From: Johannes Weiner <jweiner@redhat.com>
Date: Mon, 25 Jul 2011 20:35:35 +0000 (+0200)
Subject: fuse: mark pages accessed when written to
X-Git-Tag: firefly_0821_release~3680^2~4595^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=478e0841b3dce3edc2c67bf0fc51af30f582e9e2;p=firefly-linux-kernel-4.4.55.git

fuse: mark pages accessed when written to

As fuse does not use the page cache library functions when userspace
writes to a file, it did not benefit from 'c8236db mm: mark page
accessed before we write_end()' that made sure pages are properly
marked accessed when written to.

Signed-off-by: Johannes Weiner <jweiner@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index ab5b84ef4354..7155f49b2ef6 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -14,6 +14,7 @@
 #include <linux/sched.h>
 #include <linux/module.h>
 #include <linux/compat.h>
+#include <linux/swap.h>
 
 static const struct file_operations fuse_direct_io_file_operations;
 
@@ -834,6 +835,8 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req,
 		pagefault_enable();
 		flush_dcache_page(page);
 
+		mark_page_accessed(page);
+
 		if (!tmp) {
 			unlock_page(page);
 			page_cache_release(page);