Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 29 insertions, 28 deletions

diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 8d35b9f9aa..dee341ae4a 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -684,7 +684,7 @@ static void power_down(void)
 		cpu_relax();
 }
 
-static int load_image_and_restore(bool snapshot_test)
+static int load_image_and_restore(void)
 {
 	int error;
 	unsigned int flags;
@@ -694,12 +694,12 @@ static int load_image_and_restore(bool snapshot_test)
 	lock_device_hotplug();
 	error = create_basic_memory_bitmaps();
 	if (error) {
-		swsusp_close(snapshot_test);
+		swsusp_close();
 		goto Unlock;
 	}
 
 	error = swsusp_read(&flags);
-	swsusp_close(snapshot_test);
+	swsusp_close();
 	if (!error)
 		error = hibernation_restore(flags & SF_PLATFORM_MODE);
 
@@ -788,7 +788,7 @@ int hibernate(void)
 		pm_pr_dbg("Checking hibernation image\n");
 		error = swsusp_check(false);
 		if (!error)
-			error = load_image_and_restore(false);
+			error = load_image_and_restore();
 	}
 	thaw_processes();
 
@@ -952,7 +952,7 @@ static int software_resume(void)
 	/* The snapshot device should not be opened while we're running */
 	if (!hibernate_acquire()) {
 		error = -EBUSY;
-		swsusp_close(true);
+		swsusp_close();
 		goto Unlock;
 	}
 
@@ -973,7 +973,7 @@ static int software_resume(void)
 		goto Close_Finish;
 	}
 
-	error = load_image_and_restore(true);
+	error = load_image_and_restore();
 	thaw_processes();
  Finish:
 	pm_notifier_call_chain(PM_POST_RESTORE);
@@ -987,7 +987,7 @@ static int software_resume(void)
 	pm_pr_dbg("Hibernation image not present or could not be loaded.\n");
 	return error;
  Close_Finish:
-	swsusp_close(true);
+	swsusp_close();
 	goto Finish;
 }
 
diff --git a/kernel/power/power.h b/kernel/power/power.h
index a98f95e309..17fd9aaaf0 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -172,7 +172,7 @@ int swsusp_check(bool exclusive);
 extern void swsusp_free(void);
 extern int swsusp_read(unsigned int *flags_p);
 extern int swsusp_write(unsigned int flags);
-void swsusp_close(bool exclusive);
+void swsusp_close(void);
 #ifdef CONFIG_SUSPEND
 extern int swsusp_unmark(void);
 #endif
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index d71c590550..d44f5937f1 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -222,7 +222,7 @@ int swsusp_swap_in_use(void)
  */
 
 static unsigned short root_swap = 0xffff;
-static struct block_device *hib_resume_bdev;
+static struct bdev_handle *hib_resume_bdev_handle;
 
 struct hib_bio_batch {
 	atomic_t		count;
@@ -276,7 +276,8 @@ static int hib_submit_io(blk_opf_t opf, pgoff_t page_off, void *addr,
 	struct bio *bio;
 	int error = 0;
 
-	bio = bio_alloc(hib_resume_bdev, 1, opf, GFP_NOIO | __GFP_HIGH);
+	bio = bio_alloc(hib_resume_bdev_handle->bdev, 1, opf,
+			GFP_NOIO | __GFP_HIGH);
 	bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9);
 
 	if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
@@ -356,14 +357,14 @@ static int swsusp_swap_check(void)
 		return res;
 	root_swap = res;
 
-	hib_resume_bdev = blkdev_get_by_dev(swsusp_resume_device,
+	hib_resume_bdev_handle = bdev_open_by_dev(swsusp_resume_device,
 			BLK_OPEN_WRITE, NULL, NULL);
-	if (IS_ERR(hib_resume_bdev))
-		return PTR_ERR(hib_resume_bdev);
+	if (IS_ERR(hib_resume_bdev_handle))
+		return PTR_ERR(hib_resume_bdev_handle);
 
-	res = set_blocksize(hib_resume_bdev, PAGE_SIZE);
+	res = set_blocksize(hib_resume_bdev_handle->bdev, PAGE_SIZE);
 	if (res < 0)
-		blkdev_put(hib_resume_bdev, NULL);
+		bdev_release(hib_resume_bdev_handle);
 
 	return res;
 }
@@ -443,7 +444,7 @@ static int get_swap_writer(struct swap_map_handle *handle)
 err_rel:
 	release_swap_writer(handle);
 err_close:
-	swsusp_close(false);
+	swsusp_close();
 	return ret;
 }
 
@@ -508,7 +509,7 @@ static int swap_writer_finish(struct swap_map_handle *handle,
 	if (error)
 		free_all_swap_pages(root_swap);
 	release_swap_writer(handle);
-	swsusp_close(false);
+	swsusp_close();
 
 	return error;
 }
@@ -1513,7 +1514,7 @@ end:
 static void *swsusp_holder;
 
 /**
- * swsusp_check - Check for swsusp signature in the resume device
+ * swsusp_check - Open the resume device and check for the swsusp signature.
  * @exclusive: Open the resume device exclusively.
  */
 
@@ -1522,10 +1523,10 @@ int swsusp_check(bool exclusive)
 	void *holder = exclusive ? &swsusp_holder : NULL;
 	int error;
 
-	hib_resume_bdev = blkdev_get_by_dev(swsusp_resume_device, BLK_OPEN_READ,
-					    holder, NULL);
-	if (!IS_ERR(hib_resume_bdev)) {
-		set_blocksize(hib_resume_bdev, PAGE_SIZE);
+	hib_resume_bdev_handle = bdev_open_by_dev(swsusp_resume_device,
+				BLK_OPEN_READ, holder, NULL);
+	if (!IS_ERR(hib_resume_bdev_handle)) {
+		set_blocksize(hib_resume_bdev_handle->bdev, PAGE_SIZE);
 		clear_page(swsusp_header);
 		error = hib_submit_io(REQ_OP_READ, swsusp_resume_block,
 					swsusp_header, NULL);
@@ -1550,11 +1551,11 @@ int swsusp_check(bool exclusive)
 
 put:
 		if (error)
-			blkdev_put(hib_resume_bdev, holder);
+			bdev_release(hib_resume_bdev_handle);
 		else
 			pr_debug("Image signature found, resuming\n");
 	} else {
-		error = PTR_ERR(hib_resume_bdev);
+		error = PTR_ERR(hib_resume_bdev_handle);
 	}
 
 	if (error)
@@ -1564,18 +1565,18 @@ put:
 }
 
 /**
- * swsusp_close - close swap device.
+ * swsusp_close - close resume device.
  * @exclusive: Close the resume device which is exclusively opened.
  */
 
-void swsusp_close(bool exclusive)
+void swsusp_close(void)
 {
-	if (IS_ERR(hib_resume_bdev)) {
+	if (IS_ERR(hib_resume_bdev_handle)) {
 		pr_debug("Image device not initialised\n");
 		return;
 	}
 
-	blkdev_put(hib_resume_bdev, exclusive ? &swsusp_holder : NULL);
+	bdev_release(hib_resume_bdev_handle);
 }
 
 /**