tree 5c38d0cd7a2b6bcd88d20b7a0b5d000e8054a4d9
parent e3e31dc87208007784b93a19f8efcdda90ea64f6
author Kevin Wolf <kwolf@redhat.com> 1683750957 +0200
committer Kevin Wolf <kwolf@redhat.com> 1684516332 +0200

qemu-img: Take graph lock more selectively

If we take a reader lock, we can't call any functions that take a writer
lock internally without causing deadlocks once the reader lock is
actually enforced in the main thread, too. Take the reader lock only
where it is actually needed.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230510203601.418015-5-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>