[net-next-2.6.git] / fs / xfs / xfs_dir2_sf.h

/*
 * Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Further, this software is distributed without any warranty that it is
 * free of the rightful claim of any third person regarding infringement
 * or the like.  Any license provided herein, whether implied or
 * otherwise, applies only to this software file.  Patent licenses, if
 * any, provided herein do not apply to combinations of this program with
 * other software, or any other product whatsoever.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
 *
 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 * Mountain View, CA  94043, or:
 *
 * http://www.sgi.com
 *
 * For further information regarding this notice, see:
 *
 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 */
#ifndef __XFS_DIR2_SF_H__
#define	__XFS_DIR2_SF_H__

/*
 * Directory layout when stored internal to an inode.
 *
 * Small directories are packed as tightly as possible so as to
 * fit into the literal area of the inode.
 */

struct uio;
struct xfs_dabuf;
struct xfs_da_args;
struct xfs_dir2_block;
struct xfs_inode;
struct xfs_mount;
struct xfs_trans;

/*
 * Maximum size of a shortform directory.
 */
#define	XFS_DIR2_SF_MAX_SIZE	\
	(XFS_DINODE_MAX_SIZE - (uint)sizeof(xfs_dinode_core_t) - \
	 (uint)sizeof(xfs_agino_t))

/*
 * Inode number stored as 8 8-bit values.
 */
typedef	struct { __uint8_t i[8]; } xfs_dir2_ino8_t;

/*
 * Inode number stored as 4 8-bit values.
 * Works a lot of the time, when all the inode numbers in a directory
 * fit in 32 bits.
 */
typedef struct { __uint8_t i[4]; } xfs_dir2_ino4_t;

typedef union {
	xfs_dir2_ino8_t	i8;
	xfs_dir2_ino4_t	i4;
} xfs_dir2_inou_t;
#define	XFS_DIR2_MAX_SHORT_INUM	((xfs_ino_t)0xffffffffULL)

/*
 * Normalized offset (in a data block) of the entry, really xfs_dir2_data_off_t.
 * Only need 16 bits, this is the byte offset into the single block form.
 */
typedef struct { __uint8_t i[2]; } xfs_dir2_sf_off_t;

/*
 * The parent directory has a dedicated field, and the self-pointer must
 * be calculated on the fly.
 *
 * Entries are packed toward the top as tightly as possible.  The header
 * and the elements must be memcpy'd out into a work area to get correct
 * alignment for the inode number fields.
 */
typedef struct xfs_dir2_sf_hdr {
	__uint8_t		count;		/* count of entries */
	__uint8_t		i8count;	/* count of 8-byte inode #s */
	xfs_dir2_inou_t		parent;		/* parent dir inode number */
} xfs_dir2_sf_hdr_t;

typedef struct xfs_dir2_sf_entry {
	__uint8_t		namelen;	/* actual name length */
	xfs_dir2_sf_off_t	offset;		/* saved offset */
	__uint8_t		name[1];	/* name, variable size */
	xfs_dir2_inou_t		inumber;	/* inode number, var. offset */
} xfs_dir2_sf_entry_t;

typedef struct xfs_dir2_sf {
	xfs_dir2_sf_hdr_t	hdr;		/* shortform header */
	xfs_dir2_sf_entry_t	list[1];	/* shortform entries */
} xfs_dir2_sf_t;

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_HDR_SIZE)
int xfs_dir2_sf_hdr_size(int i8count);
#define	XFS_DIR2_SF_HDR_SIZE(i8count)	xfs_dir2_sf_hdr_size(i8count)
#else
#define	XFS_DIR2_SF_HDR_SIZE(i8count)	\
	((uint)sizeof(xfs_dir2_sf_hdr_t) - \
	 ((i8count) == 0) * \
	 ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)))
#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_INUMBERP)
xfs_dir2_inou_t *xfs_dir2_sf_inumberp(xfs_dir2_sf_entry_t *sfep);
#define	XFS_DIR2_SF_INUMBERP(sfep)	xfs_dir2_sf_inumberp(sfep)
#else
#define	XFS_DIR2_SF_INUMBERP(sfep)	\
	((xfs_dir2_inou_t *)&(sfep)->name[(sfep)->namelen])
#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_GET_INUMBER)
xfs_intino_t xfs_dir2_sf_get_inumber(xfs_dir2_sf_t *sfp, xfs_dir2_inou_t *from);
#define	XFS_DIR2_SF_GET_INUMBER(sfp, from)	\
	xfs_dir2_sf_get_inumber(sfp, from)

#else
#define	XFS_DIR2_SF_GET_INUMBER(sfp, from)	\
	((sfp)->hdr.i8count == 0 ? \
		(xfs_intino_t)XFS_GET_DIR_INO4((from)->i4) : \
		(xfs_intino_t)XFS_GET_DIR_INO8((from)->i8))
#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_PUT_INUMBER)
void xfs_dir2_sf_put_inumber(xfs_dir2_sf_t *sfp, xfs_ino_t *from,
				     xfs_dir2_inou_t *to);
#define	XFS_DIR2_SF_PUT_INUMBER(sfp,from,to)	\
	xfs_dir2_sf_put_inumber(sfp,from,to)
#else
#define	XFS_DIR2_SF_PUT_INUMBER(sfp,from,to)	\
	if ((sfp)->hdr.i8count == 0) { \
		XFS_PUT_DIR_INO4(*(from), (to)->i4); \
	} else { \
		XFS_PUT_DIR_INO8(*(from), (to)->i8); \
	}
#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_GET_OFFSET)
xfs_dir2_data_aoff_t xfs_dir2_sf_get_offset(xfs_dir2_sf_entry_t *sfep);
#define	XFS_DIR2_SF_GET_OFFSET(sfep)	\
	xfs_dir2_sf_get_offset(sfep)
#else
#define	XFS_DIR2_SF_GET_OFFSET(sfep)	\
	INT_GET_UNALIGNED_16_BE(&(sfep)->offset.i)
#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_PUT_OFFSET)
void xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep,
				    xfs_dir2_data_aoff_t off);
#define	XFS_DIR2_SF_PUT_OFFSET(sfep,off) \
	xfs_dir2_sf_put_offset(sfep,off)
#else
#define	XFS_DIR2_SF_PUT_OFFSET(sfep,off)	\
	INT_SET_UNALIGNED_16_BE(&(sfep)->offset.i,off)
#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_ENTSIZE_BYNAME)
int xfs_dir2_sf_entsize_byname(xfs_dir2_sf_t *sfp, int len);
#define XFS_DIR2_SF_ENTSIZE_BYNAME(sfp,len)	\
	xfs_dir2_sf_entsize_byname(sfp,len)
#else
#define XFS_DIR2_SF_ENTSIZE_BYNAME(sfp,len)	/* space a name uses */ \
	((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (len) - \
	 ((sfp)->hdr.i8count == 0) * \
	 ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)))
#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_ENTSIZE_BYENTRY)
int xfs_dir2_sf_entsize_byentry(xfs_dir2_sf_t *sfp, xfs_dir2_sf_entry_t *sfep);
#define XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep)	\
	xfs_dir2_sf_entsize_byentry(sfp,sfep)
#else
#define XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep)	/* space an entry uses */ \
	((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (sfep)->namelen - \
	 ((sfp)->hdr.i8count == 0) * \
	 ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)))
#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_FIRSTENTRY)
xfs_dir2_sf_entry_t *xfs_dir2_sf_firstentry(xfs_dir2_sf_t *sfp);
#define XFS_DIR2_SF_FIRSTENTRY(sfp)	xfs_dir2_sf_firstentry(sfp)
#else
#define XFS_DIR2_SF_FIRSTENTRY(sfp)	/* first entry in struct */ \
	((xfs_dir2_sf_entry_t *) \
	 ((char *)(sfp) + XFS_DIR2_SF_HDR_SIZE(sfp->hdr.i8count)))
#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_NEXTENTRY)
xfs_dir2_sf_entry_t *xfs_dir2_sf_nextentry(xfs_dir2_sf_t *sfp,
					   xfs_dir2_sf_entry_t *sfep);
#define XFS_DIR2_SF_NEXTENTRY(sfp,sfep)		xfs_dir2_sf_nextentry(sfp,sfep)
#else
#define XFS_DIR2_SF_NEXTENTRY(sfp,sfep)		/* next entry in struct */ \
	((xfs_dir2_sf_entry_t *) \
		((char *)(sfep) + XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep)))
#endif

/*
 * Functions.
 */

extern int
	xfs_dir2_block_sfsize(struct xfs_inode *dp,
			      struct xfs_dir2_block *block,
			      xfs_dir2_sf_hdr_t *sfhp);

extern int
	xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp,
			     int size, xfs_dir2_sf_hdr_t *sfhp);

extern int
	xfs_dir2_sf_addname(struct xfs_da_args *args);

extern int
	xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);

extern int
	xfs_dir2_sf_getdents(struct xfs_inode *dp, struct uio *uio, int *eofp,
			     struct xfs_dirent *dbp, xfs_dir2_put_t put);

extern int
	xfs_dir2_sf_lookup(struct xfs_da_args *args);

extern int
	xfs_dir2_sf_removename(struct xfs_da_args *args);

extern int
	xfs_dir2_sf_replace(struct xfs_da_args *args);

#endif	/* __XFS_DIR2_SF_H__ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms of version 2 of the GNU General Public License as
	6	* published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it would be useful, but
	9	* WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
	11	*
	12	* Further, this software is distributed without any warranty that it is
	13	* free of the rightful claim of any third person regarding infringement
	14	* or the like. Any license provided herein, whether implied or
	15	* otherwise, applies only to this software file. Patent licenses, if
	16	* any, provided herein do not apply to combinations of this program with
	17	* other software, or any other product whatsoever.
	18	*
	19	* You should have received a copy of the GNU General Public License along
	20	* with this program; if not, write the Free Software Foundation, Inc., 59
	21	* Temple Place - Suite 330, Boston MA 02111-1307, USA.
	22	*
	23	* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
	24	* Mountain View, CA 94043, or:
	25	*
	26	* http://www.sgi.com
	27	*
	28	* For further information regarding this notice, see:
	29	*
	30	* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
	31	*/
	32	#ifndef __XFS_DIR2_SF_H__
	33	#define __XFS_DIR2_SF_H__
	34
	35	/*
	36	* Directory layout when stored internal to an inode.
	37	*
	38	* Small directories are packed as tightly as possible so as to
	39	* fit into the literal area of the inode.
	40	*/
	41
	42	struct uio;
	43	struct xfs_dabuf;
	44	struct xfs_da_args;
	45	struct xfs_dir2_block;
	46	struct xfs_inode;
	47	struct xfs_mount;
	48	struct xfs_trans;
	49
	50	/*
	51	* Maximum size of a shortform directory.
	52	*/
	53	#define XFS_DIR2_SF_MAX_SIZE \
	54	(XFS_DINODE_MAX_SIZE - (uint)sizeof(xfs_dinode_core_t) - \
	55	(uint)sizeof(xfs_agino_t))
	56
	57	/*
	58	* Inode number stored as 8 8-bit values.
	59	*/
	60	typedef struct { __uint8_t i[8]; } xfs_dir2_ino8_t;
	61
	62	/*
	63	* Inode number stored as 4 8-bit values.
	64	* Works a lot of the time, when all the inode numbers in a directory
65	* fit in 32 bits.
66	*/
67	typedef struct { __uint8_t i[4]; } xfs_dir2_ino4_t;
68
69	typedef union {
70	xfs_dir2_ino8_t i8;
71	xfs_dir2_ino4_t i4;
72	} xfs_dir2_inou_t;
73	#define XFS_DIR2_MAX_SHORT_INUM ((xfs_ino_t)0xffffffffULL)
74
75	/*
76	* Normalized offset (in a data block) of the entry, really xfs_dir2_data_off_t.
77	* Only need 16 bits, this is the byte offset into the single block form.
78	*/
79	typedef struct { __uint8_t i[2]; } xfs_dir2_sf_off_t;
80
81	/*
82	* The parent directory has a dedicated field, and the self-pointer must
83	* be calculated on the fly.
84	*
85	* Entries are packed toward the top as tightly as possible. The header
86	* and the elements must be memcpy'd out into a work area to get correct
87	* alignment for the inode number fields.
88	*/
89	typedef struct xfs_dir2_sf_hdr {
90	__uint8_t count; /* count of entries */
91	__uint8_t i8count; /* count of 8-byte inode #s */
92	xfs_dir2_inou_t parent; /* parent dir inode number */
93	} xfs_dir2_sf_hdr_t;
94
95	typedef struct xfs_dir2_sf_entry {
96	__uint8_t namelen; /* actual name length */
97	xfs_dir2_sf_off_t offset; /* saved offset */
98	__uint8_t name[1]; /* name, variable size */
99	xfs_dir2_inou_t inumber; /* inode number, var. offset */
100	} xfs_dir2_sf_entry_t;
101
102	typedef struct xfs_dir2_sf {
103	xfs_dir2_sf_hdr_t hdr; /* shortform header */
104	xfs_dir2_sf_entry_t list[1]; /* shortform entries */
105	} xfs_dir2_sf_t;
106
107	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_HDR_SIZE)
108	int xfs_dir2_sf_hdr_size(int i8count);
109	#define XFS_DIR2_SF_HDR_SIZE(i8count) xfs_dir2_sf_hdr_size(i8count)
110	#else
111	#define XFS_DIR2_SF_HDR_SIZE(i8count) \
112	((uint)sizeof(xfs_dir2_sf_hdr_t) - \
113	((i8count) == 0) * \
114	((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)))
115	#endif
116
117	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_INUMBERP)
118	xfs_dir2_inou_t xfs_dir2_sf_inumberp(xfs_dir2_sf_entry_t sfep);
119	#define XFS_DIR2_SF_INUMBERP(sfep) xfs_dir2_sf_inumberp(sfep)
120	#else
121	#define XFS_DIR2_SF_INUMBERP(sfep) \
122	((xfs_dir2_inou_t *)&(sfep)->name[(sfep)->namelen])
123	#endif
124
125	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_GET_INUMBER)
126	xfs_intino_t xfs_dir2_sf_get_inumber(xfs_dir2_sf_t sfp, xfs_dir2_inou_t from);
127	#define XFS_DIR2_SF_GET_INUMBER(sfp, from) \
128	xfs_dir2_sf_get_inumber(sfp, from)
129
130	#else
131	#define XFS_DIR2_SF_GET_INUMBER(sfp, from) \
132	((sfp)->hdr.i8count == 0 ? \
133	(xfs_intino_t)XFS_GET_DIR_INO4((from)->i4) : \
134	(xfs_intino_t)XFS_GET_DIR_INO8((from)->i8))
135	#endif
136
137	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_PUT_INUMBER)
138	void xfs_dir2_sf_put_inumber(xfs_dir2_sf_t sfp, xfs_ino_t from,
139	xfs_dir2_inou_t *to);
140	#define XFS_DIR2_SF_PUT_INUMBER(sfp,from,to) \
141	xfs_dir2_sf_put_inumber(sfp,from,to)
142	#else
143	#define XFS_DIR2_SF_PUT_INUMBER(sfp,from,to) \
144	if ((sfp)->hdr.i8count == 0) { \
145	XFS_PUT_DIR_INO4(*(from), (to)->i4); \
146	} else { \
147	XFS_PUT_DIR_INO8(*(from), (to)->i8); \
148	}
149	#endif
150
151	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_GET_OFFSET)
152	xfs_dir2_data_aoff_t xfs_dir2_sf_get_offset(xfs_dir2_sf_entry_t *sfep);
153	#define XFS_DIR2_SF_GET_OFFSET(sfep) \
154	xfs_dir2_sf_get_offset(sfep)
155	#else
156	#define XFS_DIR2_SF_GET_OFFSET(sfep) \
157	INT_GET_UNALIGNED_16_BE(&(sfep)->offset.i)
158	#endif
159
160	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_PUT_OFFSET)
161	void xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep,
162	xfs_dir2_data_aoff_t off);
163	#define XFS_DIR2_SF_PUT_OFFSET(sfep,off) \
164	xfs_dir2_sf_put_offset(sfep,off)
165	#else
166	#define XFS_DIR2_SF_PUT_OFFSET(sfep,off) \
167	INT_SET_UNALIGNED_16_BE(&(sfep)->offset.i,off)
168	#endif
169
170	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_ENTSIZE_BYNAME)
171	int xfs_dir2_sf_entsize_byname(xfs_dir2_sf_t *sfp, int len);
172	#define XFS_DIR2_SF_ENTSIZE_BYNAME(sfp,len) \
173	xfs_dir2_sf_entsize_byname(sfp,len)
174	#else
175	#define XFS_DIR2_SF_ENTSIZE_BYNAME(sfp,len) /* space a name uses */ \
176	((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (len) - \
177	((sfp)->hdr.i8count == 0) * \
178	((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)))
179	#endif
180
181	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_ENTSIZE_BYENTRY)
182	int xfs_dir2_sf_entsize_byentry(xfs_dir2_sf_t sfp, xfs_dir2_sf_entry_t sfep);
183	#define XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep) \
184	xfs_dir2_sf_entsize_byentry(sfp,sfep)
185	#else
186	#define XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep) /* space an entry uses */ \
187	((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (sfep)->namelen - \
188	((sfp)->hdr.i8count == 0) * \
189	((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)))
190	#endif
191
192	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_FIRSTENTRY)
193	xfs_dir2_sf_entry_t xfs_dir2_sf_firstentry(xfs_dir2_sf_t sfp);
194	#define XFS_DIR2_SF_FIRSTENTRY(sfp) xfs_dir2_sf_firstentry(sfp)
195	#else
196	#define XFS_DIR2_SF_FIRSTENTRY(sfp) /* first entry in struct */ \
197	((xfs_dir2_sf_entry_t *) \
198	((char *)(sfp) + XFS_DIR2_SF_HDR_SIZE(sfp->hdr.i8count)))
199	#endif
200
201	#if XFS_WANT_FUNCS \|\| (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_NEXTENTRY)
202	xfs_dir2_sf_entry_t xfs_dir2_sf_nextentry(xfs_dir2_sf_t sfp,
203	xfs_dir2_sf_entry_t *sfep);
204	#define XFS_DIR2_SF_NEXTENTRY(sfp,sfep) xfs_dir2_sf_nextentry(sfp,sfep)
205	#else
206	#define XFS_DIR2_SF_NEXTENTRY(sfp,sfep) /* next entry in struct */ \
207	((xfs_dir2_sf_entry_t *) \
208	((char *)(sfep) + XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep)))
209	#endif
210
211	/*
212	* Functions.
213	*/
214
215	extern int
216	xfs_dir2_block_sfsize(struct xfs_inode *dp,
217	struct xfs_dir2_block *block,
218	xfs_dir2_sf_hdr_t *sfhp);
219
220	extern int
221	xfs_dir2_block_to_sf(struct xfs_da_args args, struct xfs_dabuf bp,
222	int size, xfs_dir2_sf_hdr_t *sfhp);
223
224	extern int
225	xfs_dir2_sf_addname(struct xfs_da_args *args);
226
227	extern int
228	xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
229
230	extern int
231	xfs_dir2_sf_getdents(struct xfs_inode dp, struct uio uio, int *eofp,
232	struct xfs_dirent *dbp, xfs_dir2_put_t put);
233
234	extern int
235	xfs_dir2_sf_lookup(struct xfs_da_args *args);
236
237	extern int
238	xfs_dir2_sf_removename(struct xfs_da_args *args);
239
240	extern int
241	xfs_dir2_sf_replace(struct xfs_da_args *args);
242
243	#endif /* __XFS_DIR2_SF_H__ */