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Message-Id: <20200125013553.24899-3-willy@infradead.org>
Date:   Fri, 24 Jan 2020 17:35:43 -0800
From:   Matthew Wilcox <willy@...radead.org>
To:     linux-fsdevel@...r.kernel.org
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH 02/12] readahead: Ignore return value of ->readpages

From: "Matthew Wilcox (Oracle)" <willy@...radead.org>

We used to assign the return value to a variable, which we then ignored.
Remove the pretence of caring.

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
---
 mm/readahead.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/mm/readahead.c b/mm/readahead.c
index 6bf73ef33b7e..fc77d13af556 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -113,17 +113,16 @@ int read_cache_pages(struct address_space *mapping, struct list_head *pages,
 
 EXPORT_SYMBOL(read_cache_pages);
 
-static int read_pages(struct address_space *mapping, struct file *filp,
+static void read_pages(struct address_space *mapping, struct file *filp,
 		struct list_head *pages, unsigned int nr_pages, gfp_t gfp)
 {
 	struct blk_plug plug;
 	unsigned page_idx;
-	int ret;
 
 	blk_start_plug(&plug);
 
 	if (mapping->a_ops->readpages) {
-		ret = mapping->a_ops->readpages(filp, mapping, pages, nr_pages);
+		mapping->a_ops->readpages(filp, mapping, pages, nr_pages);
 		/* Clean up the remaining pages */
 		put_pages_list(pages);
 		goto out;
@@ -136,12 +135,9 @@ static int read_pages(struct address_space *mapping, struct file *filp,
 			mapping->a_ops->readpage(filp, page);
 		put_page(page);
 	}
-	ret = 0;
 
 out:
 	blk_finish_plug(&plug);
-
-	return ret;
 }
 
 /*
-- 
2.24.1

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