[Cluster-devel] [PATCH] GFS2: Write out dirty inode metadata in delayed deletes

[Steven Whitehouse]

Hi,

Thanks for the patch, I'll push it into the -nmw tree shortly,

Steve.

On Thu, 2012-09-20 at 09:52 -0500, Benjamin Marzinski wrote:
> If a dirty GFS2 inode was being deleted but was in use by another node, its
> metadata was not getting written out before GFS2 checked for dirty buffers in
> gfs2_ail_flush().  GFS2 was relying on inode_go_sync() to write out the
> metadata when the other node tried to free the file, but it failed the error
> check before it got that far. This patch writes out the metadata before calling
> gfs2_ail_flush()
> 
> Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
> ---
>  fs/gfs2/super.c |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> Index: gfs2-3.0-nmw/fs/gfs2/super.c
> ===================================================================
> --- gfs2-3.0-nmw.orig/fs/gfs2/super.c
> +++ gfs2-3.0-nmw/fs/gfs2/super.c
> @@ -1545,6 +1545,11 @@ static void gfs2_evict_inode(struct inod
>  
>  out_truncate:
>  	gfs2_log_flush(sdp, ip->i_gl);
> +	if (test_bit(GLF_DIRTY, &ip->i_gl->gl_flags)) {
> +		struct address_space *metamapping = gfs2_glock2aspace(ip->i_gl);
> +		filemap_fdatawrite(metamapping);
> +		filemap_fdatawait(metamapping);
> +	}
>  	write_inode_now(inode, 1);
>  	gfs2_ail_flush(ip->i_gl, 0);
>  
>