/*
- * Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 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_EXPORT_H__
#define __XFS_EXPORT_H__
* Note, the NFS filehandle also includes an fsid portion which
* may have an inode number in it. That number is hardcoded to
* 32bits and there is no way for XFS to intercept it. In
- * practice this means when exporting an XFS filesytem with 64bit
+ * practice this means when exporting an XFS filesystem with 64bit
* inodes you should either export the mountpoint (rather than
* a subdirectory) or use the "fsid" export option.
*/
+struct xfs_fid64 {
+ u64 ino;
+ u32 gen;
+ u64 parent_ino;
+ u32 parent_gen;
+} __attribute__((packed));
+
/* This flag goes on the wire. Don't play with it. */
#define XFS_FILEID_TYPE_64FLAG 0x80 /* NFS fileid has 64bit inodes */
-/* Calculate the length in u32 units of the fileid data */
-static inline int
-xfs_fileid_length(int hasparent, int is64)
-{
- return hasparent ? (is64 ? 6 : 4) : (is64 ? 3 : 2);
-}
-
-/*
- * Decode encoded inode information (either for the inode itself
- * or the parent) into an xfs_fid2_t structure. Advances and
- * returns the new data pointer
- */
-static inline __u32 *
-xfs_fileid_decode_fid2(__u32 *p, xfs_fid2_t *fid, int is64)
-{
- fid->fid_len = sizeof(xfs_fid2_t) - sizeof(fid->fid_len);
- fid->fid_pad = 0;
- fid->fid_ino = *p++;
-#if XFS_BIG_INUMS
- if (is64)
- fid->fid_ino |= (((__u64)(*p++)) << 32);
-#endif
- fid->fid_gen = *p++;
- return p;
-}
-
-/*
- * Encode inode information (either for the inode itself or the
- * parent) into a fileid buffer. Advances and returns the new
- * data pointer.
- */
-static inline __u32 *
-xfs_fileid_encode_inode(__u32 *p, struct inode *inode, int is64)
-{
- *p++ = (__u32)inode->i_ino;
-#if XFS_BIG_INUMS
- if (is64)
- *p++ = (__u32)(inode->i_ino >> 32);
-#endif
- *p++ = inode->i_generation;
- return p;
-}
-
#endif /* __XFS_EXPORT_H__ */
projects / linux-2.6 / blobdiff