From 4741c9fd36b3bcadd37238321c469049da94a4b9 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Fri, 24 Mar 2006 03:18:11 -0800 Subject: [PATCH] set_page_dirty() return value fixes We need set_page_dirty() to return true if it actually transitioned the page from a clean to dirty state. This wasn't right in a couple of places. Do a kernel-wide audit, fix things up. This leaves open the possibility of returning a negative errno from set_page_dirty() sometime in the future. But we don't do that at present. Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/rd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/block') diff --git a/drivers/block/rd.c b/drivers/block/rd.c index 1c54f46d3f70..940bfd7951e5 100644 --- a/drivers/block/rd.c +++ b/drivers/block/rd.c @@ -186,7 +186,8 @@ static int ramdisk_writepages(struct address_space *mapping, */ static int ramdisk_set_page_dirty(struct page *page) { - SetPageDirty(page); + if (!TestSetPageDirty(page)) + return 1; return 0; } -- cgit v1.2.3