mm/readahead.c:do_readhead(): don't check for ->readpage

The callee force_page_cache_readahead() already does this and unlike do_readahead(), force_page_cache_readahead() remembers to check for ->readpages() as well. Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
niw · Nov 13, 2013 · 63d0f0a · 63d0f0a
1 parent 41ecc34
commit 63d0f0a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mm/readahead.c b/mm/readahead.c
@@ -569,7 +569,7 @@ static ssize_t
 do_readahead(struct address_space *mapping, struct file *filp,
 	     pgoff_t index, unsigned long nr)
 {
-	if (!mapping || !mapping->a_ops || !mapping->a_ops->readpage)
+	if (!mapping || !mapping->a_ops)
 		return -EINVAL;
 
 	force_page_cache_readahead(mapping, filp, index, nr);