a49d0c5077
Move wait_for_stable_page() into the folio compatibility file. folio_wait_stable() avoids a call to compound_head() and is 14 bytes smaller than wait_for_stable_page() was. The net text size grows by 16 bytes as a result of this patch. We can also remove thp_head() as this was the last user. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Jeff Layton <jlayton@kernel.org> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: William Kucharski <william.kucharski@oracle.com> Reviewed-by: David Howells <dhowells@redhat.com>
37 lines
848 B
C
37 lines
848 B
C
/*
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* Compatibility functions which bloat the callers too much to make inline.
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* All of the callers of these functions should be converted to use folios
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* eventually.
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*/
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#include <linux/pagemap.h>
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struct address_space *page_mapping(struct page *page)
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{
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return folio_mapping(page_folio(page));
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}
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EXPORT_SYMBOL(page_mapping);
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void unlock_page(struct page *page)
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{
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return folio_unlock(page_folio(page));
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}
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EXPORT_SYMBOL(unlock_page);
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void end_page_writeback(struct page *page)
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{
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return folio_end_writeback(page_folio(page));
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}
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EXPORT_SYMBOL(end_page_writeback);
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void wait_on_page_writeback(struct page *page)
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{
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return folio_wait_writeback(page_folio(page));
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}
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EXPORT_SYMBOL_GPL(wait_on_page_writeback);
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void wait_for_stable_page(struct page *page)
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{
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return folio_wait_stable(page_folio(page));
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}
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EXPORT_SYMBOL_GPL(wait_for_stable_page);
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