diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index c2a849d653a9..21f4b5972311 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -32,7 +32,6 @@ #include <linux/sysctl.h> #include <linux/cpu.h> #include <linux/syscalls.h> -#include <linux/buffer_head.h> /* __set_page_dirty_buffers */ #include <linux/pagevec.h> #include <linux/timer.h> #include <linux/sched/rt.h> @@ -2555,13 +2554,9 @@ EXPORT_SYMBOL(redirty_page_for_writepage); /* * Dirty a page. * - * For pages with a mapping this should be done under the page lock - * for the benefit of asynchronous memory errors who prefer a consistent - * dirty state. This rule can be broken in some special cases, - * but should be better not to. - * - * If the mapping doesn't provide a set_page_dirty a_op, then - * just fall through and assume that it wants buffer_heads. + * For pages with a mapping this should be done under the page lock for the + * benefit of asynchronous memory errors who prefer a consistent dirty state. + * This rule can be broken in some special cases, but should be better not to. */ int set_page_dirty(struct page *page) { @@ -2569,7 +2564,6 @@ int set_page_dirty(struct page *page) page = compound_head(page); if (likely(mapping)) { - int (*spd)(struct page *) = mapping->a_ops->set_page_dirty; /* * readahead/lru_deactivate_page could remain * PG_readahead/PG_reclaim due to race with end_page_writeback @@ -2582,11 +2576,7 @@ int set_page_dirty(struct page *page) */ if (PageReclaim(page)) ClearPageReclaim(page); -#ifdef CONFIG_BLOCK - if (!spd) - spd = __set_page_dirty_buffers; -#endif - return (*spd)(page); + return mapping->a_ops->set_page_dirty(page); } if (!PageDirty(page)) { if (!TestSetPageDirty(page)) |