tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_writeback(const struct gfs2_inode *ip)
24{
25 const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
26 return (sdp->sd_args.ar_data == GFS2_DATA_WRITEBACK) && !gfs2_is_jdata(ip);
27}
28
29static inline int gfs2_is_ordered(const struct gfs2_inode *ip)
30{
31 const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
32 return (sdp->sd_args.ar_data == GFS2_DATA_ORDERED) && !gfs2_is_jdata(ip);
33}
34
35static inline int gfs2_is_dir(const struct gfs2_inode *ip)
36{
37 return S_ISDIR(ip->i_inode.i_mode);
38}
39
40static inline void gfs2_set_inode_blocks(struct inode *inode)
41{
42 struct gfs2_inode *ip = GFS2_I(inode);
43 inode->i_blocks = ip->i_di.di_blocks <<
44 (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
45}
46
47static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr,
48 u64 no_formal_ino)
49{
50 return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino;
51}
52
53static inline void gfs2_inum_out(const struct gfs2_inode *ip,
54 struct gfs2_dirent *dent)
55{
56 dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
57 dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr);
58}
59
60
61void gfs2_inode_attr_in(struct gfs2_inode *ip);
62void gfs2_set_iop(struct inode *inode);
63struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
64 u64 no_addr, u64 no_formal_ino,
65 int skip_freeing);
66struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr);
67
68int gfs2_inode_refresh(struct gfs2_inode *ip);
69
70int gfs2_dinode_dealloc(struct gfs2_inode *inode);
71int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
72struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
73 int is_root, struct nameidata *nd);
74struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
75 unsigned int mode, dev_t dev);
76int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name,
77 struct gfs2_inode *ip);
78int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
79 const struct gfs2_inode *ip);
80int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to);
81int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len);
82int gfs2_glock_nq_atime(struct gfs2_holder *gh);
83int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
84struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
85void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
86void gfs2_dinode_print(const struct gfs2_inode *ip);
87
88#endif /* __INODE_DOT_H__ */
89