From: Neil Brown <neilb@suse.de>
Date: Fri, 18 Nov 2005 09:10:59 +0000 (-0800)
Subject: [PATCH] md: don't pass a NULL file* into ->prepare_write()
X-Git-Tag: v2.6.15-rc2~27
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=34ef75f09f09611b62ae11ae36c3c7b0a6a8a9cb;p=platform%2Fkernel%2Flinux-exynos.git

[PATCH] md: don't pass a NULL file* into ->prepare_write()

Some filesystems go oops.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 5131530..252d55d 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -326,9 +326,9 @@ static int write_page(struct bitmap *bitmap, struct page *page, int wait)
 		}
 	}
 
-	ret = page->mapping->a_ops->prepare_write(NULL, page, 0, PAGE_SIZE);
+	ret = page->mapping->a_ops->prepare_write(bitmap->file, page, 0, PAGE_SIZE);
 	if (!ret)
-		ret = page->mapping->a_ops->commit_write(NULL, page, 0,
+		ret = page->mapping->a_ops->commit_write(bitmap->file, page, 0,
 			PAGE_SIZE);
 	if (ret) {
 		unlock_page(page);