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blk_new_with_bs() creates a BlockBackend with an empty BlockDriverState attached to it. Empty BDSs are not nice, therefore add an alternative function which combines blk_new_with_bs() with bdrv_open(). Note: In contrast to bdrv_open() which takes a BlockDriver parameter, blk_new_open() does not take such a parameter. This is because bdrv_open() opens a BlockDriverState, therefore it is natural to be able to set the BlockDriver for that BDS. The fact that bdrv_open() can open more than a single BDS is merely some form of a byproduct. blk_new_open() on the other hand is intended to be used to create a whole tree of BlockDriverStates. Therefore, setting a single BlockDriver does not make much sense. Instead, the drivers to be used for each of the nodes must be configured through the "options" QDict; including the driver of the root BDS. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1423162705-32065-3-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> |
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| .. | ||
| accel.h | ||
| arch_init.h | ||
| balloon.h | ||
| block-backend.h | ||
| blockdev.h | ||
| bt.h | ||
| char.h | ||
| cpus.h | ||
| device_tree.h | ||
| dma.h | ||
| dump-arch.h | ||
| dump.h | ||
| hostmem.h | ||
| iothread.h | ||
| kvm.h | ||
| memory_mapping.h | ||
| os-posix.h | ||
| os-win32.h | ||
| qtest.h | ||
| rng-random.h | ||
| rng.h | ||
| seccomp.h | ||
| sysemu.h | ||
| tpm.h | ||
| tpm_backend.h | ||
| tpm_backend_int.h | ||
| watchdog.h | ||
| xen-mapcache.h | ||