Re: [PATCH 1/2] loop: force GFP_NOIO for underlying file systems allocations

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To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH 1/2] loop: force GFP_NOIO for underlying file systems allocations
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 22 Jan 2025 07:32:51 +0100
Cc: Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, nbd@xxxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx
In-reply-to: <Z4pFgIqB50gz-ODi@fedora>
References: <20250117074442.256705-1-hch@lst.de> <20250117074442.256705-2-hch@lst.de> <Z4pFgIqB50gz-ODi@fedora>
User-agent: Mutt/1.5.17 (2007-11-01)

On Fri, Jan 17, 2025 at 07:56:48PM +0800, Ming Lei wrote:
> If we call memalloc_noio_save() here, setting PF_MEMALLOC_NOIO can be removed
> from loop_process_work().

Nah, we can skip this patch as the explicit PF_MEMALLOC_NOIO does
everything that is needed.

References:
- annotate noio context
  - From: Christoph Hellwig
- [PATCH 1/2] loop: force GFP_NOIO for underlying file systems allocations
  - From: Christoph Hellwig
- Re: [PATCH 1/2] loop: force GFP_NOIO for underlying file systems allocations
  - From: Ming Lei

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