[PATCH v2 6/7] Good bye remove_from_page_cache

[Minchan Kim]

Now delete_from_page_cache replaces remove_from_page_cache.
So we remove remove_from_page_cache so fs or something out of
mainline will notice it when compile time and can fix it.

Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Acked-by: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx>
---
 include/linux/pagemap.h |    1 -
 mm/filemap.c            |   27 +++++++++++----------------
 2 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 7a1cb49..7bf6587 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -455,7 +455,6 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping,
 				pgoff_t index, gfp_t gfp_mask);
 int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
 				pgoff_t index, gfp_t gfp_mask);
-extern void remove_from_page_cache(struct page *page);
 extern void __remove_from_page_cache(struct page *page);
 extern void delete_from_page_cache(struct page *page);
 
diff --git a/mm/filemap.c b/mm/filemap.c
index 1ca7475..a4c43f7 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -148,7 +148,17 @@ void __remove_from_page_cache(struct page *page)
 	}
 }
 
-void remove_from_page_cache(struct page *page)
+/**
+ * delete_from_page_cache - delete page from page cache
+ *
+ * @page: the page which the kernel is trying to remove from page cache
+ *
+ * This must be called only on pages that have
+ * been verified to be in the page cache and locked.
+ * It will never put the page into the free list,
+ * the caller has a reference on the page.
+ */
+void delete_from_page_cache(struct page *page)
 {
 	struct address_space *mapping = page->mapping;
 	void (*freepage)(struct page *);
@@ -163,22 +173,7 @@ void remove_from_page_cache(struct page *page)
 
 	if (freepage)
 		freepage(page);
-}
-EXPORT_SYMBOL(remove_from_page_cache);
 
-/**
- * delete_from_page_cache - delete page from page cache
- *
- * @page: the page which the kernel is trying to remove from page cache
- *
- * This must be called only on pages that have
- * been verified to be in the page cache and locked.
- * It will never put the page into the free list,
- * the caller has a reference on the page.
- */
-void delete_from_page_cache(struct page *page)
-{
-	remove_from_page_cache(page);
 	page_cache_release(page);
 }
 EXPORT_SYMBOL(delete_from_page_cache);
-- 
1.7.0.4

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