2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
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.
10 #ifndef __INODE_DOT_H__
11 #define __INODE_DOT_H__
16 static inline int gfs2_is_stuffed(const struct gfs2_inode
*ip
)
21 static inline int gfs2_is_jdata(const struct gfs2_inode
*ip
)
23 return ip
->i_di
.di_flags
& GFS2_DIF_JDATA
;
26 static inline int gfs2_is_writeback(const struct gfs2_inode
*ip
)
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
);
32 static inline int gfs2_is_ordered(const struct gfs2_inode
*ip
)
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
);
38 static inline int gfs2_is_dir(const struct gfs2_inode
*ip
)
40 return S_ISDIR(ip
->i_inode
.i_mode
);
43 static inline void gfs2_set_inode_blocks(struct inode
*inode
, u64 blocks
)
45 inode
->i_blocks
= blocks
<<
46 (GFS2_SB(inode
)->sd_sb
.sb_bsize_shift
- GFS2_BASIC_BLOCK_SHIFT
);
49 static inline u64
gfs2_get_inode_blocks(const struct inode
*inode
)
51 return inode
->i_blocks
>>
52 (GFS2_SB(inode
)->sd_sb
.sb_bsize_shift
- GFS2_BASIC_BLOCK_SHIFT
);
55 static inline void gfs2_add_inode_blocks(struct inode
*inode
, s64 change
)
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
;
62 static inline int gfs2_check_inum(const struct gfs2_inode
*ip
, u64 no_addr
,
65 return ip
->i_no_addr
== no_addr
&& ip
->i_no_formal_ino
== no_formal_ino
;
68 static inline void gfs2_inum_out(const struct gfs2_inode
*ip
,
69 struct gfs2_dirent
*dent
)
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
);
76 void gfs2_set_iop(struct inode
*inode
);
77 struct inode
*gfs2_inode_lookup(struct super_block
*sb
, unsigned type
,
78 u64 no_addr
, u64 no_formal_ino
,
80 struct inode
*gfs2_ilookup(struct super_block
*sb
, u64 no_addr
);
82 int gfs2_inode_refresh(struct gfs2_inode
*ip
);
84 int gfs2_dinode_dealloc(struct gfs2_inode
*inode
);
85 int gfs2_change_nlink(struct gfs2_inode
*ip
, int diff
);
86 struct inode
*gfs2_lookupi(struct inode
*dir
, const struct qstr
*name
,
88 struct inode
*gfs2_createi(struct gfs2_holder
*ghs
, const struct qstr
*name
,
89 unsigned int mode
, dev_t dev
);
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
,
93 const struct gfs2_inode
*ip
);
94 int gfs2_permission(struct inode
*inode
, int mask
);
95 int gfs2_readlinki(struct gfs2_inode
*ip
, char **buf
, unsigned int *len
);
96 int gfs2_setattr_simple(struct gfs2_inode
*ip
, struct iattr
*attr
);
97 struct inode
*gfs2_lookup_simple(struct inode
*dip
, const char *name
);
98 void gfs2_dinode_out(const struct gfs2_inode
*ip
, void *buf
);
99 void gfs2_dinode_print(const struct gfs2_inode
*ip
);
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
;
109 extern void gfs2_set_inode_flags(struct inode
*inode
);
111 #endif /* __INODE_DOT_H__ */