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Message-Id: <20240201092559.910982-9-yukuai1@huaweicloud.com>
Date: Thu, 1 Feb 2024 17:25:53 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: mpatocka@...hat.com,
heinzm@...hat.com,
xni@...hat.com,
blazej.kucman@...ux.intel.com,
agk@...hat.com,
snitzer@...nel.org,
dm-devel@...ts.linux.dev,
song@...nel.org,
yukuai3@...wei.com,
jbrassow@....redhat.com,
neilb@...e.de,
shli@...com,
akpm@...l.org
Cc: linux-kernel@...r.kernel.org,
linux-raid@...r.kernel.org,
yukuai1@...weicloud.com,
yi.zhang@...wei.com,
yangerkun@...wei.com
Subject: [PATCH v5 08/14] md: export helper md_is_rdwr()
From: Yu Kuai <yukuai3@...wei.com>
There are no functional changes for now, prepare to fix a deadlock for
dm-raid456.
Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
drivers/md/md.c | 12 ------------
drivers/md/md.h | 12 ++++++++++++
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 19f16a77cf9c..2c245341148a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -99,18 +99,6 @@ static void mddev_detach(struct mddev *mddev);
static void export_rdev(struct md_rdev *rdev, struct mddev *mddev);
static void md_wakeup_thread_directly(struct md_thread __rcu *thread);
-enum md_ro_state {
- MD_RDWR,
- MD_RDONLY,
- MD_AUTO_READ,
- MD_MAX_STATE
-};
-
-static bool md_is_rdwr(struct mddev *mddev)
-{
- return (mddev->ro == MD_RDWR);
-}
-
/*
* Default number of read corrections we'll attempt on an rdev
* before ejecting it from the array. We divide the read error
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 437ab70ce79b..684cc866402a 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -558,6 +558,18 @@ enum recovery_flags {
MD_RESYNCING_REMOTE, /* remote node is running resync thread */
};
+enum md_ro_state {
+ MD_RDWR,
+ MD_RDONLY,
+ MD_AUTO_READ,
+ MD_MAX_STATE
+};
+
+static inline bool md_is_rdwr(struct mddev *mddev)
+{
+ return (mddev->ro == MD_RDWR);
+}
+
static inline int __must_check mddev_lock(struct mddev *mddev)
{
return mutex_lock_interruptible(&mddev->reconfig_mutex);
--
2.39.2
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