[linux-lvm] snapshots & reiserfs
AJ Lewis
lewis at sistina.com
Fri Jul 27 17:55:42 UTC 2001
On Fri, Jul 27, 2001 at 05:31:38PM +0100, James Pattinson wrote:
> Im sure this is a FAQ but I can't find it.
>
> I want to be able to use snapshots on my beta8 / reiserfs (stock 2.5.7)
> system. I can create a snapshot OK, but when I try to mount it I get an
> error saying we can't replay the logs since we are mounted read only.
<-snip->
> Any ideas? snapshots seem really cool, and i want to play :)
You need to make sure you apply the linux-2.4.x-VFS-lock.patch, and also
apply this:
--------
diff -Nru a/fs/reiserfs/super.c b/fs/reiserfs/super.c
--- a/fs/reiserfs/super.c Sun Apr 29 20:44:38 2001
+++ b/fs/reiserfs/super.c Sun Apr 29 20:44:38 2001
@@ -80,7 +80,7 @@
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB (s));
reiserfs_block_writes(&th) ;
- journal_end(&th, s, 1) ;
+ journal_end_sync(&th, s, 1) ;
}
s->s_dirt = dirty;
unlock_kernel() ;
--------
Apply the patches in this order:
- LVM Beta8 patch
- VFS-lock patch
- the patch included in this email
Regards,
--
AJ Lewis
Sistina Software Inc. Voice: 612-638-0500
1313 5th St SE, Suite 111 Fax: 612-638-0500
Minneapolis, MN 55414 E-Mail: lewis at sistina.com
http://www.sistina.com
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