f2fs: drop page cache after fs shutdown
Don't remain dirtied page cache in f2fs after shutdown, it can mitigate
memory pressure of whole system, in order to keep other modules working
properly.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index f428f7b..6cba74e 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1716,6 +1716,12 @@ static int __write_data_page(struct page *page, bool *submitted,
trace_f2fs_writepage(page, DATA);
+ /* we should bypass data pages to proceed the kworkder jobs */
+ if (unlikely(f2fs_cp_error(sbi))) {
+ mapping_set_error(page->mapping, -EIO);
+ goto out;
+ }
+
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
goto redirty_out;
@@ -1740,12 +1746,6 @@ static int __write_data_page(struct page *page, bool *submitted,
available_free_memory(sbi, BASE_CHECK))))
goto redirty_out;
- /* we should bypass data pages to proceed the kworkder jobs */
- if (unlikely(f2fs_cp_error(sbi))) {
- mapping_set_error(page->mapping, -EIO);
- goto out;
- }
-
/* Dentry blocks are controlled by checkpoint */
if (S_ISDIR(inode->i_mode)) {
fio.need_lock = LOCK_DONE;
