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_diskflags & 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__ */