On Mar 15, 2008 20:59 -0400, Theodore Ts'o wrote:
> Carlo Wood has demonstrated that it's possible to recover deleted
> files from the journal. Something that will make this easier is if we
> can put the time of the commit into commit block.
>
> @@ -170,6 +170,8 @@ struct commit_header {
> unsigned char h_chksum_size;
> unsigned char h_padding[2];
> __be32 h_chksum[JBD2_CHECKSUM_BYTES];
> + __be32 h_commit_sec;
> + __be32 h_commit_nsec;
> };
We should probably use a 64-bit seconds field, after we just told
someone on #ext4 that it would work until at least 2242 :-).
struct commit_header {
unsigned char h_chksum_size;
unsigned char h_padding[2];
__be32 h_chksum[JBD2_CHECKSUM_BYTES];
__be64 h_commit_sec;
__be32 h_commit_nsec;
};
Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
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