On Mon, 12 May 2014 11:24:26 +0800
Ming Lei <tom.leim...@gmail.com> wrote:
> On Sun, May 11, 2014 at 1:06 AM, Fabian Frederick <f...@skynet.be> wrote:
> > generic_file_fsync has been updated to issue a flush for
> > older filesystems.
> >
> > This patch tests for barrier flag in ext4 mount flags
> > and calls the right function.
> >
> > Suggested-by: Jan Kara <j...@suse.cz>
> > Suggested-by: Christoph Hellwig <h...@infradead.org>
> > Cc: Jan Kara <j...@suse.cz>
> > Cc: Christoph Hellwig <h...@infradead.org>
> > Cc: Alexander Viro <v...@zeniv.linux.org.uk>
> > Cc: "Theodore Ts'o" <ty...@mit.edu>
> > Cc: Andrew Morton <a...@linux-foundation.org>
> > Signed-off-by: Fabian Frederick <f...@skynet.be>
> > ---
> > fs/ext4/fsync.c | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
> > index a8bc47f..fa82c0a 100644
> > --- a/fs/ext4/fsync.c
> > +++ b/fs/ext4/fsync.c
> > @@ -108,6 +108,10 @@ int ext4_sync_file(struct file *file, loff_t start,
> > loff_t end, int datasync)
> >
> > if (!journal) {
> > ret = generic_file_fsync(file, start, end, datasync);
>
> Forget to remove above line?
Oops, of course ! Thanks a lot, I've sent a new version :)
Regards,
Fabian
>
> > + if (test_opt(inode->i_sb, BARRIER))
> > + ret = generic_file_fsync(file, start, end,
> > datasync);
> > + else
> > + ret = __generic_file_fsync(file, start, end,
> > datasync);
> > if (!ret && !hlist_empty(&inode->i_dentry))
> > ret = ext4_sync_parent(inode);
> > goto out;
>
>
>
> Thanks,
> --
> Ming Lei
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