iomap: move iomap_read_inline_data around

iomap_read_inline_data ended up being placed in the middle of the bio
based read I/O completion handling, which tends to confuse the heck out
of me whenever I follow the code.  Move it to a more suitable place.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/iomap.c

@@ -240,26 +240,6 @@ iomap_read_page_end_io(struct bio_vec *bvec, int error)
 	iomap_read_finish(iop, page);
 }
 
-static void
-iomap_read_inline_data(struct inode *inode, struct page *page,
-		struct iomap *iomap)
-{
-	size_t size = i_size_read(inode);
-	void *addr;
-
-	if (PageUptodate(page))
-		return;
-
-	BUG_ON(page->index);
-	BUG_ON(size > PAGE_SIZE - offset_in_page(iomap->inline_data));
-
-	addr = kmap_atomic(page);
-	memcpy(addr, iomap->inline_data, size);
-	memset(addr + size, 0, PAGE_SIZE - size);
-	kunmap_atomic(addr);
-	SetPageUptodate(page);
-}
-
 static void
 iomap_read_end_io(struct bio *bio)
 {
@@ -281,6 +261,26 @@ struct iomap_readpage_ctx {
 	struct list_head	*pages;
 };
 
+static void
+iomap_read_inline_data(struct inode *inode, struct page *page,
+		struct iomap *iomap)
+{
+	size_t size = i_size_read(inode);
+	void *addr;
+
+	if (PageUptodate(page))
+		return;
+
+	BUG_ON(page->index);
+	BUG_ON(size > PAGE_SIZE - offset_in_page(iomap->inline_data));
+
+	addr = kmap_atomic(page);
+	memcpy(addr, iomap->inline_data, size);
+	memset(addr + size, 0, PAGE_SIZE - size);
+	kunmap_atomic(addr);
+	SetPageUptodate(page);
+}
+
 static loff_t
 iomap_readpage_actor(struct inode *inode, loff_t pos, loff_t length, void *data,
 		struct iomap *iomap)