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block: move restarting of throttled reqs to block/throttle-groups.c

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We want to remove throttled_reqs from block/io.c.  This is the easy
part---hide the handling of throttled_reqs during disable/enable of
throttling within throttle-groups.c.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-04-07 18:33:31 +02:00 • committed by Kevin Wolf
parent 733bbc8cea
commit a72f641407
3 changed files with 16 additions and 14 deletions
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15
block/io.c
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@ -62,28 +62,15 @@ static int coroutine_fn bdrv_co_do_write_zeroes(BlockDriverState *bs,
void bdrv_set_io_limits(BlockDriverState *bs,
ThrottleConfig *cfg)
{
int i;
throttle_group_config(bs, cfg);
for (i = 0; i < 2; i++) {
qemu_co_enter_next(&bs->throttled_reqs[i]);
}
}
static void bdrv_start_throttled_reqs(BlockDriverState *bs)
{
bool enabled = bs->io_limits_enabled;
int i;
bs->io_limits_enabled = false;
for (i = 0; i < 2; i++) {
while (qemu_co_enter_next(&bs->throttled_reqs[i])) {
;
}
}
throttle_group_restart_bs(bs);
bs->io_limits_enabled = enabled;
}