From 47425c36d3fbd00c9f5d1f76d6c70d05fa0274a1 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Sun, 29 Jul 2018 12:16:59 +0800 Subject: f2fs: fix to clear PG_checked flag in set_page_dirty() [ Upstream commit 66110abc4c931f879d70e83e1281f891699364bf ] PG_checked flag will be set on data page during GC, later, we can recognize such page by the flag and migrate page to cold segment. But previously, we don't clear this flag when invalidating data page, after page redirtying, we will write it into wrong log. Let's clear PG_checked flag in set_page_dirty() to avoid this. Signed-off-by: Weichao Guo Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/data.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fs/f2fs') diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 85142e5df88b..e10bd73f0723 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2190,6 +2190,10 @@ static int f2fs_set_data_page_dirty(struct page *page) if (!PageUptodate(page)) SetPageUptodate(page); + /* don't remain PG_checked flag which was set during GC */ + if (is_cold_data(page)) + clear_cold_data(page); + if (f2fs_is_atomic_file(inode) && !f2fs_is_commit_atomic_write(inode)) { if (!IS_ATOMIC_WRITTEN_PAGE(page)) { register_inmem_page(inode, page); -- cgit v1.2.3