Messages in this thread | | | Date | Thu, 12 Aug 2010 23:39:30 -0400 | From | Ted Ts'o <> | Subject | Re: [Ocfs2-devel] [PATCH 2/3] JBD2: Allow feature checks before journal recovery |
| |
On Thu, Aug 12, 2010 at 10:43:19AM -0700, Joel Becker wrote: > On Thu, Jul 22, 2010 at 03:04:16PM -0700, Patrick J. LoPresti wrote: > > Before we start accessing a huge (> 16 TiB) OCFS2 volume, we need to > > confirm that its journal supports 64-bit offsets. In particular, we > > need to check the journal's feature bits before recovering the journal. > > > > This is not possible with JBD2 at present, because the journal > > superblock (where the feature bits reside) is not loaded from disk until > > the journal is recovered. > > > > This patch loads the journal superblock in > > jbd2_journal_check_used_features() if it has not already been loaded, > > allowing us to check the feature bits before journal recovery. > > > > Signed-off-by: Patrick LoPresti <lopresti@gmail.com> > > Dear jbd2 developers, > I've pushed this patch to the merge-window branch of ocfs2.git. > I'm ready to send it to Linus, but I need your OK.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
- Ted
| |