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Subject[PATCH 4.14 37/61] md: use mddev_suspend/resume instead of ->quiesce()
Date
4.14-stable review patch.  If anyone has any objections, please let me know.

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

From: NeilBrown <neilb@suse.com>

commit 9e1cc0a54556a6c63dc0cfb7cd7d60d43337bba6 upstream.

mddev_suspend() is a more general interface than
calling ->quiesce() and is so more extensible. A
future patch will make use of this.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jack Wang <jinpu.wang@profitbricks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/md/md.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)

--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4870,8 +4870,8 @@ suspend_lo_store(struct mddev *mddev, co
mddev->pers->quiesce(mddev, 2);
} else {
/* Expanding suspended region - need to wait */
- mddev->pers->quiesce(mddev, 1);
- mddev->pers->quiesce(mddev, 0);
+ mddev_suspend(mddev);
+ mddev_resume(mddev);
}
err = 0;
unlock:
@@ -4914,8 +4914,8 @@ suspend_hi_store(struct mddev *mddev, co
mddev->pers->quiesce(mddev, 2);
} else {
/* Expanding suspended region - need to wait */
- mddev->pers->quiesce(mddev, 1);
- mddev->pers->quiesce(mddev, 0);
+ mddev_suspend(mddev);
+ mddev_resume(mddev);
}
err = 0;
unlock:
@@ -6666,7 +6666,7 @@ static int set_bitmap_file(struct mddev
struct bitmap *bitmap;

bitmap = bitmap_create(mddev, -1);
- mddev->pers->quiesce(mddev, 1);
+ mddev_suspend(mddev);
if (!IS_ERR(bitmap)) {
mddev->bitmap = bitmap;
err = bitmap_load(mddev);
@@ -6676,11 +6676,11 @@ static int set_bitmap_file(struct mddev
bitmap_destroy(mddev);
fd = -1;
}
- mddev->pers->quiesce(mddev, 0);
+ mddev_resume(mddev);
} else if (fd < 0) {
- mddev->pers->quiesce(mddev, 1);
+ mddev_suspend(mddev);
bitmap_destroy(mddev);
- mddev->pers->quiesce(mddev, 0);
+ mddev_resume(mddev);
}
}
if (fd < 0) {
@@ -6966,7 +6966,7 @@ static int update_array_info(struct mdde
mddev->bitmap_info.space =
mddev->bitmap_info.default_space;
bitmap = bitmap_create(mddev, -1);
- mddev->pers->quiesce(mddev, 1);
+ mddev_suspend(mddev);
if (!IS_ERR(bitmap)) {
mddev->bitmap = bitmap;
rv = bitmap_load(mddev);
@@ -6974,7 +6974,7 @@ static int update_array_info(struct mdde
rv = PTR_ERR(bitmap);
if (rv)
bitmap_destroy(mddev);
- mddev->pers->quiesce(mddev, 0);
+ mddev_resume(mddev);
} else {
/* remove the bitmap */
if (!mddev->bitmap) {
@@ -6997,9 +6997,9 @@ static int update_array_info(struct mdde
mddev->bitmap_info.nodes = 0;
md_cluster_ops->leave(mddev);
}
- mddev->pers->quiesce(mddev, 1);
+ mddev_suspend(mddev);
bitmap_destroy(mddev);
- mddev->pers->quiesce(mddev, 0);
+ mddev_resume(mddev);
mddev->bitmap_info.offset = 0;
}
}

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