From: Jan Kara <jack@suse.cz>
Date: Fri, 23 Dec 2011 10:53:07 +0000 (+0100)
Subject: udf: Mark LVID buffer as uptodate before marking it dirty
X-Git-Tag: stable/for-linus-3.4-tag~63^2~2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=853a0c25baf96b028de1654bea1e0c8857eadf3d;p=users%2Fdwmw2%2Flinux.git

udf: Mark LVID buffer as uptodate before marking it dirty

When we hit EIO while writing LVID, the buffer uptodate bit is cleared.
This then results in an anoying warning from mark_buffer_dirty() when we
write the buffer again. So just set uptodate flag unconditionally.

Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---

diff --git a/fs/udf/super.c b/fs/udf/super.c
index e185253470dfa..87cb24a0ee7b3 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1799,6 +1799,12 @@ static void udf_close_lvid(struct super_block *sb)
 				le16_to_cpu(lvid->descTag.descCRCLength)));
 
 	lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag);
+	/*
+	 * We set buffer uptodate unconditionally here to avoid spurious
+	 * warnings from mark_buffer_dirty() when previous EIO has marked
+	 * the buffer as !uptodate
+	 */
+	set_buffer_uptodate(bh);
 	mark_buffer_dirty(bh);
 	sbi->s_lvid_dirty = 0;
 	mutex_unlock(&sbi->s_alloc_mutex);