fs/gfs2/inode.h

   1 /*
   2  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
   3  * Copyright (C) 2004-2005 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 v.2.
   8  */
   9
  10 #ifndef __INODE_DOT_H__
  11 #define __INODE_DOT_H__
  12
  13 static inline int gfs2_is_stuffed(struct gfs2_inode *ip)
  14 {
  15         return !ip->i_di.di_height;
  16 }
  17
  18 static inline int gfs2_is_jdata(struct gfs2_inode *ip)
  19 {
  20         return ip->i_di.di_flags & GFS2_DIF_JDATA;
  21 }
  22
  23 void gfs2_inode_attr_in(struct gfs2_inode *ip);
  24 void gfs2_inode_attr_out(struct gfs2_inode *ip);
  25 struct inode *gfs2_ip2v_lookup(struct gfs2_inode *ip);
  26 struct inode *gfs2_ip2v(struct gfs2_inode *ip);
  27 struct inode *gfs2_iget(struct super_block *sb, struct gfs2_inum *inum);
  28
  29 void gfs2_inode_min_init(struct gfs2_inode *ip, unsigned int type);
  30 int gfs2_inode_refresh(struct gfs2_inode *ip);
  31
  32 int gfs2_inode_get(struct gfs2_glock *i_gl,
  33                    struct gfs2_inum *inum, int create,
  34                    struct gfs2_inode **ipp);
  35 void gfs2_inode_hold(struct gfs2_inode *ip);
  36 void gfs2_inode_put(struct gfs2_inode *ip);
  37 void gfs2_inode_destroy(struct gfs2_inode *ip);
  38
  39 int gfs2_inode_dealloc(struct gfs2_sbd *sdp, struct gfs2_unlinked *ul);
  40
  41 int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
  42 int gfs2_lookupi(struct gfs2_inode *dip, struct qstr *name, int is_root,
  43                  struct gfs2_inode **ipp);
  44 int gfs2_createi(struct gfs2_holder *ghs, struct qstr *name, unsigned int mode);
  45 int gfs2_unlinki(struct gfs2_inode *dip, struct qstr *name,
  46                  struct gfs2_inode *ip, struct gfs2_unlinked *ul);
  47 int gfs2_rmdiri(struct gfs2_inode *dip, struct qstr *name,
  48                 struct gfs2_inode *ip, struct gfs2_unlinked *ul);
  49 int gfs2_unlink_ok(struct gfs2_inode *dip, struct qstr *name,
  50                    struct gfs2_inode *ip);
  51 int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to);
  52 int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len);
  53
  54 int gfs2_glock_nq_atime(struct gfs2_holder *gh);
  55 int gfs2_glock_nq_m_atime(unsigned int num_gh, struct gfs2_holder *ghs);
  56
  57 void gfs2_try_toss_vnode(struct gfs2_inode *ip);
  58
  59 int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
  60
  61 int gfs2_repermission(struct inode *inode, int mask, struct nameidata *nd);
  62
  63 static inline int gfs2_lookup_simple(struct gfs2_inode *dip, char *name,
  64                                      struct gfs2_inode **ipp)
  65 {
  66         struct qstr qstr;
  67         memset(&qstr, 0, sizeof(struct qstr));
  68         qstr.name = name;
  69         qstr.len = strlen(name);
  70         return gfs2_lookupi(dip, &qstr, 1, ipp);
  71 }
  72
  73 #endif /* __INODE_DOT_H__ */
  74