/*
- * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000,2005 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
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms 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.
+ * 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. See the
+ * GNU General Public License for more details.
*
- * 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/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __XFS_DIR2_DATA_H__
#define __XFS_DIR2_DATA_H__
* The freespace will be formatted as a xfs_dir2_data_unused_t.
*/
typedef struct xfs_dir2_data_free {
- xfs_dir2_data_off_t offset; /* start of freespace */
- xfs_dir2_data_off_t length; /* length of freespace */
+ __be16 offset; /* start of freespace */
+ __be16 length; /* length of freespace */
} xfs_dir2_data_free_t;
/*
* The code knows that XFS_DIR2_DATA_FD_COUNT is 3.
*/
typedef struct xfs_dir2_data_hdr {
- __uint32_t magic; /* XFS_DIR2_DATA_MAGIC */
+ __be32 magic; /* XFS_DIR2_DATA_MAGIC */
/* or XFS_DIR2_BLOCK_MAGIC */
xfs_dir2_data_free_t bestfree[XFS_DIR2_DATA_FD_COUNT];
} xfs_dir2_data_hdr_t;
* Tag appears as the last 2 bytes.
*/
typedef struct xfs_dir2_data_unused {
- __uint16_t freetag; /* XFS_DIR2_DATA_FREE_TAG */
- xfs_dir2_data_off_t length; /* total free length */
+ __be16 freetag; /* XFS_DIR2_DATA_FREE_TAG */
+ __be16 length; /* total free length */
/* variable offset */
- xfs_dir2_data_off_t tag; /* starting offset of us */
+ __be16 tag; /* starting offset of us */
} xfs_dir2_data_unused_t;
typedef union {
/*
* Size of a data entry.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_DATA_ENTSIZE)
-int xfs_dir2_data_entsize(int n);
#define XFS_DIR2_DATA_ENTSIZE(n) xfs_dir2_data_entsize(n)
-#else
-#define XFS_DIR2_DATA_ENTSIZE(n) \
- ((int)(roundup(offsetof(xfs_dir2_data_entry_t, name[0]) + (n) + \
- (uint)sizeof(xfs_dir2_data_off_t), XFS_DIR2_DATA_ALIGN)))
-#endif
+static inline int xfs_dir2_data_entsize(int n)
+{
+ return (int)roundup(offsetof(xfs_dir2_data_entry_t, name[0]) + (n) + \
+ (uint)sizeof(xfs_dir2_data_off_t), XFS_DIR2_DATA_ALIGN);
+}
/*
* Pointer to an entry's tag word.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_DATA_ENTRY_TAG_P)
-xfs_dir2_data_off_t *xfs_dir2_data_entry_tag_p(xfs_dir2_data_entry_t *dep);
#define XFS_DIR2_DATA_ENTRY_TAG_P(dep) xfs_dir2_data_entry_tag_p(dep)
-#else
-#define XFS_DIR2_DATA_ENTRY_TAG_P(dep) \
- ((xfs_dir2_data_off_t *)\
- ((char *)(dep) + XFS_DIR2_DATA_ENTSIZE((dep)->namelen) - \
- (uint)sizeof(xfs_dir2_data_off_t)))
-#endif
+static inline __be16 *
+xfs_dir2_data_entry_tag_p(xfs_dir2_data_entry_t *dep)
+{
+ return (__be16 *)((char *)dep +
+ XFS_DIR2_DATA_ENTSIZE(dep->namelen) - sizeof(__be16));
+}
/*
* Pointer to a freespace's tag word.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_DATA_UNUSED_TAG_P)
-xfs_dir2_data_off_t *xfs_dir2_data_unused_tag_p(xfs_dir2_data_unused_t *dup);
#define XFS_DIR2_DATA_UNUSED_TAG_P(dup) \
xfs_dir2_data_unused_tag_p(dup)
-#else
-#define XFS_DIR2_DATA_UNUSED_TAG_P(dup) \
- ((xfs_dir2_data_off_t *)\
- ((char *)(dup) + INT_GET((dup)->length, ARCH_CONVERT) \
- - (uint)sizeof(xfs_dir2_data_off_t)))
-#endif
+static inline __be16 *
+xfs_dir2_data_unused_tag_p(xfs_dir2_data_unused_t *dup)
+{
+ return (__be16 *)((char *)dup +
+ be16_to_cpu(dup->length) - sizeof(__be16));
+}
/*
* Function declarations.
*/
-
#ifdef DEBUG
-extern void
- xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_dabuf *bp);
+extern void xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_dabuf *bp);
#else
#define xfs_dir2_data_check(dp,bp)
#endif
-
-extern xfs_dir2_data_free_t *
- xfs_dir2_data_freefind(xfs_dir2_data_t *d,
- xfs_dir2_data_unused_t *dup);
-
-extern xfs_dir2_data_free_t *
- xfs_dir2_data_freeinsert(xfs_dir2_data_t *d,
- xfs_dir2_data_unused_t *dup, int *loghead);
-
-extern void
- xfs_dir2_data_freeremove(xfs_dir2_data_t *d,
- xfs_dir2_data_free_t *dfp, int *loghead);
-
-extern void
- xfs_dir2_data_freescan(struct xfs_mount *mp, xfs_dir2_data_t *d,
- int *loghead, char *aendp);
-
-extern int
- xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
- struct xfs_dabuf **bpp);
-
-extern void
- xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_dabuf *bp,
+extern xfs_dir2_data_free_t *xfs_dir2_data_freefind(xfs_dir2_data_t *d,
+ xfs_dir2_data_unused_t *dup);
+extern xfs_dir2_data_free_t *xfs_dir2_data_freeinsert(xfs_dir2_data_t *d,
+ xfs_dir2_data_unused_t *dup, int *loghead);
+extern void xfs_dir2_data_freescan(struct xfs_mount *mp, xfs_dir2_data_t *d,
+ int *loghead, char *aendp);
+extern int xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
+ struct xfs_dabuf **bpp);
+extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_dabuf *bp,
xfs_dir2_data_entry_t *dep);
-
-extern void
- xfs_dir2_data_log_header(struct xfs_trans *tp, struct xfs_dabuf *bp);
-
-extern void
- xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_dabuf *bp,
- xfs_dir2_data_unused_t *dup);
-
-extern void
- xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_dabuf *bp,
+extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
+ struct xfs_dabuf *bp);
+extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_dabuf *bp,
+ xfs_dir2_data_unused_t *dup);
+extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_dabuf *bp,
xfs_dir2_data_aoff_t offset,
xfs_dir2_data_aoff_t len, int *needlogp,
int *needscanp);
-
-extern void
- xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_dabuf *bp,
+extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_dabuf *bp,
xfs_dir2_data_unused_t *dup,
xfs_dir2_data_aoff_t offset,
xfs_dir2_data_aoff_t len, int *needlogp,
git://git.onelab.eu / linux-2.6.git / blobdiff