f2fs: clear page's up-to-date if block was deallocated
If page's on-disk block was deallocated, let's remove up-to-date flag to avoid
further access with wrong contents.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ae5c414..62e31b2 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1259,8 +1259,10 @@
fio->blk_addr = dn.data_blkaddr;
/* This page is already truncated */
- if (fio->blk_addr == NULL_ADDR)
+ if (fio->blk_addr == NULL_ADDR) {
+ ClearPageUptodate(page);
goto out_writepage;
+ }
set_page_writeback(page);
@@ -1355,6 +1357,8 @@
clear_cold_data(page);
out:
inode_dec_dirty_pages(inode);
+ if (err)
+ ClearPageUptodate(page);
unlock_page(page);
if (need_balance_fs)
f2fs_balance_fs(sbi);
