Re: [PATCH 1/3] lockfs - vfs bits

[Chris Mason]

On Sat, 2004-04-17 at 19:30, Andrew Morton wrote:
> Christoph Hellwig <hch@xxxxxx> wrote:
> >
> >  These are the generic lockfs bits.  Basically it takes the XFS freezing
> >  statemachine into the VFS.  It's all behind the kernel-doc documented
> >  freeze_bdev and thaw_bdev interfaces.
> 
> Do we expect to see snapshotting patches for other filesystems arise as a
> result of this?

Reiserfs needs this one liner:

reiserfs_write_super_lockfs() is supposed to wait for the transaction
to commit.

Index: linux.t/fs/reiserfs/super.c
===================================================================
--- linux.t.orig/fs/reiserfs/super.c	2004-04-01 08:54:54.000000000 -0500
+++ linux.t/fs/reiserfs/super.c	2004-04-01 09:08:45.000000000 -0500
@@ -88,7 +88,7 @@ static void reiserfs_write_super_lockfs 
     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 = 0;
   reiserfs_write_unlock(s);


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