47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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* Copyright (c) 2013 Red Hat, 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_ATTR_REMOTE_H__
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#define __XFS_ATTR_REMOTE_H__
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#define XFS_ATTR3_RMT_MAGIC 0x5841524d /* XARM */
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struct xfs_attr3_rmt_hdr {
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__be32 rm_magic;
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__be32 rm_offset;
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__be32 rm_bytes;
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__be32 rm_crc;
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uuid_t rm_uuid;
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__be64 rm_owner;
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__be64 rm_blkno;
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__be64 rm_lsn;
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};
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#define XFS_ATTR3_RMT_CRC_OFF offsetof(struct xfs_attr3_rmt_hdr, rm_crc)
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#define XFS_ATTR3_RMT_BUF_SPACE(mp, bufsize) \
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((bufsize) - (xfs_sb_version_hascrc(&(mp)->m_sb) ? \
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sizeof(struct xfs_attr3_rmt_hdr) : 0))
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extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops;
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int xfs_attr_rmtval_get(struct xfs_da_args *args);
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int xfs_attr_rmtval_set(struct xfs_da_args *args);
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int xfs_attr_rmtval_remove(struct xfs_da_args *args);
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#endif /* __XFS_ATTR_REMOTE_H__ */
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