From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Whitehouse Date: Mon, 12 Nov 2012 18:41:54 +0000 Subject: [Cluster-devel] [GFS2 PATCH] GFS2: Don't skip rgrps for Orlov's sake if reservation is active In-Reply-To: <57668545.37209951.1352745081632.JavaMail.root@redhat.com> References: <57668545.37209951.1352745081632.JavaMail.root@redhat.com> Message-ID: <1352745714.2721.32.camel@menhir> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hi, I don't think this makes sense... we will never have an active reservation when the orlov allocator is in use, since it is only ever used for new directory inodes, Steve. On Mon, 2012-11-12 at 13:31 -0500, Bob Peterson wrote: > Hi, > > This patch changes function gfs2_inplace_reserve so that it does > not perform the Orlov allocator resource group skipping in cases > where we have an active reservation. Skipping an active rgrp is > improper and gets our block reservation counts out of sync. > > Regards, > > Bob Peterson > Red Hat File Systems > > Signed-off-by: Bob Peterson > --- > diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c > index 99a6197..61a4314 100644 > --- a/fs/gfs2/rgrp.c > +++ b/fs/gfs2/rgrp.c > @@ -1811,13 +1811,14 @@ int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested, u32 aflags) > if (gfs2_rs_active(rs)) { > begin = rs->rs_rbm.rgd; > flags = 0; /* Yoda: Do or do not. There is no try */ > - } else if (ip->i_rgd && rgrp_contains_block(ip->i_rgd, ip->i_goal)) { > - rs->rs_rbm.rgd = begin = ip->i_rgd; > } else { > - rs->rs_rbm.rgd = begin = gfs2_blk2rgrpd(sdp, ip->i_goal, 1); > + if (ip->i_rgd && rgrp_contains_block(ip->i_rgd, ip->i_goal)) > + rs->rs_rbm.rgd = begin = ip->i_rgd; > + else > + rs->rs_rbm.rgd = begin = gfs2_blk2rgrpd(sdp, ip->i_goal, 1); > + if (S_ISDIR(ip->i_inode.i_mode) && (aflags & GFS2_AF_ORLOV)) > + skip = gfs2_orlov_skip(ip); > } > - if (S_ISDIR(ip->i_inode.i_mode) && (aflags & GFS2_AF_ORLOV)) > - skip = gfs2_orlov_skip(ip); > if (rs->rs_rbm.rgd == NULL) > return -EBADSLT; >