Re: [PATCH v3 4/5] md/raid10: fix improper BUG_ON() in raise_barrier()

[PATCH v3 0/5] md/raid10: reduce lock contention for io · Yu Kuai <hidden> · 2022-09-16
[PATCH v3 2/5] md/raid10: don't modify 'nr_waitng' in wait_barrier() for the case nowait · Yu Kuai <hidden> · 2022-09-16
Re: [PATCH v3 2/5] md/raid10: don't modify 'nr_waitng' in wait_barrier() for the case nowait · Logan Gunthorpe <logang@deltatee.com> · 2022-09-16
Re: [PATCH v3 2/5] md/raid10: don't modify 'nr_waitng' in wait_barrier() for the case nowait · Guoqing Jiang <hidden> · 2022-09-18
[PATCH v3 3/5] md/raid10: prevent unnecessary calls to wake_up() in fast path · Yu Kuai <hidden> · 2022-09-16
Re: [PATCH v3 3/5] md/raid10: prevent unnecessary calls to wake_up() in fast path · Logan Gunthorpe <logang@deltatee.com> · 2022-09-16
Re: [PATCH v3 3/5] md/raid10: prevent unnecessary calls to wake_up() in fast path · Guoqing Jiang <hidden> · 2022-09-18
[PATCH v3 1/5] md/raid10: factor out code from wait_barrier() to stop_waiting_barrier() · Yu Kuai <hidden> · 2022-09-16
Re: [PATCH v3 1/5] md/raid10: factor out code from wait_barrier() to stop_waiting_barrier() · Logan Gunthorpe <logang@deltatee.com> · 2022-09-16
Re: [PATCH v3 1/5] md/raid10: factor out code from wait_barrier() to stop_waiting_barrier() · Guoqing Jiang <hidden> · 2022-09-18
[PATCH v3 4/5] md/raid10: fix improper BUG_ON() in raise_barrier() · Yu Kuai <hidden> · 2022-09-16
Re: [PATCH v3 4/5] md/raid10: fix improper BUG_ON() in raise_barrier() · Logan Gunthorpe <logang@deltatee.com> · 2022-09-16
Re: [PATCH v3 4/5] md/raid10: fix improper BUG_ON() in raise_barrier() · Guoqing Jiang <hidden> · 2022-09-18
[PATCH v3 5/5] md/raid10: convert resync_lock to use seqlock · Yu Kuai <hidden> · 2022-09-16
Re: [PATCH v3 5/5] md/raid10: convert resync_lock to use seqlock · Logan Gunthorpe <logang@deltatee.com> · 2022-09-16
Re: [PATCH v3 5/5] md/raid10: convert resync_lock to use seqlock · Guoqing Jiang <hidden> · 2022-09-18
Re: [PATCH v3 5/5] md/raid10: convert resync_lock to use seqlock · Yu Kuai <hidden> · 2022-09-19
Re: [PATCH v3 5/5] md/raid10: convert resync_lock to use seqlock · Guoqing Jiang <hidden> · 2022-09-19
Re: [PATCH v3 5/5] md/raid10: convert resync_lock to use seqlock · Song Liu <song@kernel.org> · 2022-09-19

From: Logan Gunthorpe <logang@deltatee.com>
Date: 2022-09-16 18:36:48
Also in: lkml


On 2022-09-16 05:34, Yu Kuai wrote:

From: Yu Kuai <redacted>

'conf->barrier' is protected by 'conf->resync_lock', reading
'conf->barrier' without holding the lock is wrong.

Signed-off-by: Yu Kuai <redacted>

Reviewed-by: Logan Gunthorpe <logang@deltatee.com>

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