From: Christoph Hellwig <hch@infradead.org>
To: "hy50.seo" <hy50.seo@samsung.com>
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
alim.akhtar@samsung.com, avri.altman@wdc.com, jejb@linux.ibm.com,
martin.petersen@oracle.com, beanhuo@micron.com,
bvanassche@acm.org, kwangwon.min@samsung.com,
kwmad.kim@samsung.com, cpgs@samsung.com, h10.kim@samsung.com,
willdeacon@google.com, jaegeuk@google.com, chao@kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v1] writback: remove WQ_MEM_RECLAIM flag in bdi_wq
Date: Mon, 21 Jul 2025 00:13:35 -0700 [thread overview]
Message-ID: <aH3on5GBd6AfgJuw@infradead.org> (raw)
In-Reply-To: <20250721064024.113841-1-hy50.seo@samsung.com>
On Mon, Jul 21, 2025 at 03:40:24PM +0900, hy50.seo wrote:
> if it write with the write back option with f2fs, kernel panic occurs.
> Because the write back function uses bdi_wq and WQ_MEM_RECLAIM flag
> is included and created.
> However, this function calls f2fs_do_quota() of f2fs and finally tries to
> perform quota_release_work.
> the quota_release_work is performed in the events_unbound workqueue,
> but the WQ_MEM_RECLAIM flag is not included.
And what makes you assume the WQ_MEM_RECLAIM was added just for fun
and can simply be deleted?
next prev parent reply other threads:[~2025-07-21 7:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20250721062037epcas2p25fd6fcf66914a419ceefca3285ea09f3@epcas2p2.samsung.com>
2025-07-21 6:40 ` [PATCH v1] writback: remove WQ_MEM_RECLAIM flag in bdi_wq hy50.seo
2025-07-21 7:13 ` Christoph Hellwig [this message]
2025-07-21 8:37 ` hoyoung seo
2025-07-22 5:59 ` 'Christoph Hellwig'
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