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[Qemu-devel] [PULL 32/41] block: Use bdrv_reopen_set_read_only() in exte

From: Kevin Wolf
Subject: [Qemu-devel] [PULL 32/41] block: Use bdrv_reopen_set_read_only() in external_snapshot_commit()
Date: Wed, 12 Dec 2018 14:27:26 +0100

From: Alberto Garcia <address@hidden>

This patch replaces the bdrv_reopen() call that set and remove the
BDRV_O_RDWR flag with the new bdrv_reopen_set_read_only() function.

Signed-off-by: Alberto Garcia <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
 blockdev.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/blockdev.c b/blockdev.c
index 6fa6969cd0..e6c8349409 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1703,8 +1703,7 @@ static void external_snapshot_commit(BlkActionState 
      * bdrv_reopen_multiple() across all the entries at once, because we
      * don't want to abort all of them if one of them fails the reopen */
     if (!atomic_read(&state->old_bs->copy_on_read)) {
-        bdrv_reopen(state->old_bs, state->old_bs->open_flags & ~BDRV_O_RDWR,
-                    NULL);
+        bdrv_reopen_set_read_only(state->old_bs, true, NULL);

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