[PATCH 6.1 275/600] md: Factor out is_md_suspended helper

[Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>]

6.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Xiao Ni <xni@xxxxxxxxxx>

[ Upstream commit d19329133d25ad3dc32f8a62635692cb2f189014 ]

This helper function will be used in next patch. It's easy for
understanding.

Signed-off-by: Xiao Ni <xni@xxxxxxxxxx>
Signed-off-by: Song Liu <song@xxxxxxxxxx>
Stable-dep-of: e24ed04389f9 ("md: restore 'noio_flag' for the last mddev_resume()")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/md/md.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 45daba0eb9310..abb6c03c85b29 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -368,6 +368,13 @@ 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)
+{
+	if (mddev->suspended)
+		return true;
+	else
+		return false;
+}
 /* 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.
@@ -377,7 +384,7 @@ static DEFINE_SPINLOCK(all_mddevs_lock);
  */
 static bool is_suspended(struct mddev *mddev, struct bio *bio)
 {
-	if (mddev->suspended)
+	if (is_md_suspended(mddev))
 		return true;
 	if (bio_data_dir(bio) != WRITE)
 		return false;
@@ -422,7 +429,7 @@ void md_handle_request(struct mddev *mddev, struct bio *bio)
 		goto check_suspended;
 	}
 
-	if (atomic_dec_and_test(&mddev->active_io) && mddev->suspended)
+	if (atomic_dec_and_test(&mddev->active_io) && is_md_suspended(mddev))
 		wake_up(&mddev->sb_wait);
 }
 EXPORT_SYMBOL(md_handle_request);
@@ -6238,7 +6245,7 @@ EXPORT_SYMBOL_GPL(md_stop_writes);
 static void mddev_detach(struct mddev *mddev)
 {
 	md_bitmap_wait_behind_writes(mddev);
-	if (mddev->pers && mddev->pers->quiesce && !mddev->suspended) {
+	if (mddev->pers && mddev->pers->quiesce && !is_md_suspended(mddev)) {
 		mddev->pers->quiesce(mddev, 1);
 		mddev->pers->quiesce(mddev, 0);
 	}
@@ -8548,7 +8555,7 @@ bool md_write_start(struct mddev *mddev, struct bio *bi)
 		return true;
 	wait_event(mddev->sb_wait,
 		   !test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags) ||
-		   mddev->suspended);
+		   is_md_suspended(mddev));
 	if (test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags)) {
 		percpu_ref_put(&mddev->writes_pending);
 		return false;
@@ -9276,7 +9283,7 @@ void md_check_recovery(struct mddev *mddev)
 		wake_up(&mddev->sb_wait);
 	}
 
-	if (mddev->suspended)
+	if (is_md_suspended(mddev))
 		return;
 
 	if (mddev->bitmap)
-- 
2.40.1