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f2fs: decouple F2FS_MAP_ from buffer head flags
m_flags is never interchanged with the buffer_heads b_flags directly, so use separate codepoints from that. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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@ -692,13 +692,11 @@ struct extent_tree_info {
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};
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/*
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* This structure is taken from ext4_map_blocks.
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*
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* Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
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* State of block returned by f2fs_map_blocks.
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*/
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#define F2FS_MAP_NEW (1 << BH_New)
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#define F2FS_MAP_MAPPED (1 << BH_Mapped)
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#define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
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#define F2FS_MAP_NEW (1U << 0)
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#define F2FS_MAP_MAPPED (1U << 1)
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#define F2FS_MAP_UNWRITTEN (1U << 2)
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#define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
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F2FS_MAP_UNWRITTEN)
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