidata *nd);
  62struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
  63                           unsigned int mode, dev_t dev);
  64int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name,
  65                struct gfs2_inode *ip);
  66int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
  67                   const struct gfs2_inode *ip);
  68int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to);
  69int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len);
  70int gfs2_glock_nq_atime(struct gfs2_holder *gh);
  71int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
  72struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
  73void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
  74void gfs2_dinode_print(const struct gfs2_inode *ip);
  75
  76#endif /* __INODE_DOT_H__ */
  77
  78