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

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