Re: [PATCH v3 2/5] dm: dm-zoned: guard blkdev_zone_mgmt with noio scope

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To: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
Subject: Re: [PATCH v3 2/5] dm: dm-zoned: guard blkdev_zone_mgmt with noio scope
From: Mike Snitzer <snitzer@xxxxxxxxxx>
Date: Tue, 30 Jan 2024 15:48:37 -0500
Cc: Damien Le Moal <dlemoal@xxxxxxxxxx>, Naohiro Aota <naohiro.aota@xxxxxxx>, Johannes Thumshirn <jth@xxxxxxxxxx>, Alasdair Kergon <agk@xxxxxxxxxx>, Mikulas Patocka <mpatocka@xxxxxxxxxx>, dm-devel@xxxxxxxxxxxxxxx, Chris Mason <clm@xxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, David Sterba <dsterba@xxxxxxxx>, Jaegeuk Kim <jaegeuk@xxxxxxxxxx>, Chao Yu <chao@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Sagi Grimberg <sagi@xxxxxxxxxxx>, Chaitanya Kulkarni <kch@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20240128-zonefs_nofs-v3-2-ae3b7c8def61@wdc.com>

On Mon, Jan 29 2024 at  2:52P -0500,
Johannes Thumshirn <johannes.thumshirn@xxxxxxx> wrote:

> Guard the calls to blkdev_zone_mgmt() with a memalloc_noio scope.
> This helps us getting rid of the GFP_NOIO argument to blkdev_zone_mgmt();
> 
> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>

Reviewed-by: Mike Snitzer <snitzer@xxxxxxxxxx>

References:
- [PATCH v3 0/5] block: remove gfp_mask for blkdev_zone_mgmt()
  - From: Johannes Thumshirn
- [PATCH v3 2/5] dm: dm-zoned: guard blkdev_zone_mgmt with noio scope
  - From: Johannes Thumshirn

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