btrfs: move inline function code to header file
When building btrfs from kernel code, it will report: fs/btrfs/extent_io.h:281: warning: 'extent_buffer_page' declared inline after being called fs/btrfs/extent_io.h:281: warning: previous declaration of 'extent_buffer_page' was here fs/btrfs/extent_io.h:280: warning: 'num_extent_pages' declared inline after being called fs/btrfs/extent_io.h:280: warning: previous declaration of 'num_extent_pages' was here because of the wrong declaration of inline functions. Signed-off-by: Robin Dong <sanbai@taobao.com>
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@ -3986,18 +3986,6 @@ out:
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return ret;
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}
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inline struct page *extent_buffer_page(struct extent_buffer *eb,
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unsigned long i)
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{
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return eb->pages[i];
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}
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inline unsigned long num_extent_pages(u64 start, u64 len)
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{
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return ((start + len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT) -
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(start >> PAGE_CACHE_SHIFT);
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}
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static void __free_extent_buffer(struct extent_buffer *eb)
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{
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#if LEAK_DEBUG
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@ -282,8 +282,18 @@ void free_extent_buffer_stale(struct extent_buffer *eb);
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int read_extent_buffer_pages(struct extent_io_tree *tree,
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struct extent_buffer *eb, u64 start, int wait,
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get_extent_t *get_extent, int mirror_num);
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unsigned long num_extent_pages(u64 start, u64 len);
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struct page *extent_buffer_page(struct extent_buffer *eb, unsigned long i);
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static inline unsigned long num_extent_pages(u64 start, u64 len)
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{
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return ((start + len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT) -
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(start >> PAGE_CACHE_SHIFT);
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}
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static inline struct page *extent_buffer_page(struct extent_buffer *eb,
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unsigned long i)
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{
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return eb->pages[i];
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}
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static inline void extent_buffer_get(struct extent_buffer *eb)
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{
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