Commit | Line | Data |
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b3b94faa DT |
1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
3a8a9a10 | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
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 | |
e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
b3b94faa DT |
8 | */ |
9 | ||
10 | #ifndef __INODE_DOT_H__ | |
11 | #define __INODE_DOT_H__ | |
12 | ||
b2760583 | 13 | #include <linux/fs.h> |
77658aad SW |
14 | #include "util.h" |
15 | ||
dbb7cae2 | 16 | static inline int gfs2_is_stuffed(const struct gfs2_inode *ip) |
b3b94faa | 17 | { |
ecc30c79 | 18 | return !ip->i_height; |
b3b94faa DT |
19 | } |
20 | ||
dbb7cae2 | 21 | static inline int gfs2_is_jdata(const struct gfs2_inode *ip) |
b3b94faa | 22 | { |
383f01fb | 23 | return ip->i_diskflags & GFS2_DIF_JDATA; |
b3b94faa DT |
24 | } |
25 | ||
bf36a713 SW |
26 | static inline int gfs2_is_writeback(const struct gfs2_inode *ip) |
27 | { | |
28 | const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); | |
29 | return (sdp->sd_args.ar_data == GFS2_DATA_WRITEBACK) && !gfs2_is_jdata(ip); | |
30 | } | |
31 | ||
5561093e SW |
32 | static inline int gfs2_is_ordered(const struct gfs2_inode *ip) |
33 | { | |
34 | const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); | |
35 | return (sdp->sd_args.ar_data == GFS2_DATA_ORDERED) && !gfs2_is_jdata(ip); | |
36 | } | |
37 | ||
dbb7cae2 | 38 | static inline int gfs2_is_dir(const struct gfs2_inode *ip) |
18ec7d5c | 39 | { |
b60623c2 | 40 | return S_ISDIR(ip->i_inode.i_mode); |
18ec7d5c SW |
41 | } |
42 | ||
77658aad SW |
43 | static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks) |
44 | { | |
45 | inode->i_blocks = blocks << | |
46 | (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT); | |
47 | } | |
48 | ||
49 | static inline u64 gfs2_get_inode_blocks(const struct inode *inode) | |
9e2dbdac | 50 | { |
77658aad | 51 | return inode->i_blocks >> |
9e2dbdac SW |
52 | (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT); |
53 | } | |
54 | ||
77658aad SW |
55 | static inline void gfs2_add_inode_blocks(struct inode *inode, s64 change) |
56 | { | |
57 | gfs2_assert(GFS2_SB(inode), (change >= 0 || inode->i_blocks > -change)); | |
58 | change *= (GFS2_SB(inode)->sd_sb.sb_bsize/GFS2_BASIC_BLOCK); | |
59 | inode->i_blocks += change; | |
60 | } | |
61 | ||
dbb7cae2 SW |
62 | static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr, |
63 | u64 no_formal_ino) | |
64 | { | |
65 | return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino; | |
66 | } | |
67 | ||
bb8d8a6f SW |
68 | static inline void gfs2_inum_out(const struct gfs2_inode *ip, |
69 | struct gfs2_dirent *dent) | |
70 | { | |
71 | dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); | |
72 | dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr); | |
73 | } | |
74 | ||
75 | ||
35dcc52e | 76 | void gfs2_set_iop(struct inode *inode); |
bb9bcf06 | 77 | struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, |
7a9f53b3 BM |
78 | u64 no_addr, u64 no_formal_ino, |
79 | int skip_freeing); | |
dbb7cae2 | 80 | struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr); |
b3b94faa | 81 | |
b3b94faa DT |
82 | int gfs2_inode_refresh(struct gfs2_inode *ip); |
83 | ||
feaa7bba | 84 | int gfs2_dinode_dealloc(struct gfs2_inode *inode); |
b3b94faa | 85 | int gfs2_change_nlink(struct gfs2_inode *ip, int diff); |
907b9bce | 86 | struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, |
a569c711 | 87 | int is_root); |
feaa7bba | 88 | struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, |
e7f14f4d | 89 | unsigned int mode, dev_t dev); |
feaa7bba SW |
90 | int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name, |
91 | struct gfs2_inode *ip); | |
92 | int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name, | |
dbb7cae2 | 93 | const struct gfs2_inode *ip); |
f58ba889 | 94 | int gfs2_permission(struct inode *inode, int mask); |
b3b94faa | 95 | int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len); |
b3b94faa | 96 | int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr); |
c752666c | 97 | struct inode *gfs2_lookup_simple(struct inode *dip, const char *name); |
bb8d8a6f SW |
98 | void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf); |
99 | void gfs2_dinode_print(const struct gfs2_inode *ip); | |
b3b94faa | 100 | |
b2760583 SW |
101 | extern const struct inode_operations gfs2_file_iops; |
102 | extern const struct inode_operations gfs2_dir_iops; | |
103 | extern const struct inode_operations gfs2_symlink_iops; | |
104 | extern const struct file_operations gfs2_file_fops; | |
105 | extern const struct file_operations gfs2_dir_fops; | |
106 | extern const struct file_operations gfs2_file_fops_nolock; | |
107 | extern const struct file_operations gfs2_dir_fops_nolock; | |
108 | ||
109 | extern void gfs2_set_inode_flags(struct inode *inode); | |
110 | ||
b3b94faa DT |
111 | #endif /* __INODE_DOT_H__ */ |
112 |