[PATCH v9 03/25] mm: Ignore return value of ->readpages

Matthew Wilcox
2020-03-20T14:25:32Z

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@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
---
mm/readahead.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/mm/readahead.c b/mm/readahead.c
index 41a592886da7..61b15b6b9e72 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;
}

/*
--
2.25.1