diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 0c4c8a357742..7bd6f9f108ec 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -357,14 +357,20 @@ static void f2fs_write_end_io(struct bio *bio) page_folio(page)->index != nid_of_node(page)); dec_page_count(sbi, type); + + /* + * we should access sbi before end_page_writeback() to + * avoid racing w/ kill_f2fs_super() + */ + if (type == F2FS_WB_CP_DATA && !get_pages(sbi, type) && + wq_has_sleeper(&sbi->cp_wait)) + wake_up(&sbi->cp_wait); + if (f2fs_in_warm_node_list(sbi, page)) f2fs_del_fsync_node_entry(sbi, page); clear_page_private_gcing(page); end_page_writeback(page); } - if (!get_pages(sbi, F2FS_WB_CP_DATA) && - wq_has_sleeper(&sbi->cp_wait)) - wake_up(&sbi->cp_wait); bio_put(bio); }