From: Theodore Ts'o Date: Wed, 16 Sep 2009 15:21:13 +0000 (-0400) Subject: ext3: Don't update superblock write time when filesystem is read-only X-Git-Tag: v2.6.32-rc5~32^2~1 X-Git-Url: https://bbs.cooldavid.org/git/?a=commitdiff_plain;h=96ec2e0a719fd61791dd2b0dd01325c5d20e1233;p=net-next-2.6.git ext3: Don't update superblock write time when filesystem is read-only This avoids updating the superblock write time when we are mounting the root file system read/only but we need to replay the journal; at that point, for people who are east of GMT and who make their clock tick in localtime for Windows bug-for-bug compatibility, and this will cause e2fsck to complain and force a full file system check. Signed-off-by: "Theodore Ts'o" Signed-off-by: Jan Kara --- diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 72743d36050..7a520a862f4 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -2321,7 +2321,18 @@ static int ext3_commit_super(struct super_block *sb, if (!sbh) return error; - es->s_wtime = cpu_to_le32(get_seconds()); + /* + * If the file system is mounted read-only, don't update the + * superblock write time. This avoids updating the superblock + * write time when we are mounting the root file system + * read/only but we need to replay the journal; at that point, + * for people who are east of GMT and who make their clock + * tick in localtime for Windows bug-for-bug compatibility, + * the clock is set in the future, and this will cause e2fsck + * to complain and force a full file system check. + */ + if (!(sb->s_flags & MS_RDONLY)) + es->s_wtime = cpu_to_le32(get_seconds()); es->s_free_blocks_count = cpu_to_le32(ext3_count_free_blocks(sb)); es->s_free_inodes_count = cpu_to_le32(ext3_count_free_inodes(sb)); BUFFER_TRACE(sbh, "marking dirty");