[sheepdog] [PATCH v2 1/3] block: Add blk_new_with_bs() helper

[Max Reitz]

On 24.04.20 11:56, Max Reitz wrote:
> On 24.04.20 11:53, Max Reitz wrote:
>> On 24.04.20 00:17, Eric Blake wrote:
>>> There are several callers that need to create a new block backend from
>>> an existing BDS; make the task slightly easier with a common helper
>>> routine.
>>>
>>> Suggested-by: Max Reitz <mreitz at redhat.com>
>>> Signed-off-by: Eric Blake <eblake at redhat.com>
>>> ---
>>>  include/sysemu/block-backend.h |  2 ++
>>>  block/block-backend.c          | 23 +++++++++++++++++++++++
>>>  block/crypto.c                 |  8 +++-----
>>>  block/parallels.c              |  7 +++----
>>>  block/qcow.c                   |  7 +++----
>>>  block/qcow2.c                  | 15 ++++++---------
>>>  block/qed.c                    |  7 +++----
>>>  block/sheepdog.c               |  9 ++++-----
>>>  block/vdi.c                    |  7 +++----
>>>  block/vhdx.c                   |  7 +++----
>>>  block/vmdk.c                   |  9 ++++-----
>>>  block/vpc.c                    |  7 +++----
>>>  blockdev.c                     |  8 +++-----
>>>  blockjob.c                     |  7 ++-----
>>>  14 files changed, 65 insertions(+), 58 deletions(-)
>>
>> Reviewed-by: Max Reitz <mreitz at redhat.com>
> 
> (With the Patchew warning fixed, of course (i.e., we should set ret to
> -EPERM or something in qcow.c))

Er, well, maybe I should have looked into more places.  The compiler
only warns about that single one because it’s the only place where @ret
is really uninitialized, but there are many more where we need to set
it: crypto.c, parallels.c, qcow.c, qcow2.c (both hunks), qed.c,
sheepdog.c, vdi.c, vhdx.c, and vpc.c.

(So basically everywhere but vmdk.c, blockdev.c, and blockjob.c.)

And now I’m going to get another coffee...

Max

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