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__
15 static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
20 static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
22 return ip->i_di.di_flags & GFS2_DIF_JDATA;
25 static inline int gfs2_is_writeback(const struct gfs2_inode *ip)
27 const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
28 return (sdp->sd_args.ar_data == GFS2_DATA_WRITEBACK) && !gfs2_is_jdata(ip);
31 static inline int gfs2_is_ordered(const struct gfs2_inode *ip)
33 const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
34 return (sdp->sd_args.ar_data == GFS2_DATA_ORDERED) && !gfs2_is_jdata(ip);
37 static inline int gfs2_is_dir(const struct gfs2_inode *ip)
39 return S_ISDIR(ip->i_inode.i_mode);
42 static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks)
44 inode->i_blocks = blocks <<
45 (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
48 static inline u64 gfs2_get_inode_blocks(const struct inode *inode)
50 return inode->i_blocks >>
51 (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
54 static inline void gfs2_add_inode_blocks(struct inode *inode, s64 change)
56 gfs2_assert(GFS2_SB(inode), (change >= 0 || inode->i_blocks > -change));
57 change *= (GFS2_SB(inode)->sd_sb.sb_bsize/GFS2_BASIC_BLOCK);
58 inode->i_blocks += change;
61 static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr,
64 return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino;
67 static inline void gfs2_inum_out(const struct gfs2_inode *ip,
68 struct gfs2_dirent *dent)
70 dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
71 dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr);
75 void gfs2_inode_attr_in(struct gfs2_inode *ip);
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,
87 int is_root, struct nameidata *nd);
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_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to);
95 int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len);
96 int gfs2_glock_nq_atime(struct gfs2_holder *gh);
97 int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
98 struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
99 void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
100 void gfs2_dinode_print(const struct gfs2_inode *ip);
102 #endif /* __INODE_DOT_H__ */