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block: rename blk_io_plug_call() API to defer_call()

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Prepare to move the blk_io_plug_call() API out of the block layer so
that other subsystems call use this deferred call mechanism. Rename it
to defer_call() but leave the code in block/plug.c.

The next commit will move the code out of the block layer.

Suggested-by: Ilya Maximets <i.maximets@ovn.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20230913200045.1024233-2-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-09-13 16:00:42 -04:00 • committed by Kevin Wolf
parent 302823854b
commit ccee48aa73
9 changed files with 76 additions and 79 deletions
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4
block/linux-aio.c
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@ -353,7 +353,7 @@ static uint64_t laio_max_batch(LinuxAioState *s, uint64_t dev_max_batch)
return max_batch;
}
static void laio_unplug_fn(void *opaque)
static void laio_deferred_fn(void *opaque)
{
LinuxAioState *s = opaque;
@ -393,7 +393,7 @@ static int laio_do_submit(int fd, struct qemu_laiocb *laiocb, off_t offset,
if (s->io_q.in_queue >= laio_max_batch(s, dev_max_batch)) {
ioq_submit(s);
} else {
blk_io_plug_call(laio_unplug_fn, s);
defer_call(laio_deferred_fn, s);
}
}