xref: /openbmc/linux/fs/gfs2/inode.h (revision e868d61272caa648214046a096e5a6bfc068dc8c)
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 
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 static inline int gfs2_is_dir(struct gfs2_inode *ip)
24 {
25 	return S_ISDIR(ip->i_inode.i_mode);
26 }
27 
28 static 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 
35 void gfs2_inode_attr_in(struct gfs2_inode *ip);
36 struct inode *gfs2_inode_lookup(struct super_block *sb, struct gfs2_inum_host *inum, unsigned type);
37 struct inode *gfs2_ilookup(struct super_block *sb, struct gfs2_inum_host *inum);
38 
39 int gfs2_inode_refresh(struct gfs2_inode *ip);
40 
41 int gfs2_dinode_dealloc(struct gfs2_inode *inode);
42 int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
43 struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
44 			   int is_root, struct nameidata *nd);
45 struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
46 			   unsigned int mode, dev_t dev);
47 int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name,
48 		struct gfs2_inode *ip);
49 int gfs2_unlink_ok(struct gfs2_inode *dip, const 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 int gfs2_glock_nq_atime(struct gfs2_holder *gh);
54 int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
55 struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
56 
57 #endif /* __INODE_DOT_H__ */
58 
59