diff options
author | Yu Kuai <yukuai3@huawei.com> | 2023-05-12 04:56:08 +0300 |
---|---|---|
committer | Song Liu <song@kernel.org> | 2023-06-14 01:13:21 +0300 |
commit | 431e61257d631157e1d374f1368febf37aa59f7c (patch) | |
tree | 8d9adecbca00a8e3520b5d175f66c359e5516054 /drivers/md | |
parent | 873f50ece41aad5c4f788a340960c53774b5526e (diff) | |
download | linux-431e61257d631157e1d374f1368febf37aa59f7c.tar.xz |
md: export md_is_rdwr() and is_md_suspended()
The two apis will be used later to fix a deadlock in raid456, there are
no functional changes.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230512015610.821290-4-yukuai1@huaweicloud.com
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/md.c | 16 | ||||
-rw-r--r-- | drivers/md/md.h | 17 |
2 files changed, 17 insertions, 16 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index b7f83784710b..fb060e381ae7 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -93,18 +93,6 @@ static int remove_and_add_spares(struct mddev *mddev, struct md_rdev *this); static void mddev_detach(struct mddev *mddev); -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 @@ -360,10 +348,6 @@ EXPORT_SYMBOL_GPL(md_new_event); static LIST_HEAD(all_mddevs); static DEFINE_SPINLOCK(all_mddevs_lock); -static bool is_md_suspended(struct mddev *mddev) -{ - return percpu_ref_is_dying(&mddev->active_io); -} /* Rather than calling directly into the personality make_request function, * IO requests come here first so that we can check if the device is * being suspended pending a reconfiguration. diff --git a/drivers/md/md.h b/drivers/md/md.h index fd8f260ed5f8..da173d6bf726 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -555,6 +555,23 @@ 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 bool is_md_suspended(struct mddev *mddev) +{ + return percpu_ref_is_dying(&mddev->active_io); +} + static inline int __must_check mddev_lock(struct mddev *mddev) { return mutex_lock_interruptible(&mddev->reconfig_mutex); |