From d4eef5cd7de9873d2a4dad1032c87aeaa0a3c493 Mon Sep 17 00:00:00 2001 From: Yu Kuai Date: Tue, 5 Mar 2024 15:23:00 +0800 Subject: [PATCH] md: export helper md_is_rdwr() [ Upstream commit 314e9af065513ff86ec9e32eaa96b9bd275cf51d ] There are no functional changes for now, prepare to fix a deadlock for dm-raid456. Cc: stable@vger.kernel.org # v6.7+ Signed-off-by: Yu Kuai Signed-off-by: Xiao Ni Acked-by: Mike Snitzer Signed-off-by: Song Liu Link: https://lore.kernel.org/r/20240305072306.2562024-4-yukuai1@huaweicloud.com Signed-off-by: Sasha Levin --- 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 740541f6cad9..bae513018849 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 0d06d640aa06..db0cb00e4c9a 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -559,6 +559,18 @@ 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);