From patchwork Wed Mar 6 08:54:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Byungchul Park X-Patchwork-Id: 13583568 Received: from invmail4.hynix.com (exvmail4.hynix.com [166.125.252.92]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B75385FB8E; Wed, 6 Mar 2024 08:55:37 +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=1709715340; cv=none; b=LsjcznYzl2RxDV0fl/6ObXdtfDWVzgSBMdBgR9ZodgY1hNAnrvKlnuFyzKdDLVoTz+rniJqebftvcnj/r6bxJEnxyCxe7Jd2EUt4O359WShCZvaM1kA9mLNGOX2xClNeS3itctNlN0g8HvfQVr9TUvVHcP1KK1D4CI+CekRLXbU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709715340; c=relaxed/simple; bh=RIc5udGVOneBYojEExyl4QYDrUVZJa4Vo+L4Ic7nXzw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=GsQGC8r1ozAQSu1uWrUMIThLAabOoE7+cjqMSvuU5aVfOX82Xr0ot1qG0i4jYAi7SK311rvjjcb/OgbgOltWwg0HL325m9N6RCrqzt5S4/SoaCDMjxoyCEMflL8xfAdXAFt0CozJVRwYCeSxrNK6+bUKkTHgiWKWSEsf2ejmpWU= 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-b8-65e82f7dce79 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, 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 v13 09/27] dept: Apply sdt_might_sleep_{start,end}() to waitqueue wait Date: Wed, 6 Mar 2024 17:54:55 +0900 Message-Id: <20240306085513.41482-10-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240306085513.41482-1-byungchul@sk.com> References: <20240306085513.41482-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSV0xTcRSH/d/ZVmtuqtErPmCqBuMCFMgxMcYnvEZNHIkaieMKV2ksqEVm MKIMwUoFEqijQimkrCpahgsQMVSRMFREMAUFUUHKCNhqgagt0ZeTL7/zO9/TEeGyKtJDpAg/ J6jCeaWckhCSkXn56857Dwo+RY83QuZVH7D/SCVAV26ioP1uGQJT5UUMhhq3wXuHDcF0SxsO 2ux2BPl9PThUWnoR1BZfouDtwHzosI9R0JStpiCxoJyC18MzGFhzsjAoM++C5gwDBvXObwRo hyi4pU3EXGMQA6exlAZjwkroL75Jw0yfLzT1dpJQ+2EN3Mi1UlBT20SA5WE/Bm8f6yjoNf0h odnykoD2zHQS7owaKBh2GHEw2sdoeFOvx+BekkuUMvmbhBfp9RikFN7HoKP7CYK61E8YmE2d FDy32zCoMGfjMFXUiKBfM0JD8lUnDbcuahCok3MISLL6w/QvHbV1E/fcNoZzSRXRXK1DT3Cv DCz36GYPzSXVfaA5vTmSqyhezRXUDGFc/oSd5MylaRRnnsiiuSsjHRg32tpKcy+vTxPcQIcW 2+1xSLI5RFAqogSV95ZjktBXP4fIMyXimPGMy1QCKqKvILGIZfzYvMER/D9/tRQQbqYYL7ar yzmbL2SWsRXpX0k344xNwha2Brp5AbOf1ZaOIjcTzEr2uz53tiNlAtjOB/3//J5s2b36WY/Y lV8bvUa5Wcb4sy2J+S6WuDqJYjY3w/DvYAn7rLiLyEBSPZpTimSK8KgwXqH0Wx8aG66IWR98 OsyMXM9kPD8T9BBNtO9rQIwIyedJt4q/CTKSj4qIDWtArAiXL5TGTw0IMmkIHxsnqE4fVUUq hYgGtFREyBdLNziiQ2TMSf6ccEoQzgiq/1tMJPZIQB65db7xjZo4EgKOZ55o6QnWpZQUDi9a hc+1kF/G+ZkjznU6JmuzWnEh+vamuc6P3aazBwOjNfanvisEfkfNTo3m0uRye17al3deAZ7O tPFsz+pypSGmuS/Iuqe6zRsPUX8sU29flvx5zwGrT9X+XUrF2srD3TlBnxW3bY7qvVFyIiKU 912NqyL4vwEA7wJIAwAA X-Brightmail-Tracker: H4sIAAAAAAAAAzXSa0hTYRgH8N73nPOebbQ4LatD0oXVsgvds54udCHKl+4QGAVRow651Blb mUaBpdnFLI10Vlbz0jRdZWdFN2dLyZySWYpWqKRYaU0Nc5YXKhf15eHH83/4f3oUjMbCjVEY jAckk1EfpiUqVrVxSeyMo7NapdkVHn9IPjsbvN2nWEi/YydQdTsfgf3eMQxtz4OgrseDoP/l KwYsKVUIMpoaGLhX2ojAmXucQHXLMKjxdhJwpyQQiM26Q+D11wEM9akXMOTLG6AiKRODq/cz C5Y2AlcssXhwtGLoteXxYIvRQXPuZR4GmuaAu7GWg5Krbg6c76fDpWv1BAqdbhZKHzZjqH6c TqDR/puDitIyFqqSEzm41ZFJ4GuPjQGbt5OHNy4rhoK4wbb47784eJHowhCffRdDzbsnCIpO fcAg22sJlHg9GBxyCgN9Oc8RNJ9r5+HE2V4erhw7hyDhRCoLcfWB0P8znaxYTEs8nQyNcxyi zh4rS8szRfrocgNP44re89QqH6SO3Gk0q7AN04wuL0flvNOEyl0XeHqmvQbTjspKnpal9bO0 pcaCN/tvVy3dI4UZIiXTrGW7VCHlP9q4/TeVUd+STpIYlMOfQUqFKMwXP5VmsT4TIUB8+7aX 8dlPmCA6Ej9xPjOCRyVmV67xeYQQLFryOpDPrKATv1iv/b1RCwvE2gfN/zrHi/kFrr89ysH9 +Y7zxGeNECi+jM0gSUhlRUPykJ/BGBmuN4QFzjSHhkQbDVEzd0eEy2jwXWxHB5Ifou7qoGIk KJB2qHqF8rOk4fSR5ujwYiQqGK2f+khfi6RR79FHH5ZMETtNB8MkczHyV7Da0eq1W6VdGmGv /oAUKkn7JdP/FCuUY2KQtsCvemzo6U2vNRPzV92dMXnexaIbuVM/1re+CYqSg+X7U3Z8aLhZ Vtf1fZihb5Xu+kjPo6ejIhw/n4GxOKVowrrhwWMnHSkM1cYvWJ4wvmeLxr0teG6arntNeVPO RG3d6vW04pD8YMeoKvuPhQGLhl7V7TM7g9ovzuWXYFfqyluH28dpWXOIfs40xmTW/wGOP7T+ KgMAAA== X-CFilter-Loop: Reflected Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Makes Dept able to track dependencies by waitqueue waits. Signed-off-by: Byungchul Park --- include/linux/wait.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/wait.h b/include/linux/wait.h index 3473b663176f..ebeb4678859f 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -7,6 +7,7 @@ #include #include #include +#include #include #include @@ -303,6 +304,7 @@ extern void init_wait_entry(struct wait_queue_entry *wq_entry, int flags); struct wait_queue_entry __wq_entry; \ long __ret = ret; /* explicit shadow */ \ \ + sdt_might_sleep_start(NULL); \ init_wait_entry(&__wq_entry, exclusive ? WQ_FLAG_EXCLUSIVE : 0); \ for (;;) { \ long __int = prepare_to_wait_event(&wq_head, &__wq_entry, state);\ @@ -318,6 +320,7 @@ extern void init_wait_entry(struct wait_queue_entry *wq_entry, int flags); cmd; \ } \ finish_wait(&wq_head, &__wq_entry); \ + sdt_might_sleep_end(); \ __out: __ret; \ })