fuse: use release_pages()

Replace iterated page_cache_release() with release_pages(), which is faster and shorter. Needs release_pages() to be exported to modules. Suggested-by: Andrew Morton <[email protected]> Signed-off-by: Miklos Szeredi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
kyagi · Oct 28, 2010 · 0be8557 · 0be8557
1 parent d57af9b
commit 0be8557
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Showing 2 changed files with 2 additions and 6 deletions.
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
@@ -1334,12 +1334,7 @@ static int fuse_notify_store(struct fuse_conn *fc, unsigned int size,
 
 static void fuse_retrieve_end(struct fuse_conn *fc, struct fuse_req *req)
 {
-	int i;
-
-	for (i = 0; i < req->num_pages; i++) {
-		struct page *page = req->pages[i];
-		page_cache_release(page);
-	}
+	release_pages(req->pages, req->num_pages, 0);
 }
 
 static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,

diff --git a/mm/swap.c b/mm/swap.c
@@ -378,6 +378,7 @@ void release_pages(struct page **pages, int nr, int cold)
 
 	pagevec_free(&pages_to_free);
 }
+EXPORT_SYMBOL(release_pages);
 
 /*
  * The pages which we're about to release may be in the deferred lru-addition
-Original file line number
+Diff line change
@@ Expand Up / @@ -378,6 +378,7 @@ void release_pages(struct page **pages, int nr, int cold) @@
     	pagevec_free(&pages_to_free);
     }
+    EXPORT_SYMBOL(release_pages);
     /*
      * The pages which we're about to release may be in the deferred lru-addition
@@ Expand Down @@