From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zdenek Kabelac Date: Fri, 2 Oct 2020 20:28:00 +0000 (GMT) Subject: master - debug: show actually reason for taking this code path Message-ID: <20201002202800.2FD1C398E4BE@sourceware.org> List-Id: To: lvm-devel@redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=1b8c6f09bcba1996892a231bc6c25be6ac40d808 Commit: 1b8c6f09bcba1996892a231bc6c25be6ac40d808 Parent: e1af80c81c2c196ccc2e2a3f45e56cd1abc0dd45 Author: Zdenek Kabelac AuthorDate: Fri Oct 2 11:12:49 2020 +0200 Committer: Zdenek Kabelac CommitterDate: Fri Oct 2 21:04:16 2020 +0200 debug: show actually reason for taking this code path Instead of not so useful backtrace, report what was the reason. --- lib/format_text/format-text.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/format_text/format-text.c b/lib/format_text/format-text.c index 0de881b67..e1142c07e 100644 --- a/lib/format_text/format-text.c +++ b/lib/format_text/format-text.c @@ -2216,8 +2216,10 @@ static int _create_vg_text_instance(struct format_instance *fid, } if (type & FMT_INSTANCE_MDAS) { - if (!(vginfo = lvmcache_vginfo_from_vgname(vg_name, vg_id))) - goto_out; + if (!(vginfo = lvmcache_vginfo_from_vgname(vg_name, vg_id))) { + log_debug("No cached vginfo for VG %s and ID %s.", vg_name, vg_id); + goto out; + } if (!lvmcache_fid_add_mdas_vg(vginfo, fid)) goto_out; }