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Io forward pt2 #831

Merged
merged 24 commits into from
Sep 20, 2024
Merged

Io forward pt2 #831

merged 24 commits into from
Sep 20, 2024

Commits on Sep 20, 2024

  1. Introduce ocf_forward_write_zeros() 

    This is meant to be used in atomic mode to avoid allocating huge buffers
for zeroing data on drive.

Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  2. composite: Add forward_write_zeros support 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  3. Introduce ocf_forward_metadata() 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  4. composite: Add forward_metadata support 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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  5. Introduce ocf_req_forward_volume_*() 

    Those are meant to be used in context where no cache nor queue is
available (typically at very early stage of initialization). We reuse
cache_forward* callback and counter, because they will not be used
in this context anyway.

Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  6. Introduce ocf_forward_get_data() 

    Skip the ocf_io abstraction and get the data directly from the request.

Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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  7. Replace ocf_forward_get_io() with more specific ops 

    struct ocf_io is going to be removed soon (consolidated with ocf_request).

Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  8. composite: Add forward_io_simple support 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  9. Introduce forward_io_simple 

    It's intended to be used in a context, where cache is not initialized
and the io_queue is not available yet.

Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  10. Replace submit with forward in mngt 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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  11. Replace submit with forward in cleaner 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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  12. Replace submit with forward in standby 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  13. Replace submit with forward in metadata_io 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  14. Replace submit with forward in metadata_raw_atomic 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
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  15. Replace submit with forward in ocf_metadata_read_sb() 

    This one is quite special, because it can be called before cache is
instantiated, which means we can not allocate the request using
ocf_req_new_mngt() due to absence of mngt_queue. For that reason we
simply allocate request using env_zalloc() and then release it with
env_free(). The lifecycle of the request is very straightforward and
the only used fields are forward counter and callback.

Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  16. Drop support for submit_* ops in backend volumes 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  17. Bind ocf_io to ocf_request 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  18. pyocf: Update tests after the API changes 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  19. Redirect ocf_volume_submit_* operations to forward 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  20. Remove struct ocf_io 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
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    mmichal10 committed Sep 20, 2024
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  21. example: simple: Update after removing struct ocf_io 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  22. pyocf: Update after removing struct ocf_io 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  23. tests: pyocf: Remove legacy submit_* ops implementation from volumes 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
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    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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  24. Consolidate ocf_request_io and ocf_request - io properties 

    Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
    @robertbaldyga @mmichal10
    robertbaldyga authored and mmichal10 committed Sep 20, 2024
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