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block: Move throttling fields from BDS to BB

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This patch changes where the throttling state is stored (used to be the
BlockDriverState, now it is the BlockBackend), but it doesn't actually
make it a BB level feature yet. For example, throttling is still
disabled when the BDS is detached from the BB.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Kevin Wolf 2016-03-21 12:56:44 +01:00
parent 49d2165d7d
commit 27ccdd5259
10 changed files with 142 additions and 118 deletions
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2
include/block/throttle-groups.h
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@ -38,7 +38,7 @@ void throttle_group_get_config(BlockDriverState *bs, ThrottleConfig *cfg);
void throttle_group_register_blk(BlockBackend *blk, const char *groupname);
void throttle_group_unregister_blk(BlockBackend *blk);
void throttle_group_restart_bs(BlockDriverState *bs);
void throttle_group_restart_blk(BlockBackend *blk);
void coroutine_fn throttle_group_co_io_limits_intercept(BlockDriverState *bs,
unsigned int bytes,