diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 9f61dfec6a1f..bdbe8b6b1225 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * mm/page-writeback.c * @@ -2808,6 +2809,18 @@ int __test_set_page_writeback(struct page *page, bool keep_write) } EXPORT_SYMBOL(__test_set_page_writeback); +/* + * Wait for a page to complete writeback + */ +void wait_on_page_writeback(struct page *page) +{ + if (PageWriteback(page)) { + trace_wait_on_page_writeback(page, page_mapping(page)); + wait_on_page_bit(page, PG_writeback); + } +} +EXPORT_SYMBOL_GPL(wait_on_page_writeback); + /** * wait_for_stable_page() - wait for writeback to finish, if necessary. * @page: The page to wait on. |