From: Jan Kara Subject: Re: [PATCH 3/6] Ocfs2: handle hole punching via fallocate properly Date: Tue, 16 Nov 2010 12:50:38 +0100 Message-ID: <20101116115038.GC4757@quack.suse.cz> References: <1289840723-3056-1-git-send-email-josef@redhat.com> <1289840723-3056-4-git-send-email-josef@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: david@fromorbit.com, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, cmm@us.ibm.com, cluster-devel@redhat.com, ocfs2-devel@oss.oracle.com To: Josef Bacik Return-path: Received: from cantor2.suse.de ([195.135.220.15]:49081 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932862Ab0KPLuk (ORCPT ); Tue, 16 Nov 2010 06:50:40 -0500 Content-Disposition: inline In-Reply-To: <1289840723-3056-4-git-send-email-josef@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Mon 15-11-10 12:05:20, Josef Bacik wrote: > This patch just makes ocfs2 use its UNRESERVP ioctl when we get the hole punch > flag in fallocate. I didn't test it, but it seems simple enough. Thanks, > > Signed-off-by: Josef Bacik You might want to directly CC Joel Becker who maintains OCFS2. Otherwise the patch looks OK so you can add Acked-by: Jan Kara for what it's worth ;). Honza > --- > fs/ocfs2/file.c | 10 ++++++++-- > 1 files changed, 8 insertions(+), 2 deletions(-) > > diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c > index 77b4c04..181ae52 100644 > --- a/fs/ocfs2/file.c > +++ b/fs/ocfs2/file.c > @@ -1992,6 +1992,7 @@ static long ocfs2_fallocate(struct inode *inode, int mode, loff_t offset, > struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); > struct ocfs2_space_resv sr; > int change_size = 1; > + int cmd = OCFS2_IOC_RESVSP64; > > if (!ocfs2_writes_unwritten_extents(osb)) > return -EOPNOTSUPP; > @@ -2002,12 +2003,17 @@ static long ocfs2_fallocate(struct inode *inode, int mode, loff_t offset, > if (mode & FALLOC_FL_KEEP_SIZE) > change_size = 0; > > + if (mode & FALLOC_FL_PUNCH_HOLE) { > + cmd = OCFS2_IOC_UNRESVSP64; > + change_size = 0; > + } > + > sr.l_whence = 0; > sr.l_start = (s64)offset; > sr.l_len = (s64)len; > > - return __ocfs2_change_file_space(NULL, inode, offset, > - OCFS2_IOC_RESVSP64, &sr, change_size); > + return __ocfs2_change_file_space(NULL, inode, offset, cmd, &sr, > + change_size); > } > > int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos, > -- > 1.6.6.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Jan Kara SUSE Labs, CR