From b9dab63a2cfcb4f8ee2265c97fd304b6cf4a1f82 Mon Sep 17 00:00:00 2001 From: Seung-Woo Kim Date: Fri, 31 Jul 2020 15:38:14 +0900 Subject: [PATCH] Revert "brd: remove unused brd_mutex" This reverts commit 15f7b41f70ddcca3b555bd0fdc7c8da7466b517e. To support brd flush to free ramdisk brd_mutex is required. Change-Id: Ide75bcb73812c3c7e04bfe6ebaed0d6d511e01dd Signed-off-by: Seung-Woo Kim --- drivers/block/brd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 79f18cf..047ae4f 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -53,6 +53,7 @@ struct brd_device { /* * Look up and return a brd's page for a given sector. */ +static DEFINE_MUTEX(brd_mutex); static struct page *brd_lookup_page(struct brd_device *brd, sector_t sector) { pgoff_t idx; -- 2.7.4