26 lines
927 B
C
26 lines
927 B
C
/*
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* Copyright 2000-2004 by Hans Reiser, licensing governed by
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* reiserfsprogs/README
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*/
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#ifndef REISERFS_POLICY_H
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#define REISERFS_POLICY_H
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/* this is aggressive tail suppression policy taken from the kernel */
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/* It should be REISERFS_DIRECT_MAX used here, but sometimes it is not enough,
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* and items got deleted. */
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#define reiserfs_policy_ext(n_file_size,n_tail_size,n_block_size) \
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( \
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(!(n_tail_size)) || \
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(((n_tail_size) > REISERFS_ITEM_MAX(n_block_size)) || \
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( (n_file_size) >= (n_block_size) * 4 ) || \
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( ( (n_file_size) >= (n_block_size) * 3 ) && \
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( (n_tail_size) >= (REISERFS_ITEM_MAX(n_block_size))/4) ) || \
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( ( (n_file_size) >= (n_block_size) * 2 ) && \
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( (n_tail_size) >= (REISERFS_ITEM_MAX(n_block_size))/2) ) || \
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( ( (n_file_size) >= (n_block_size) ) && \
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( (n_tail_size) >= (REISERFS_ITEM_MAX(n_block_size) * 3)/4) ) ) \
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)
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#endif
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