btrfs: remove unused extent state bits
The last users are long gone. Signed-off-by: David Sterba <dsterba@suse.cz>
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@ -11,8 +11,6 @@
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#define EXTENT_NEW (1 << 4)
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#define EXTENT_DELALLOC (1 << 5)
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#define EXTENT_DEFRAG (1 << 6)
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#define EXTENT_DEFRAG_DONE (1 << 7)
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#define EXTENT_BUFFER_FILLED (1 << 8)
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#define EXTENT_BOUNDARY (1 << 9)
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#define EXTENT_NODATASUM (1 << 10)
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#define EXTENT_DO_ACCOUNTING (1 << 11)
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@ -34,7 +32,6 @@
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/* these are bit numbers for test/set bit */
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#define EXTENT_BUFFER_UPTODATE 0
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#define EXTENT_BUFFER_BLOCKING 1
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#define EXTENT_BUFFER_DIRTY 2
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#define EXTENT_BUFFER_CORRUPT 3
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#define EXTENT_BUFFER_READAHEAD 4 /* this got triggered by readahead */
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@ -57,7 +54,6 @@
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* map has page->private set to one.
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*/
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#define EXTENT_PAGE_PRIVATE 1
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#define EXTENT_PAGE_PRIVATE_FIRST_PAGE 3
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struct extent_state;
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struct btrfs_root;
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