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| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-04-07 18:33:31 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2016-05-12 15:22:07 +0200 |
| commit | a72f641407f4a59c3adb710a821736166a484b7f (patch) | |
| tree | 5cafa18b3a027171f74ec3c88a5e2f55e5740c61 /block/throttle-groups.c | |
| parent | 733bbc8ceaeeb771da55662cccd915afeb78cd01 (diff) | |
| download | qemu-a72f641407f4a59c3adb710a821736166a484b7f.tar.gz | |
block: move restarting of throttled reqs to block/throttle-groups.c
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>
Diffstat (limited to 'block/throttle-groups.c')
| -rw-r--r-- | block/throttle-groups.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/block/throttle-groups.c b/block/throttle-groups.c index 4920e09495..b796f6b9fa 100644 --- a/block/throttle-groups.c +++ b/block/throttle-groups.c @@ -313,6 +313,17 @@ void coroutine_fn throttle_group_co_io_limits_intercept(BlockDriverState *bs, qemu_mutex_unlock(&tg->lock); } +void throttle_group_restart_bs(BlockDriverState *bs) +{ + int i; + + for (i = 0; i < 2; i++) { + while (qemu_co_enter_next(&bs->throttled_reqs[i])) { + ; + } + } +} + /* Update the throttle configuration for a particular group. Similar * to throttle_config(), but guarantees atomicity within the * throttling group. @@ -335,6 +346,9 @@ void throttle_group_config(BlockDriverState *bs, ThrottleConfig *cfg) } throttle_config(ts, tt, cfg); qemu_mutex_unlock(&tg->lock); + + qemu_co_enter_next(&bs->throttled_reqs[0]); + qemu_co_enter_next(&bs->throttled_reqs[1]); } /* Get the throttle configuration from a particular group. Similar to |