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Mon, 21 Aug 2023 00:08:12 -0400 Received: from invmail4.hynix.com (exvmail4.skhynix.com [166.125.252.92]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E3379197; Sun, 20 Aug 2023 21:07:30 -0700 (PDT) X-AuditID: a67dfc5b-d6dff70000001748-9b-64e2ded5b3e2 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: [RESEND PATCH v10 11/25] dept: Apply sdt_might_sleep_{start,end}() to hashed-waitqueue wait Date: Mon, 21 Aug 2023 12:46:23 +0900 Message-Id: <20230821034637.34630-12-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230821034637.34630-1-byungchul@sk.com> References: <20230821034637.34630-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSf0yMcRzHfZ/fXR3PLuYhP29rTRE18ZmZ38vDZmw2I39wcw/d1OEiZTPR CSUqErnZVXZOXdKTWaprKf3SKDp1Uq27GqIfXC5Ohbvwz2evvT97vz7/fBhcVkbOZlTq44JG rYiSUxJCMuiTu6St265c9m4tpF9eBs5vFwnQFZkoaHlQgMD06CwG/bWboX10AMHYi2YcsjJb EOTYunB4VNeNwGw8R0Fr31SwOIcpaMxMoSAxr4iCV5/HMei8kYFBgbgNmtJyMahyfSAgq5+C 21mJmHt8xMBlyKfBkOAPdmM2DeO2EGjsbiPB3BEEt+50UlBhbiSgrtSOQWuZjoJu028Smuoa CGhJTyWhcCiXgs+jBhwMzmEaXlfpMXiodYuSRn6RUJ9ahUHS3WIMLG/LEVRe7MFANLVRUOMc wKBEzMTh571aBPYrgzScv+yi4fbZKwhSzt8goHmingRtZxiM/dBR61bxNQPDOK8tOcmbR/UE /zyX459kd9G8trKD5vXiCb7EGMjnVfRjfI7DSfJi/iWKFx0ZNJ88aMH4oZcvab7h5hjB91my sB1+EZLVSiFKFStolq7ZL4n80JVOHrUycRPPntAJyEolIy+GY5dzKf1D+H8uzxFJD1NsAGe1 uibz6ewCriT1vTuXMDh7wZszfnkxWfZlldy7zmTawwTrz93/2kR4WMqu4Fwjun8H5nMFD6sm RV7uXCwvQx6WsWHcV1sv4ZFybKIX195rIP8WZnFPjVYiDUn1aEo+kqnUsdEKVdTy4Mh4tSou +MCRaBG5P8pwenxvKXK07KxGLIPkPtL9c+xKGamIjYmPrkYcg8unS/2+25QyqVIRf0rQHNmn ORElxFQjP4aQz5SGjp5UythDiuPCYUE4Kmj+bzHGa3YCMvlrw2FOUlDztwA8tLQyQhoSqr7W 8bZYsssctiVu5fP1u3tDM2SF8/Yuaui431cZ9Cl86wx7evCZ7d4zIn66vKObfNTrvSHlahHn OGPXX1toUTlm9mzbs/FC65vr9aSuxzb3oFQ7MoE+5R+oSNuw4vFYe/gx587emk2Lf0zzzcsJ khMxkYqQQFwTo/gD5JDsxU0DAAA= X-Brightmail-Tracker: H4sIAAAAAAAAAzWSf0yMcRzHfZ/fnY5nJ+tRVnZbQ+ZHm+wzzGxmnhlmptn8mI57pqPS7irO Zi79UmSdSUpxFSd1yHMNueIU1Wn94ELU3XRMmiPJHafCnfHPe6+9P/u8/nozuKycDGNUyamC OlmRKKckhGTTisyFz50u5RKPOQr0p5aA59sJAspumijouVGLwFSfgcHw43Xw0utGMN7ZjUNx UQ+CikEHDvWtTgRN1ccpsL+bBr2eEQpsRScpyKy6ScHTjxMYDJw7g0GtuBE6CisxsPqGCCge puBCcSbmjw8Y+Iw1NBh1UeCqLqVhYjAGbM4XJLSU20hoer0ASi4OUNDYZCOg9a4LA/u9Mgqc pt8kdLS2E9CjLyDh+udKCj56jTgYPSM0PLMaMKjL8ttyxn6R0FZgxSDn8i0Mel9ZENw/8QYD 0fSCghaPGwOzWITDz6uPEbhOf6Ih+5SPhgsZpxGczD5HQPdkGwlZA7Ew/qOMWr2Cb3GP4HyW +RDf5DUQ/JNKjm8oddB81v3XNG8Q03hzdTRf1TiM8RVfPSQv1uRRvPj1DM3nf+rF+M9dXTTf fn6c4N/1FmObZ2+XrFQKiap0Qb14VbwkYcihJ1P6mMOTjxpoHeqj8lEQw7FLOUuFSAaYYudy fX0+PMAh7BzOXPDe30sYnM2dylV/6fz7MINVcv0D+XSACTaKuzbaQQRYyi7jfGNl/6SRXG2d 9a8oyN+LlnsowDI2lhsdfEsUIokBTalBIark9CSFKjF2keZAgjZZdXjR3oNJIvKPxnh0Qn8X fbOva0Ysg+TB0vjZLqWMVKRrtEnNiGNweYg0/PugUiZVKrRHBPXB3eq0REHTjMIZQh4qXb9N iJex+xSpwgFBSBHU/68YExSmQ7mqJDZ1w50GZSnuNaz2llxtvG1cFfRgvrtfl7fVIY2caW4e qt07fUy3w7IrrSH8d3Dw0kdr7Ieu5O5/kDHv4fI9Cy6ZDAqrQV8SkXPslb3buTPC9nI7td5c oN0ZysyNS88zzLg+K3+tNsJR6LMwYdn1c8iFm+K65WcnI8O3uFtH5YQmQRETjas1ij8RsZMA MAMAAA== X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org 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; \ })