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gerrit-public.fairphone.software / kernel / msm-4.19 / 18ec7d5c3f434aed9661ed10a9e1f48cdeb4981d / . / fs / gfs2 / inode.h
blob: 214975c6bb22ae1828c553e5a9e652a644ca857d [file] [log] [blame]
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]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
13static inline int gfs2_is_stuffed(struct gfs2_inode *ip)
14{
15 return !ip->i_di.di_height;
16}
17
18static inline int gfs2_is_jdata(struct gfs2_inode *ip)
19{
20 return ip->i_di.di_flags & GFS2_DIF_JDATA;
21}
22
Steven Whitehouse18ec7d52006-02-08 11:50:51 +0000[diff] [blame^]23static inline int gfs2_is_dir(struct gfs2_inode *ip)
24{
25 return S_ISDIR(ip->i_di.di_mode);
26}
27
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]28void gfs2_inode_attr_in(struct gfs2_inode *ip);
29void gfs2_inode_attr_out(struct gfs2_inode *ip);
30struct inode *gfs2_ip2v_lookup(struct gfs2_inode *ip);
31struct inode *gfs2_ip2v(struct gfs2_inode *ip);
32struct inode *gfs2_iget(struct super_block *sb, struct gfs2_inum *inum);
33
34void gfs2_inode_min_init(struct gfs2_inode *ip, unsigned int type);
35int gfs2_inode_refresh(struct gfs2_inode *ip);
36
37int gfs2_inode_get(struct gfs2_glock *i_gl,
38 struct gfs2_inum *inum, int create,
39 struct gfs2_inode **ipp);
40void gfs2_inode_hold(struct gfs2_inode *ip);
41void gfs2_inode_put(struct gfs2_inode *ip);
42void gfs2_inode_destroy(struct gfs2_inode *ip);
43
44int gfs2_inode_dealloc(struct gfs2_sbd *sdp, struct gfs2_unlinked *ul);
45
46int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
47int gfs2_lookupi(struct gfs2_inode *dip, struct qstr *name, int is_root,
48 struct gfs2_inode **ipp);
49int gfs2_createi(struct gfs2_holder *ghs, struct qstr *name, unsigned int mode);
50int gfs2_unlinki(struct gfs2_inode *dip, struct qstr *name,
51 struct gfs2_inode *ip, struct gfs2_unlinked *ul);
52int gfs2_rmdiri(struct gfs2_inode *dip, struct qstr *name,
53 struct gfs2_inode *ip, struct gfs2_unlinked *ul);
54int gfs2_unlink_ok(struct gfs2_inode *dip, struct qstr *name,
55 struct gfs2_inode *ip);
56int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to);
57int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len);
58
59int gfs2_glock_nq_atime(struct gfs2_holder *gh);
60int gfs2_glock_nq_m_atime(unsigned int num_gh, struct gfs2_holder *ghs);
61
62void gfs2_try_toss_vnode(struct gfs2_inode *ip);
63
64int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
65
66int gfs2_repermission(struct inode *inode, int mask, struct nameidata *nd);
67
Steven Whitehousef42faf42006-01-30 18:34:10 +0000[diff] [blame]68static inline int gfs2_lookup_simple(struct inode *dip, char *name,
69 struct inode **ipp)
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]70{
Steven Whitehousef42faf42006-01-30 18:34:10 +0000[diff] [blame]71 struct gfs2_inode *ip;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]72 struct qstr qstr;
Steven Whitehousef42faf42006-01-30 18:34:10 +0000[diff] [blame]73 int err;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]74 memset(&qstr, 0, sizeof(struct qstr));
75 qstr.name = name;
76 qstr.len = strlen(name);
Steven Whitehousef42faf42006-01-30 18:34:10 +0000[diff] [blame]77 err = gfs2_lookupi(get_v2ip(dip), &qstr, 1, &ip);
78 if (err == 0) {
79 *ipp = gfs2_ip2v(ip);
Steven Whitehouse18ec7d52006-02-08 11:50:51 +0000[diff] [blame^]80 gfs2_inode_put(ip);
Steven Whitehousef42faf42006-01-30 18:34:10 +0000[diff] [blame]81 if (*ipp == NULL)
82 err = -ENOMEM;
Steven Whitehousef42faf42006-01-30 18:34:10 +0000[diff] [blame]83 }
84 return err;
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]85}
86
87#endif /* __INODE_DOT_H__ */
88