[mirror_ubuntu-artful-kernel.git] / fs / gfs2 / inode.h

/*
 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License version 2.
 */

#ifndef __INODE_DOT_H__
#define __INODE_DOT_H__

static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
{
	return !ip->i_di.di_height;
}

static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
{
	return ip->i_di.di_flags & GFS2_DIF_JDATA;
}

static inline int gfs2_is_dir(const struct gfs2_inode *ip)
{
	return S_ISDIR(ip->i_inode.i_mode);
}

static inline void gfs2_set_inode_blocks(struct inode *inode)
{
	struct gfs2_inode *ip = GFS2_I(inode);
	inode->i_blocks = ip->i_di.di_blocks <<
		(GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
}

static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr,
				  u64 no_formal_ino)
{
	return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino;
}

static inline void gfs2_inum_out(const struct gfs2_inode *ip,
				 struct gfs2_dirent *dent)
{
	dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
	dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr);
}


void gfs2_inode_attr_in(struct gfs2_inode *ip);
void gfs2_set_iop(struct inode *inode);
struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, 
				u64 no_addr, u64 no_formal_ino);
struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr);

int gfs2_inode_refresh(struct gfs2_inode *ip);

int gfs2_dinode_dealloc(struct gfs2_inode *inode);
int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
			   int is_root, struct nameidata *nd);
struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
			   unsigned int mode, dev_t dev);
int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name,
		struct gfs2_inode *ip);
int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
		   const struct gfs2_inode *ip);
int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to);
int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len);
int gfs2_glock_nq_atime(struct gfs2_holder *gh);
int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
void gfs2_dinode_print(const struct gfs2_inode *ip);

#endif /* __INODE_DOT_H__ */
Commit	Line	Data
b3b94faa DT	1	/*
b3b94faa DT	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
dbb7cae2	13	static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
b3b94faa DT	14	{
	15	return !ip->i_di.di_height;
	16	}
	17
dbb7cae2	18	static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
b3b94faa DT	19	{
	20	return ip->i_di.di_flags & GFS2_DIF_JDATA;
	21	}
	22
dbb7cae2	23	static inline int gfs2_is_dir(const struct gfs2_inode *ip)
18ec7d5c	24	{
b60623c2	25	return S_ISDIR(ip->i_inode.i_mode);
18ec7d5c SW	26	}
18ec7d5c SW	27
9e2dbdac SW	28	static inline void gfs2_set_inode_blocks(struct inode *inode)
	29	{
	30	struct gfs2_inode *ip = GFS2_I(inode);
	31	inode->i_blocks = ip->i_di.di_blocks <<
	32	(GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
	33	}
	34
dbb7cae2 SW	35	static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr,
	36	u64 no_formal_ino)
	37	{
	38	return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino;
	39	}
	40
bb8d8a6f SW	41	static inline void gfs2_inum_out(const struct gfs2_inode *ip,
	42	struct gfs2_dirent *dent)
	43	{
	44	dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
	45	dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr);
	46	}
	47
	48
b3b94faa	49	void gfs2_inode_attr_in(struct gfs2_inode *ip);
35dcc52e	50	void gfs2_set_iop(struct inode *inode);
bb9bcf06 WC	51	struct inode gfs2_inode_lookup(struct super_block sb, unsigned type,
bb9bcf06 WC	52	u64 no_addr, u64 no_formal_ino);
dbb7cae2	53	struct inode gfs2_ilookup(struct super_block sb, u64 no_addr);
b3b94faa	54
b3b94faa DT	55	int gfs2_inode_refresh(struct gfs2_inode *ip);
b3b94faa DT	56
feaa7bba	57	int gfs2_dinode_dealloc(struct gfs2_inode *inode);
b3b94faa	58	int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
907b9bce	59	struct inode gfs2_lookupi(struct inode dir, const struct qstr *name,
feaa7bba SW	60	int is_root, struct nameidata *nd);
feaa7bba SW	61	struct inode gfs2_createi(struct gfs2_holder ghs, const struct qstr *name,
e7f14f4d	62	unsigned int mode, dev_t dev);
feaa7bba SW	63	int gfs2_rmdiri(struct gfs2_inode dip, const struct qstr name,
	64	struct gfs2_inode *ip);
	65	int gfs2_unlink_ok(struct gfs2_inode dip, const struct qstr name,
dbb7cae2	66	const struct gfs2_inode *ip);
b3b94faa DT	67	int gfs2_ok_to_move(struct gfs2_inode this, struct gfs2_inode to);
b3b94faa DT	68	int gfs2_readlinki(struct gfs2_inode ip, char buf, unsigned int len);
b3b94faa	69	int gfs2_glock_nq_atime(struct gfs2_holder *gh);
b3b94faa	70	int gfs2_setattr_simple(struct gfs2_inode ip, struct iattr attr);
c752666c	71	struct inode gfs2_lookup_simple(struct inode dip, const char *name);
bb8d8a6f SW	72	void gfs2_dinode_out(const struct gfs2_inode ip, void buf);
bb8d8a6f SW	73	void gfs2_dinode_print(const struct gfs2_inode *ip);
b3b94faa DT	74
	75	#endif /* __INODE_DOT_H__ */
	76