f2fs: use MAX_BIO_BLOCKS(sbi)

This patch cleans up a simple macro.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 7a2d9c9..21ed91b 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1697,7 +1697,7 @@
 	struct f2fs_summary *sum_entry;
 	struct inode *inode = sbi->sb->s_bdev->bd_inode;
 	block_t addr;
-	int bio_blocks = MAX_BIO_BLOCKS(max_hw_blocks(sbi));
+	int bio_blocks = MAX_BIO_BLOCKS(sbi);
 	struct page *pages[bio_blocks];
 	int i, idx, last_offset, nrpages, err = 0;