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328d5752e1
Writes to a region marked as unwritten might result in a record split or merge. We can support splits by making minor changes to the existing insert code. Merges require left rotations which mostly re-use right rotation support functions. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* -*- mode: c; c-basic-offset: 8; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* Copyright (C) 2005 Oracle. 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
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will 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 GNU
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* 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
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef OCFS2_ENDIAN_H
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#define OCFS2_ENDIAN_H
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static inline void le16_add_cpu(__le16 *var, u16 val)
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{
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*var = cpu_to_le16(le16_to_cpu(*var) + val);
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}
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static inline void le32_add_cpu(__le32 *var, u32 val)
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{
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*var = cpu_to_le32(le32_to_cpu(*var) + val);
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}
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static inline void le64_add_cpu(__le64 *var, u64 val)
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{
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*var = cpu_to_le64(le64_to_cpu(*var) + val);
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}
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static inline void le32_and_cpu(__le32 *var, u32 val)
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{
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*var = cpu_to_le32(le32_to_cpu(*var) & val);
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}
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static inline void be32_add_cpu(__be32 *var, u32 val)
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{
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*var = cpu_to_be32(be32_to_cpu(*var) + val);
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}
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#endif /* OCFS2_ENDIAN_H */
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