The commit is pushed to "branch-rh7-3.10.0-1127.18.2.vz7.163.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-1127.18.2.vz7.163.26
------>
commit 46ac1541c7179c1d75bc4ac2ee7ed67872830a9a
Author: Kirill Tkhai <ktk...@virtuozzo.com>
Date: Sun Sep 20 12:02:29 2020 +0300
ploop: Add comments about fsync_thread
https://jira.sw.ru/browse/PSBM-108008
Signed-off-by: Kirill Tkhai <ktk...@virtuozzo.com>
---
drivers/block/ploop/io_kaio.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/block/ploop/io_kaio.c b/drivers/block/ploop/io_kaio.c
index 19d9b0a..3af9eba 100644
--- a/drivers/block/ploop/io_kaio.c
+++ b/drivers/block/ploop/io_kaio.c
@@ -546,6 +546,11 @@ static int kaio_fsync_thread(void * data)
} else if (preq->req_rw & REQ_FLUSH) {
BUG_ON(!preq->req_size);
preq->req_rw &= ~REQ_FLUSH;
+ /*
+ * FIXME: We submit some data and main thread
+ * is not synchronized with this? Also,
+ * TODO: fsync_thread must care of
ploop_quiesce().
+ */
if (kaio_resubmit(preq)) {
spin_lock_irq(&plo->lock);
continue;
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