From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zdenek Kabelac Date: Fri, 16 Oct 2020 19:11:53 +0000 (GMT) Subject: stable-2.02 - activation: move locking of critical section Message-ID: <20201016191153.42D7C396EC6A@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=6373a8497776909b548fb5dcfb332b6502868f99 Commit: 6373a8497776909b548fb5dcfb332b6502868f99 Parent: d4d3ff352f7d6bef57ffd724f1714c49b8811b66 Author: Zdenek Kabelac AuthorDate: Sat Sep 26 14:56:44 2020 +0200 Committer: Zdenek Kabelac CommitterDate: Fri Oct 16 17:07:59 2020 +0200 activation: move locking of critical section Move begining of 'suspending' critical section closer to _lv_suspend_lv() for better correctness of error paths. --- lib/activate/activate.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/lib/activate/activate.c b/lib/activate/activate.c index 3f3adafba..0bd769cdc 100644 --- a/lib/activate/activate.c +++ b/lib/activate/activate.c @@ -2365,8 +2365,6 @@ skip_read: if (laopts->origin_only && lv_is_thin_volume(lv) && lv_is_thin_volume(lv_pre)) lockfs = 1; - critical_section_inc(cmd, "suspending"); - if (!lv_is_locked(lv) && lv_is_locked(lv_pre) && (pvmove_lv = find_pvmove_lv_in_lv(lv_pre))) { /* @@ -2408,16 +2406,23 @@ skip_read: } dm_list_add(&suspend_lvs, &lvl->list); } + + critical_section_inc(cmd, "suspending"); + dm_list_iterate_items(lvl, &suspend_lvs) if (!_lv_suspend_lv(lvl->lv, laopts, lockfs, 1)) { critical_section_dec(cmd, "failed suspend"); goto_out; /* FIXME: resume on recovery path? */ } - } else /* Standard suspend */ + + } else { /* Standard suspend */ + critical_section_inc(cmd, "suspending"); + if (!_lv_suspend_lv(lv, laopts, lockfs, flush_required)) { critical_section_dec(cmd, "failed suspend"); goto_out; } + } r = 1; out: