From e8d60ff9281aebe5f29cda0abbdf336708082fb6 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 14 Aug 2025 06:26:38 +0200 Subject: [PATCH] mm: remove write_cache_pages No users left. Signed-off-by: Christoph Hellwig --- include/linux/writeback.h | 6 ------ mm/page-writeback.c | 30 ------------------------------ 2 files changed, 36 deletions(-) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index a2848d731a46..2a7e134d03ee 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -360,12 +360,6 @@ bool wb_over_bg_thresh(struct bdi_writeback *wb); struct folio *writeback_iter(struct address_space *mapping, struct writeback_control *wbc, struct folio *folio, int *error); -typedef int (*writepage_t)(struct folio *folio, struct writeback_control *wbc, - void *data); - -int write_cache_pages(struct address_space *mapping, - struct writeback_control *wbc, writepage_t writepage, - void *data); int do_writepages(struct address_space *mapping, struct writeback_control *wbc); void writeback_set_ratelimit(void); void tag_pages_for_writeback(struct address_space *mapping, diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 3e248d1c3969..7e1e798e7213 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2590,36 +2590,6 @@ done: } EXPORT_SYMBOL_GPL(writeback_iter); -/** - * write_cache_pages - walk the list of dirty pages of the given address space and write all of them. - * @mapping: address space structure to write - * @wbc: subtract the number of written pages from *@wbc->nr_to_write - * @writepage: function called for each page - * @data: data passed to writepage function - * - * Return: %0 on success, negative error code otherwise - * - * Note: please use writeback_iter() instead. - */ -int write_cache_pages(struct address_space *mapping, - struct writeback_control *wbc, writepage_t writepage, - void *data) -{ - struct folio *folio = NULL; - int error; - - while ((folio = writeback_iter(mapping, wbc, folio, &error))) { - error = writepage(folio, wbc, data); - if (error == AOP_WRITEPAGE_ACTIVATE) { - folio_unlock(folio); - error = 0; - } - } - - return error; -} -EXPORT_SYMBOL(write_cache_pages); - int do_writepages(struct address_space *mapping, struct writeback_control *wbc) { int ret; -- 2.51.0