Received-SPF: pass (google.com: domain of linux-ext4+bounces-1314-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223;
From: Byungchul Park <byungchul@sk.com>
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>
In-Reply-To: <20240221094933.36348-1-byungchul@sk.com>
References: <20240221094933.36348-1-byungchul@sk.com>
Precedence: bulk

Makes Dept able to track dependencies by hashed-waitqueue waits.

Signed-off-by: Byungchul Park <byungchul@sk.com>
---
 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 <linux/wait.h>
+#include <linux/dept_sdt.h>
 
 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;								\
 })
 
-- 
2.17.1