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Thu, 14 May 2026 06:54:16 -0700 (PDT) Received: from localhost.localdomain ([2a00:6d43:105:c401:e307:1a37:2e76:ce91]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45da15a5653sm7363584f8f.35.2026.05.14.06.54.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 May 2026 06:54:16 -0700 (PDT) From: Marco Crivellari To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: Tejun Heo , Lai Jiangshan , Frederic Weisbecker , Sebastian Andrzej Siewior , Marco Crivellari , Michal Hocko , Namjae Jeon , Hyunchul Lee Subject: [PATCH] ntfs: Add WQ_PERCPU to alloc_workqueue users Date: Thu, 14 May 2026 15:54:08 +0200 Message-ID: <20260514135408.297659-1-marco.crivellari@suse.com> X-Mailer: git-send-email 2.54.0 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: quoted-printable This continues the effort to refactor workqueue APIs, which began with the introduction of new workqueues and a new alloc_workqueue flag in: commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq") commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag") The refactoring is going to alter the default behavior of alloc_workqueue() to be unbound by default. With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND), any alloc_workqueue() caller that doesn=E2=80=99t explicitly specify WQ_UNB= OUND must now use WQ_PERCPU. For more details see the Link tag below. In order to keep alloc_workqueue() behavior identical, explicitly request WQ_PERCPU. Link: https://lore.kernel.org/all/20250221112003.1dSuoGyc@linutronix.de/ Suggested-by: Tejun Heo Signed-off-by: Marco Crivellari Reviewed-by: Hyunchul Lee --- fs/ntfs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index 22dc7865eca7..3a25e4dcfba4 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -2628,7 +2628,7 @@ MODULE_ALIAS_FS("ntfs"); =20 static int ntfs_workqueue_init(void) { - ntfs_wq =3D alloc_workqueue("ntfs-bg-io", 0, 0); + ntfs_wq =3D alloc_workqueue("ntfs-bg-io", WQ_PERCPU, 0); if (!ntfs_wq) return -ENOMEM; return 0; --=20 2.54.0