linux-kernel - [PATCH blktests 0/3] blktest: add unmap write zeroes tests

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Message-ID: <20250318072835.3508696-1-yi.zhang@huaweicloud.com>
Date: Tue, 18 Mar 2025 15:28:32 +0800
From: Zhang Yi <yi.zhang@...weicloud.com>
To: linux-fsdevel@...r.kernel.org,
	linux-ext4@...r.kernel.org,
	linux-block@...r.kernel.org,
	dm-devel@...ts.linux.dev,
	linux-nvme@...ts.infradead.org,
	linux-scsi@...r.kernel.org
Cc: linux-xfs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	hch@....de,
	tytso@....edu,
	djwong@...nel.org,
	john.g.garry@...cle.com,
	bmarzins@...hat.com,
	chaitanyak@...dia.com,
	shinichiro.kawasaki@....com,
	yi.zhang@...wei.com,
	yi.zhang@...weicloud.com,
	chengzhihao1@...wei.com,
	yukuai3@...wei.com,
	yangerkun@...wei.com
Subject: [PATCH blktests 0/3] blktest: add unmap write zeroes tests

From: Zhang Yi <yi.zhang@...wei.com>

The Linux kernel is planning to support FALLOC_FL_WRITE_ZEROES in
fallocate(2). Add tests for the newly added BLK_FEAT_WRITE_ZEROES_UNMAP
feature flag on the block device queue limit. These tests test block
device unmap write zeroes sysfs interface

        /sys/block/<disk>/queue/write_zeroes_unmap

with various SCSI/NVMe/device-mapper devices.

The /sys/block/<disk>/queue/write_zeroes_unmap interface should return
1 if the block device supports unmap write zeroes command, and it should
return 0 otherwise.

 - scsi/010 test SCSI devices.
 - dm/003 test device mapper stacked devices.
 - nvme/060 test NVMe devices.

Thanks,
Yi.

Zhang Yi (3):
  scsi/010: add unmap write zeroes tests
  dm/003: add unmap write zeroes tests
  nvme/060: add unmap write zeroes tests

 common/rc          | 16 +++++++++++
 tests/dm/003       | 57 ++++++++++++++++++++++++++++++++++++++
 tests/dm/003.out   |  2 ++
 tests/nvme/060     | 68 ++++++++++++++++++++++++++++++++++++++++++++++
 tests/nvme/060.out |  4 +++
 tests/scsi/010     | 56 ++++++++++++++++++++++++++++++++++++++
 tests/scsi/010.out |  2 ++
 7 files changed, 205 insertions(+)
 create mode 100755 tests/dm/003
 create mode 100644 tests/dm/003.out
 create mode 100755 tests/nvme/060
 create mode 100644 tests/nvme/060.out
 create mode 100755 tests/scsi/010
 create mode 100644 tests/scsi/010.out

-- 
2.46.1