diff options
| -rw-r--r-- | mm/page-writeback.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index cc0ede169e41..24b7ac2bc36b 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1039,11 +1039,17 @@ static int __writepage(struct page *page, struct writeback_control *wbc, int generic_writepages(struct address_space *mapping, struct writeback_control *wbc) { + struct blk_plug plug; + int ret; + /* deal with chardevs and other special file */ if (!mapping->a_ops->writepage) return 0; - return write_cache_pages(mapping, wbc, __writepage, mapping); + blk_start_plug(&plug); + ret = write_cache_pages(mapping, wbc, __writepage, mapping); + blk_finish_plug(&plug); + return ret; } EXPORT_SYMBOL(generic_writepages); |