From patchwork Wed Feb 21 09:49:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Byungchul Park X-Patchwork-Id: 13565260 Received: from invmail4.hynix.com (exvmail4.skhynix.com [166.125.252.92]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 49FD23F8C3; Wed, 21 Feb 2024 09:49:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=166.125.252.92 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708509000; cv=none; b=N4/j/8dDWwpkGPbJuP+CI+ad4ayReBGxbBJ3vNgC/XO7tnT+Yg8w4YuTQ9xRn4gtbqWfIgN5l2jB8+KprWmv/tPJzrKSXeX3GFX1gWENuC2NMrHaJ/vaF7JiuTUJxesFxvI7LDle0FtICCQhThbZ6M+v70wpzGY+5+L/RwAO/NY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708509000; c=relaxed/simple; bh=MruAYr/ze2aZU4Q6DDtEFdBspBpkL05uqzvhsrQG5Gc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=kIrSy8MqjJQ97vU39lyIBnJ3gqkAN6LbkunRPPHRFidzCTkkEFDgNvD8aoRzL9Ou4jK755JmOrssnmp7iMrp0TPSC7eNMQQGzY4kuHemBt2rnpR4Ad+ZcQinWE3kmIFYOdbNSuGmNiCJTIkooqut5/ylEjiVoglqk1iqfF9DTkA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com; spf=pass smtp.mailfrom=sk.com; arc=none smtp.client-ip=166.125.252.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sk.com X-AuditID: a67dfc5b-d85ff70000001748-28-65d5c73939f9 From: Byungchul Park To: linux-kernel@vger.kernel.org Cc: kernel_team@skhynix.com, torvalds@linux-foundation.org, damien.lemoal@opensource.wdc.com, linux-ide@vger.kernel.org, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, will@kernel.org, tglx@linutronix.de, rostedt@goodmis.org, joel@joelfernandes.org, sashal@kernel.org, daniel.vetter@ffwll.ch, duyuyang@gmail.com, johannes.berg@intel.com, tj@kernel.org, tytso@mit.edu, willy@infradead.org, david@fromorbit.com, amir73il@gmail.com, gregkh@linuxfoundation.org, kernel-team@lge.com, linux-mm@kvack.org, akpm@linux-foundation.org, mhocko@kernel.org, minchan@kernel.org, hannes@cmpxchg.org, vdavydov.dev@gmail.com, sj@kernel.org, jglisse@redhat.com, dennis@kernel.org, cl@linux.com, penberg@kernel.org, rientjes@google.com, vbabka@suse.cz, ngupta@vflare.org, linux-block@vger.kernel.org, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz, jlayton@kernel.org, dan.j.williams@intel.com, hch@infradead.org, djwong@kernel.org, dri-devel@lists.freedesktop.org, rodrigosiqueiramelo@gmail.com, melissa.srw@gmail.com, hamohammed.sa@gmail.com, 42.hyeyoo@gmail.com, chris.p.wilson@intel.com, gwan-gyeong.mun@intel.com, max.byungchul.park@gmail.com, boqun.feng@gmail.com, longman@redhat.com, hdanton@sina.com, her0gyugyu@gmail.com Subject: [PATCH v12 10/27] dept: Apply sdt_might_sleep_{start,end}() to hashed-waitqueue wait Date: Wed, 21 Feb 2024 18:49:16 +0900 Message-Id: <20240221094933.36348-11-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240221094933.36348-1-byungchul@sk.com> References: <20240221094933.36348-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAz2SfUzMcRzHfb+/xzuu/XaMX/mD3ZiNJdmxDzOLGb9/bB5m8xi3+k3HdeVS yTwUJxxRzYmrccXOVUe5qylkp+e0FB0d65paHtIlKxepcJfxz2evvd97v/76sIT8ERXCqrWH RZ1WpVHQUlI6MC0/dEXDK3FJeU0oZF1cAr5v50jIK7HR0HavGIGtLA1DX90G6BjxIhhraSUg x9iGIL/bQ0BZfReCKuspGtp7g8DlG6ShyXiBhtO3Smh40T+OofNqNoZi+0ZozizA4Bz9SEJO Hw25Oaex/3zCMGopYsCSOh96rCYGxrvDoanrNQVVbxfB9RudNDyuaiKhvqIHQ/vDPBq6bL8p aK5vJKEtK4OCu18KaOgfsRBg8Q0y8NJpxlCq94vSh39R0JDhxJB++z4G15tHCJ6ce4fBbntN Q43Pi8FhNxLw804dgp5LAwycuTjKQG7aJQQXzlwloXWigQJ95zIY+5FHR6wUaryDhKB3JAtV I2ZSeFbAC5UmDyPon7xlBLM9UXBYFwq3HvdhIX/IRwn2ovO0YB/KZgTDgAsLX54/Z4TGa2Ok 0OvKwZtm75SuihY16iRRF7Z6nzTmoyeLinezRyZqK5lU5KYNSMLynJI3mb7/5zpDKRlgmlvA u92jRIBncHN5R8YHyoCkLMGdncpbv7ZMDqZze3hzXvvkgOTm8+VXvDjAMm4539dqwH+lc/ji UuekSOLPC3O9VIDl3DL+1YtyIiDlubMSvlGfTf0dBPNPrW4yE8nMaEoRkqu1SbEqtUa5OCZF qz6yOCou1o78L2U5Pr6rAg21ba1GHIsU02QxD1yinFIlJaTEViOeJRQzZGSyP5JFq1KOirq4 vbpEjZhQjWazpGKWbOlIcrSc2686LB4UxXhR96/FrCQkFR03/nxf1vE09LJn5vDGtPD1hT9c O7qUaia9RRM0L7Iucezu9t2mZs9JnLxde0wpfXNAtmVdbUdIELnipTNkc2bkSmnG0UPLv9/M 8j1oXHRi5pqGcaYwIsKdNpEfGXWM+zxPubZkWzD+LAlbasu1aoYyHcb+fXPLeoeD6e7wd3GR WgWZEKMKX0joElR/AKHS4eZOAwAA X-Brightmail-Tracker: H4sIAAAAAAAAAzWSfUzMcRzHfb+/x45rP2n85mHsxmyZiI6P1ZqHWT+MYW22MG7dbzoquVPE mutBOIqahC67HpxT4VxZoU4rlbQe6ErsapRRuh6WLnrwcGX++ey193vv118flvDIouazqoiT ojpCESajJaRkl1/Cyg21reLqqoF5kHplNThHLpKgf1RIQ/PDAgSFxXEYeqsD4d2oA8FEQxMB GenNCLI/dRBQXNOJoNwUT0PLZ3ewOQdpqEu/TENC7iMa3vRNYrDfSMNQYNkJ9ddyMFSMfSUh o5eGzIwE7Do9GMaM+QwYtcugy3SbgclPPlDX2UZBVVYdBeUfVsCtO3YaysrrSKgp7cLQ8kxP Q2fhHwrqa16R0JyaTMGDgRwa+kaNBBidgwy8rTBgMCe6bEnff1NQm1yBISnvMQbb++cIrBc/ YrAUttFQ5XRgKLKkEzB+rxpBV0o/A+evjDGQGZeC4PL5GyQ0/aqlINEuh4mfenqjn1DlGCSE xKJTQvmogRRe5/DC09sdjJBo/cAIBkuUUGTyEnLLerGQPeykBEv+JVqwDKcxgq7fhoWBxkZG eHVzghQ+2zLw7oXBEn+lGKaKFtWrAg5LQr92pFKR7ezpXy+fMlrUTuuQG8tzvny1zkxOMc0t 59vbx4gp9uSW8EXJXygdkrAEd2EmbxpqmB7M4Q7yBn3L9IDklvFPrjvwFEu5dXxvkw7/ky7m C8wV0yI3V34/00FNsQcn51vfPCGuIYkBzchHnqqI6HCFKkzurTkWGhOhOu0dcjzcglxPY4yd TC1FIy2BlYhjkWyWNLTEJnpQimhNTHgl4llC5iklT7kiqVIRc0ZUHz+kjgoTNZVoAUvK5km3 7xMPe3BHFCfFY6IYKar/t5h1m69Fce+z5sofl+wxamtLu1VNm4Lct/iKB63WoMCrlVH6pd1e e+8qDXJdnD5+Yoc4NJyXoNQcXWs863vAv23cfmJzG2FWbl/l3bojcmuD2R58K3lRgPvH9O5F 0br1S9lna1Zod/ulaSN/WEI6vr2N+bP/XOzsQNNOa0qP5sX66m1JxQHbZKQmVOHjRag1ir9t 5u28MAMAAA== X-CFilter-Loop: Reflected Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Makes Dept able to track dependencies by hashed-waitqueue waits. Signed-off-by: Byungchul Park --- include/linux/wait_bit.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h index 7725b7579b78..fe89282c3e96 100644 --- a/include/linux/wait_bit.h +++ b/include/linux/wait_bit.h @@ -6,6 +6,7 @@ * Linux wait-bit related types and methods: */ #include +#include struct wait_bit_key { void *flags; @@ -246,6 +247,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p); struct wait_bit_queue_entry __wbq_entry; \ long __ret = ret; /* explicit shadow */ \ \ + sdt_might_sleep_start(NULL); \ init_wait_var_entry(&__wbq_entry, var, \ exclusive ? WQ_FLAG_EXCLUSIVE : 0); \ for (;;) { \ @@ -263,6 +265,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p); cmd; \ } \ finish_wait(__wq_head, &__wbq_entry.wq_entry); \ + sdt_might_sleep_end(); \ __out: __ret; \ })