aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--mm/readahead.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/readahead.c b/mm/readahead.c
index cbddc3e1724..2c0cc489e28 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -109,9 +109,12 @@ EXPORT_SYMBOL(read_cache_pages);
static int read_pages(struct address_space *mapping, struct file *filp,
struct list_head *pages, unsigned nr_pages)
{
+ 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);
/* Clean up the remaining pages */
@@ -129,7 +132,10 @@ static int read_pages(struct address_space *mapping, struct file *filp,
page_cache_release(page);
}
ret = 0;
+
out:
+ blk_finish_plug(&plug);
+
return ret;
}