Re: [PATCH] fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers

[Josef Bacik <josef@xxxxxxxxxx>]

On 07/23/2011 02:09 PM, Markus Trippelsdorf wrote:
> On 2011.06.29 at 14:05 -0400, Josef Bacik wrote:
> > Btrfs needs to be able to control how filemap_write_and_wait_range() is called
> > in fsync to make it less of a painful operation, so push down taking i_mutex and
> > the calling of filemap_write_and_wait() down into the ->fsync() handlers.  Some
> > file systems can drop taking the i_mutex altogether it seems, like ext3 and
> > ocfs2.  For correctness sake I just pushed everything down in all cases to make
> > sure that we keep the current behavior the same for everybody, and then each
> > individual fs maintainer can make up their mind about what to do from there.
> At least the xfs part of this patch is broken.
> Running the latest git-kernel bogofilter doesn't work anymore on my xfs
> partition. When I run "bogoutil -d wordlist.db" to dump the contents of
> the database, it produces no output at all.
Already fixed and sent a patch out earlier this week.  Thanks,

Josef