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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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8
block/blkio.c
View file

@ -312,10 +312,10 @@ static void blkio_detach_aio_context(BlockDriverState *bs)
}
/*
* Called by blk_io_unplug() or immediately if not plugged. Called without
* blkio_lock.
* Called by defer_call_end() or immediately if not in a deferred section.
* Called without blkio_lock.
*/
static void blkio_unplug_fn(void *opaque)
static void blkio_deferred_fn(void *opaque)
{
BDRVBlkioState *s = opaque;
@ -332,7 +332,7 @@ static void blkio_submit_io(BlockDriverState *bs)
{
BDRVBlkioState *s = bs->opaque;
blk_io_plug_call(blkio_unplug_fn, s);
defer_call(blkio_deferred_fn, s);
}
static int coroutine_fn