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23 Jan 2024 01:43:54 -0800 From: Johannes Thumshirn Date: Tue, 23 Jan 2024 01:43:43 -0800 Subject: [PATCH 2/5] dm: dm-zoned: pass GFP_KERNEL to blkdev_zone_mgmt Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240123-zonefs_nofs-v1-2-cc0b0308ef25@wdc.com> References: <20240123-zonefs_nofs-v1-0-cc0b0308ef25@wdc.com> In-Reply-To: <20240123-zonefs_nofs-v1-0-cc0b0308ef25@wdc.com> To: Damien Le Moal , Naohiro Aota , Mike Snitzer , dm-devel@lists.linux.dev, Chris Mason , Josef Bacik , David Sterba , Jaegeuk Kim , Chao Yu , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, Johannes Thumshirn , "Matthew Wilcox (Oracle)" X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1706003027; l=991; i=johannes.thumshirn@wdc.com; s=20230613; h=from:subject:message-id; bh=aNukikOqhJIFNWqZ0ODBJWyAugGq+LPMMd8TTS5AKQ4=; b=ikAnavOye/kaxQOEWNUwKqvdUxWGtXZzJ7FWZYYfiyPrwIlpkg/V/fzRFKDthgXe8Ohpt6KhU /FHlNMKNb/eDriIYAew0yBQo7R6HpuBpWUzFGRY/CanTb/8FmZgdOJV X-Developer-Key: i=johannes.thumshirn@wdc.com; a=ed25519; pk=TGmHKs78FdPi+QhrViEvjKIGwReUGCfa+3LEnGoR2KM= X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1788874303211012583 X-GMAIL-MSGID: 1788874303211012583 The call to blkdev_zone_mgmt() in dm-zoned is only used to perform a ZONE_RESET operation when freeing a zone. This is not done in the IO path, so we can use GFP_KERNEL here, as it will never recurse back into the driver on reclaim. Signed-off-by: Johannes Thumshirn --- drivers/md/dm-zoned-metadata.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c index fdfe30f7b697..a39734f0cb7d 100644 --- a/drivers/md/dm-zoned-metadata.c +++ b/drivers/md/dm-zoned-metadata.c @@ -1658,7 +1658,7 @@ static int dmz_reset_zone(struct dmz_metadata *zmd, struct dm_zone *zone) ret = blkdev_zone_mgmt(dev->bdev, REQ_OP_ZONE_RESET, dmz_start_sect(zmd, zone), - zmd->zone_nr_sectors, GFP_NOIO); + zmd->zone_nr_sectors, GFP_KERNEL); if (ret) { dmz_dev_err(dev, "Reset zone %u failed %d", zone->id, ret);