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| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-04-07 18:33:33 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2016-05-12 15:22:07 +0200 |
| commit | ce0f141259f06fd77fde2519cc352618ad797ce2 (patch) | |
| tree | 204c5d21527ea538dddc7cdda5c239cf6a08c5e9 /block/throttle-groups.c | |
| parent | b6e84c97ed0d786a7cda4e184736e25bb8824c2c (diff) | |
| download | qemu-ce0f141259f06fd77fde2519cc352618ad797ce2.zip qemu-ce0f141259f06fd77fde2519cc352618ad797ce2.tar.gz qemu-ce0f141259f06fd77fde2519cc352618ad797ce2.tar.bz2 | |
block: introduce bdrv_no_throttling_begin/end
Extract the handling of throttling from bdrv_flush_io_queue. These
new functions will soon become BdrvChildRole callbacks, as they can
be generalized to "beginning of drain" and "end of drain".
Reviewed-by: Alberto Garcia <berto@igalia.com>
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 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/throttle-groups.c b/block/throttle-groups.c index b796f6b..9ac063a 100644 --- a/block/throttle-groups.c +++ b/block/throttle-groups.c @@ -219,6 +219,10 @@ static bool throttle_group_schedule_timer(BlockDriverState *bs, ThrottleGroup *tg = container_of(ts, ThrottleGroup, ts); bool must_wait; + if (bs->io_limits_disabled) { + return false; + } + /* Check if any of the timers in this group is already armed */ if (tg->any_timer_armed[is_write]) { return true; |