qemu-kvm/SOURCES/kvm-block-Introduce-bdrv_reopen_commit_post-step.patch

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From f7dd953c2d0380cef3c351afb03d68c6fcda1dca Mon Sep 17 00:00:00 2001
From: Kevin Wolf <kwolf@redhat.com>
Date: Fri, 13 Mar 2020 12:34:28 +0000
Subject: [PATCH 08/20] block: Introduce 'bdrv_reopen_commit_post' step
RH-Author: Kevin Wolf <kwolf@redhat.com>
Message-id: <20200313123439.10548-3-kwolf@redhat.com>
Patchwork-id: 94278
O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH v2 02/13] block: Introduce 'bdrv_reopen_commit_post' step
Bugzilla: 1790482 1805143
RH-Acked-by: John Snow <jsnow@redhat.com>
RH-Acked-by: Daniel P. Berrange <berrange@redhat.com>
RH-Acked-by: Peter Krempa <pkrempa@redhat.com>
From: Peter Krempa <pkrempa@redhat.com>
Add another step in the reopen process where driver can execute code
after permission changes are comitted.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Message-Id: <adc02cf591c3cb34e98e33518eb1c540a0f27db1.1582893284.git.pkrempa@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 17e1e2be5f9e84e0298e28e70675655b43e225ea)
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
block.c | 9 +++++++++
include/block/block_int.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/block.c b/block.c
index e1a4e38..a744bb5 100644
--- a/block.c
+++ b/block.c
@@ -3657,6 +3657,15 @@ cleanup_perm:
}
}
}
+
+ if (ret == 0) {
+ QTAILQ_FOREACH_REVERSE(bs_entry, bs_queue, entry) {
+ BlockDriverState *bs = bs_entry->state.bs;
+
+ if (bs->drv->bdrv_reopen_commit_post)
+ bs->drv->bdrv_reopen_commit_post(&bs_entry->state);
+ }
+ }
cleanup:
QTAILQ_FOREACH_SAFE(bs_entry, bs_queue, entry, next) {
if (ret) {
diff --git a/include/block/block_int.h b/include/block/block_int.h
index dd033d0..c168690 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -123,6 +123,7 @@ struct BlockDriver {
int (*bdrv_reopen_prepare)(BDRVReopenState *reopen_state,
BlockReopenQueue *queue, Error **errp);
void (*bdrv_reopen_commit)(BDRVReopenState *reopen_state);
+ void (*bdrv_reopen_commit_post)(BDRVReopenState *reopen_state);
void (*bdrv_reopen_abort)(BDRVReopenState *reopen_state);
void (*bdrv_join_options)(QDict *options, QDict *old_options);
--
1.8.3.1