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Add qemu_aio_process_queue()
We'll leave some AIO completions unhandled when we can't call the callback.qemu_aio_process_queue() is used later to run any callbacks that are left andcan be run then.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Fix Sparse warning about "expression using sizeof on a function"
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Allow adjustment of http block device's readahead size, via a new":readahead=###:" suffix.
Signed-off-by: Nolan Leake <nolan <at> sigbus.net>Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
fully split aio_pool from BlockDriver
Now that we have a separate aio pool structure we can remove thoseaio pool details from BlockDriver.
Every driver supporting AIO now needs to declare a static AIOPoolwith the aiocb size and the cancellation method. This cleans up the...
Add HTTP protocol using curl v6
Currently Qemu can read from posix I/O and NBD. This patch adds athird protocol to the game: HTTP.
In certain situations it can be useful to access HTTP data directly,for example if you want to try out an http provided OS image, but...