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Pre dev 0.3: cleanup io & uring_async #11

Merged
merged 7 commits into from
Mar 2, 2024
Merged

Pre dev 0.3: cleanup io & uring_async #11

merged 7 commits into from
Mar 2, 2024

Commits on Mar 1, 2024

  1. example/null: avoid to allocate io buffer for user_copy 

    Signed-off-by: Ming Lei <[email protected]>
    @ming1
    ming1 committed Mar 1, 2024
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Commits on Mar 2, 2024

  1. libublk: io: don't expose UblkQueue::get_io_buf_addr() 

    Now IO buffer is managed by target code, which needn't to retrieve
buffer address from libublk any more.

Inside io module, it is only used for discarding registered io buffers.

Also mark it as not 'inline' which is only called in slow path.

Signed-off-by: Ming Lei <[email protected]>
    @ming1
    ming1 committed Mar 2, 2024
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  2. libublk: ctrl/io: remove several #[allow] 

    The annotation is obsolete now, so remove them

Signed-off-by: Ming Lei <[email protected]>
    @ming1
    ming1 committed Mar 2, 2024
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  3. libublk: uring_async: improve document 

    Signed-off-by: Ming Lei <[email protected]>
    @ming1
    ming1 committed Mar 2, 2024
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  4. libublk: io: add UblkQueue::ublk_submit_sqe_sync() 

    Add UblkQueue::ublk_submit_sqe_sync() so that target code can use
it to submit sqe in non-async/.await code.

Signed-off-by: Ming Lei <[email protected]>
    @ming1
    ming1 committed Mar 2, 2024
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  5. libublk: define tgt_init return type as Result<(), UblkError> 

    No need to return anything Ok() except for 0 from tgt_init()

Signed-off-by: Ming Lei <[email protected]>
    @ming1
    ming1 committed Mar 2, 2024
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  6. libublk: don't export UblkQueue::q_ring 

    Now we don't have users for manipulating q_ring directly, but there
could be potential use cases, such as, changing uring flags, register
files, ...

So add UblkQueue::uring_op() and UblkQueue::uring_op_mut() for such
purpose.

Signed-off-by: Ming Lei <[email protected]>
    @ming1
    ming1 committed Mar 2, 2024
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