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authorTheodore Ts'o <tytso@mit.edu>2009-09-16 11:21:13 -0400
committerJan Kara <jack@suse.cz>2009-10-13 00:06:43 +0200
commit96ec2e0a719fd61791dd2b0dd01325c5d20e1233 (patch)
treeb68be3b6d76ee13dbd80f4877c7b9e45b8926e02 /fs/ext3
parent2caa731819a633bec5a56736e64c562b7e193666 (diff)
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" <tytso@mit.edu> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext3')
-rw-r--r--fs/ext3/super.c13
1 files changed, 12 insertions, 1 deletions
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");