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Revert "blk-iocost: do not WARN if iocg was already offlined"

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This reverts commit aed0aac18f which is
commit 01bc4fda9ea0a6b52f12326486f07a4910666cf6 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: Ib364e34f99f0350e81819022fb2eb1fd060b3ddd
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2025-05-05 13:07:11 +00:00
parent ac80043d0f
commit 44fe4b43e9
1 changed files with 2 additions and 5 deletions
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7
block/blk-iocost.c
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@@ -1430,11 +1430,8 @@ static void iocg_pay_debt(struct ioc_gq *iocg, u64 abs_vpay,
lockdep_assert_held(&iocg->ioc->lock);
lockdep_assert_held(&iocg->waitq.lock);
/*
* make sure that nobody messed with @iocg. Check iocg->pd.online
* to avoid warn when removing blkcg or disk.
*/
WARN_ON_ONCE(list_empty(&iocg->active_list) && iocg->pd.online);
/* make sure that nobody messed with @iocg */
WARN_ON_ONCE(list_empty(&iocg->active_list));
WARN_ON_ONCE(iocg->inuse > 1);
iocg->abs_vdebt -= min(abs_vpay, iocg->abs_vdebt);