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23 Jan 2024 01:43:50 -0800 From: Johannes Thumshirn Date: Tue, 23 Jan 2024 01:43:42 -0800 Subject: [PATCH 1/5] zonefs: pass GFP_KERNEL to blkdev_zone_mgmt() call Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240123-zonefs_nofs-v1-1-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=967; i=johannes.thumshirn@wdc.com; s=20230613; h=from:subject:message-id; bh=USx+V+gR/5Lk+0GJr2lbq1FeCI2pXKMzpek+ct39bMM=; b=CqyzAxjrtVF3h1COiTD1vUp/FvMExp42Wy7b72mtI/+VK3Cc+nQQgb8KdYlLZ32Qn9DwLPhCQ 2dpOdt+5tGWBTomHGv+qgGPRnYLx+GcwkDEU2N7SunPs8Zz3A98pXO5 X-Developer-Key: i=johannes.thumshirn@wdc.com; a=ed25519; pk=TGmHKs78FdPi+QhrViEvjKIGwReUGCfa+3LEnGoR2KM= Pass GFP_KERNEL instead of GFP_NOFS to the blkdev_zone_mgmt() call in zonefs_zone_mgmt(). As as zonefs_zone_mgmt() and zonefs_inode_zone_mgmt() are never called from a place that can recurse back into the filesystem on memory reclaim, it is save to call blkdev_zone_mgmt() with GFP_KERNEL. Signed-off-by: Johannes Thumshirn --- fs/zonefs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index 93971742613a..63fbac018c04 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -113,7 +113,7 @@ static int zonefs_zone_mgmt(struct super_block *sb, trace_zonefs_zone_mgmt(sb, z, op); ret = blkdev_zone_mgmt(sb->s_bdev, op, z->z_sector, - z->z_size >> SECTOR_SHIFT, GFP_NOFS); + z->z_size >> SECTOR_SHIFT, GFP_KERNEL); if (ret) { zonefs_err(sb, "Zone management operation %s at %llu failed %d\n", -- 2.43.0