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From: Andrew Morton <akpm@osdl.org>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] Re: [GFS2] Don't flush everything on fdatasync [70/70]
Date: Thu, 30 Nov 2006 23:01:58 -0800	[thread overview]
Message-ID: <20061130230158.174e995c.akpm@osdl.org> (raw)
In-Reply-To: <1164889448.3752.449.camel@quoit.chygwyn.com>

On Thu, 30 Nov 2006 12:24:08 +0000
Steven Whitehouse <swhiteho@redhat.com> wrote:

>  static int gfs2_fsync(struct file *file, struct dentry *dentry, int datasync)
>  {
> -	struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
> +	struct inode *inode = dentry->d_inode;
> +	int sync_state = inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC);
> +	int ret = 0;
> +	struct writeback_control wbc = {
> +		.sync_mode = WB_SYNC_ALL,
> +		.nr_to_write = 0,
> +	};
> +
> +	if (gfs2_is_jdata(GFS2_I(inode))) {
> +		gfs2_log_flush(GFS2_SB(inode), GFS2_I(inode)->i_gl);
> +		return 0;
> +	}
>  
> -	gfs2_log_flush(ip->i_gl->gl_sbd, ip->i_gl);
> +	if (sync_state != 0) {
> +		if (!datasync)
> +			ret = sync_inode(inode, &wbc);

filemap_fdatawrite() would be simpler.



  reply	other threads:[~2006-12-01  7:01 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-11-30 12:24 [Cluster-devel] [GFS2] Don't flush everything on fdatasync [70/70] Steven Whitehouse
2006-12-01  7:01 ` Andrew Morton [this message]
2006-12-01 10:58   ` [Cluster-devel] " Steven Whitehouse
2006-12-01 19:09     ` Andrew Morton
2006-12-05 14:36       ` Steven Whitehouse
2006-12-07  9:11       ` Steven Whitehouse
2006-12-07 19:05         ` Wendy Cheng
2006-12-08 10:29           ` Steven Whitehouse
2006-12-08 10:29             ` Steven Whitehouse
2006-12-07 12:17       ` [Cluster-devel] [GFS2 & DLM] Pull request Steven Whitehouse

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