[Cluster-devel] [GFS2 Patch] fsck.gfs2 reported statfs error after gfs2_grow
Steven Whitehouse
swhiteho at redhat.com
Tue Dec 7 19:20:06 UTC 2010
Hi,
Now in the -nmw git tree. Thanks,
Steve.
On Tue, 2010-12-07 at 13:58 -0500, Bob Peterson wrote:
> Hi,
>
> When you do gfs2_grow it failed to take the very last
> rgrp into account when adding up the new free space due
> to an off-by-one error. It was not reading the last
> rgrp from the rindex because of a check for "<=" that
> should have been "<". Therefore, fsck.gfs2 was finding
> (and fixing) an error with the system statfs file.
>
> Regards,
>
> Bob Peterson
> Red Hat GFS
>
> Signed-off-by: Bob Peterson <rpeterso at redhat.com>
> --
> fs/gfs2/rgrp.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
> index 25dbe5c..7293ea2 100644
> --- a/fs/gfs2/rgrp.c
> +++ b/fs/gfs2/rgrp.c
> @@ -500,7 +500,7 @@ u64 gfs2_ri_total(struct gfs2_sbd *sdp)
> for (rgrps = 0;; rgrps++) {
> loff_t pos = rgrps * sizeof(struct gfs2_rindex);
>
> - if (pos + sizeof(struct gfs2_rindex) >= i_size_read(inode))
> + if (pos + sizeof(struct gfs2_rindex) > i_size_read(inode))
> break;
> error = gfs2_internal_read(ip, &ra_state, buf, &pos,
> sizeof(struct gfs2_rindex));
More information about the Cluster-devel
mailing list