f2fs: fix to wait GCed compressed page writeback

like we did for encrypted page.

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

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index b3ecf7d4d6d881662bdff0218b3877ed5674b324..3a847bc367482878992061aa93ddf6d73b675371 100644 (file)
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -1152,6 +1152,13 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
                f2fs_set_compressed_page(cc->cpages[i], inode,
                                        cc->rpages[i + 1]->index, cic);
                fio.compressed_page = cc->cpages[i];
+
+               fio.old_blkaddr = data_blkaddr(dn.inode, dn.node_page,
+                                               dn.ofs_in_node + i + 1);
+
+               /* wait for GCed page writeback via META_MAPPING */
+               f2fs_wait_on_block_writeback(inode, fio.old_blkaddr);
+
                if (fio.encrypted) {
                        fio.page = cc->rpages[i + 1];
                        err = f2fs_encrypt_one_page(&fio);