From: Coly Li Date: Thu, 9 Apr 2020 14:17:22 +0000 (+0800) Subject: raid5: update code comment of scribble_alloc() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7f8a30e5d253793d660f30b7475d7bb41efd40b8;p=linux.git raid5: update code comment of scribble_alloc() Code comments of scribble_alloc() is outdated for a while. This patch update the comments in function header for the new parameter list. Suggested-by: Song Liu Signed-off-by: Coly Li Signed-off-by: Song Liu --- diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 190dd70db514b..ab8067f9ce8c6 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2215,10 +2215,13 @@ static int grow_stripes(struct r5conf *conf, int num) } /** - * scribble_len - return the required size of the scribble region + * scribble_alloc - allocate percpu scribble buffer for required size + * of the scribble region + * @percpu - from for_each_present_cpu() of the caller * @num - total number of disks in the array + * @cnt - scribble objs count for required size of the scribble region * - * The size must be enough to contain: + * The scribble buffer size must be enough to contain: * 1/ a struct page pointer for each device in the array +2 * 2/ room to convert each entry in (1) to its corresponding dma * (dma_map_page()) or page (page_address()) address.