btrfs: make extent_range_clear_dirty_for_io return void
Does not return any errors, nor anything from the callgraph. There's a BUG_ON but it's a sanity check and not an error condition we could recover from. Signed-off-by: David Sterba <dsterba@suse.com>
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@ -1451,7 +1451,7 @@ int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end)
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GFP_NOFS);
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}
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int extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end)
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void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end)
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{
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unsigned long index = start >> PAGE_CACHE_SHIFT;
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unsigned long end_index = end >> PAGE_CACHE_SHIFT;
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@ -1464,7 +1464,6 @@ int extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end)
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page_cache_release(page);
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index++;
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}
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return 0;
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}
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int extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end)
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@ -338,7 +338,7 @@ int map_private_extent_buffer(struct extent_buffer *eb, unsigned long offset,
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unsigned long min_len, char **map,
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unsigned long *map_start,
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unsigned long *map_len);
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int extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
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void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
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int extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end);
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void extent_clear_unlock_delalloc(struct inode *inode, u64 start, u64 end,
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struct page *locked_page,
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