f2fs: fix to check dirty pages during compressed inode conversion

Compressed cluster can be generated during dirty data writeback,
if there is dirty pages on compressed inode, it needs to disable
converting compressed inode to non-compressed one.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 23013d3b59bae2c7b23dc8b70a6de56e24b53ec9..dbca4c6a7aaf0125b7b7308f946e60ed00f5ad6e 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3820,6 +3820,8 @@ static inline u64 f2fs_disable_compressed_file(struct inode *inode)
 
        if (!f2fs_compressed_file(inode))
                return 0;
+       if (get_dirty_pages(inode))
+               return 1;
        if (fi->i_compr_blocks)
                return fi->i_compr_blocks;