Commit 96ec2e0a authored by Theodore Ts'o's avatar Theodore Ts'o Committed by Jan Kara

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: default avatar"Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent 2caa7318
...@@ -2321,7 +2321,18 @@ static int ext3_commit_super(struct super_block *sb, ...@@ -2321,7 +2321,18 @@ static int ext3_commit_super(struct super_block *sb,
if (!sbh) if (!sbh)
return error; 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_blocks_count = cpu_to_le32(ext3_count_free_blocks(sb));
es->s_free_inodes_count = cpu_to_le32(ext3_count_free_inodes(sb)); es->s_free_inodes_count = cpu_to_le32(ext3_count_free_inodes(sb));
BUFFER_TRACE(sbh, "marking dirty"); BUFFER_TRACE(sbh, "marking dirty");
......
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