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c59d87c460
Use the move from Linux 2.6 to Linux 3.x as an excuse to kill the annoying subdirectories in the XFS source code. Besides the large amount of file rename the only changes are to the Makefile, a few files including headers with the subdirectory prefix, and the binary sysctl compat code that includes a header under fs/xfs/ from kernel/. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Alex Elder <aelder@sgi.com>
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* Copyright (c) 2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_EXPORT_H__
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#define __XFS_EXPORT_H__
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/*
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* Common defines for code related to exporting XFS filesystems over NFS.
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*
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* The NFS fileid goes out on the wire as an array of
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* 32bit unsigned ints in host order. There are 5 possible
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* formats.
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*
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* (1) fileid_type=0x00
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* (no fileid data; handled by the generic code)
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*
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* (2) fileid_type=0x01
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* inode-num
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* generation
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*
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* (3) fileid_type=0x02
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* inode-num
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* generation
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* parent-inode-num
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* parent-generation
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*
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* (4) fileid_type=0x81
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* inode-num-lo32
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* inode-num-hi32
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* generation
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*
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* (5) fileid_type=0x82
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* inode-num-lo32
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* inode-num-hi32
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* generation
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* parent-inode-num-lo32
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* parent-inode-num-hi32
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* parent-generation
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*
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* Note, the NFS filehandle also includes an fsid portion which
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* may have an inode number in it. That number is hardcoded to
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* 32bits and there is no way for XFS to intercept it. In
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* practice this means when exporting an XFS filesystem with 64bit
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* inodes you should either export the mountpoint (rather than
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* a subdirectory) or use the "fsid" export option.
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*/
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struct xfs_fid64 {
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u64 ino;
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u32 gen;
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u64 parent_ino;
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u32 parent_gen;
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} __attribute__((packed));
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/* This flag goes on the wire. Don't play with it. */
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#define XFS_FILEID_TYPE_64FLAG 0x80 /* NFS fileid has 64bit inodes */
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#endif /* __XFS_EXPORT_H__ */
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