diff mbox series

[v2,06/34] power: port block device access to file

Message ID 20240123-vfs-bdev-file-v2-6-adbd023e19cc@kernel.org (mailing list archive)
State New, archived
Headers show
Series Open block devices as files | expand

Commit Message

Christian Brauner Jan. 23, 2024, 1:26 p.m. UTC
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 kernel/power/swap.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

Comments

Christoph Hellwig Jan. 29, 2024, 4:15 p.m. UTC | #1
Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>
Jan Kara Jan. 31, 2024, 6:17 p.m. UTC | #2
On Tue 23-01-24 14:26:23, Christian Brauner wrote:
> Signed-off-by: Christian Brauner <brauner@kernel.org>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  kernel/power/swap.c | 28 ++++++++++++++--------------
>  1 file changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/kernel/power/swap.c b/kernel/power/swap.c
> index 6053ddddaf65..692f12fe60c1 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 bdev_handle *hib_resume_bdev_handle;
> +static struct file *hib_resume_bdev_file;
>  
>  struct hib_bio_batch {
>  	atomic_t		count;
> @@ -276,7 +276,7 @@ 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_handle->bdev, 1, opf,
> +	bio = bio_alloc(file_bdev(hib_resume_bdev_file), 1, opf,
>  			GFP_NOIO | __GFP_HIGH);
>  	bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9);
>  
> @@ -357,14 +357,14 @@ static int swsusp_swap_check(void)
>  		return res;
>  	root_swap = res;
>  
> -	hib_resume_bdev_handle = bdev_open_by_dev(swsusp_resume_device,
> +	hib_resume_bdev_file = bdev_file_open_by_dev(swsusp_resume_device,
>  			BLK_OPEN_WRITE, NULL, NULL);
> -	if (IS_ERR(hib_resume_bdev_handle))
> -		return PTR_ERR(hib_resume_bdev_handle);
> +	if (IS_ERR(hib_resume_bdev_file))
> +		return PTR_ERR(hib_resume_bdev_file);
>  
> -	res = set_blocksize(hib_resume_bdev_handle->bdev, PAGE_SIZE);
> +	res = set_blocksize(file_bdev(hib_resume_bdev_file), PAGE_SIZE);
>  	if (res < 0)
> -		bdev_release(hib_resume_bdev_handle);
> +		fput(hib_resume_bdev_file);
>  
>  	return res;
>  }
> @@ -1523,10 +1523,10 @@ int swsusp_check(bool exclusive)
>  	void *holder = exclusive ? &swsusp_holder : NULL;
>  	int error;
>  
> -	hib_resume_bdev_handle = bdev_open_by_dev(swsusp_resume_device,
> +	hib_resume_bdev_file = bdev_file_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);
> +	if (!IS_ERR(hib_resume_bdev_file)) {
> +		set_blocksize(file_bdev(hib_resume_bdev_file), PAGE_SIZE);
>  		clear_page(swsusp_header);
>  		error = hib_submit_io(REQ_OP_READ, swsusp_resume_block,
>  					swsusp_header, NULL);
> @@ -1551,11 +1551,11 @@ int swsusp_check(bool exclusive)
>  
>  put:
>  		if (error)
> -			bdev_release(hib_resume_bdev_handle);
> +			fput(hib_resume_bdev_file);
>  		else
>  			pr_debug("Image signature found, resuming\n");
>  	} else {
> -		error = PTR_ERR(hib_resume_bdev_handle);
> +		error = PTR_ERR(hib_resume_bdev_file);
>  	}
>  
>  	if (error)
> @@ -1570,12 +1570,12 @@ int swsusp_check(bool exclusive)
>  
>  void swsusp_close(void)
>  {
> -	if (IS_ERR(hib_resume_bdev_handle)) {
> +	if (IS_ERR(hib_resume_bdev_file)) {
>  		pr_debug("Image device not initialised\n");
>  		return;
>  	}
>  
> -	bdev_release(hib_resume_bdev_handle);
> +	fput(hib_resume_bdev_file);
>  }
>  
>  /**
> 
> -- 
> 2.43.0
>
diff mbox series

Patch

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 6053ddddaf65..692f12fe60c1 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 bdev_handle *hib_resume_bdev_handle;
+static struct file *hib_resume_bdev_file;
 
 struct hib_bio_batch {
 	atomic_t		count;
@@ -276,7 +276,7 @@  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_handle->bdev, 1, opf,
+	bio = bio_alloc(file_bdev(hib_resume_bdev_file), 1, opf,
 			GFP_NOIO | __GFP_HIGH);
 	bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9);
 
@@ -357,14 +357,14 @@  static int swsusp_swap_check(void)
 		return res;
 	root_swap = res;
 
-	hib_resume_bdev_handle = bdev_open_by_dev(swsusp_resume_device,
+	hib_resume_bdev_file = bdev_file_open_by_dev(swsusp_resume_device,
 			BLK_OPEN_WRITE, NULL, NULL);
-	if (IS_ERR(hib_resume_bdev_handle))
-		return PTR_ERR(hib_resume_bdev_handle);
+	if (IS_ERR(hib_resume_bdev_file))
+		return PTR_ERR(hib_resume_bdev_file);
 
-	res = set_blocksize(hib_resume_bdev_handle->bdev, PAGE_SIZE);
+	res = set_blocksize(file_bdev(hib_resume_bdev_file), PAGE_SIZE);
 	if (res < 0)
-		bdev_release(hib_resume_bdev_handle);
+		fput(hib_resume_bdev_file);
 
 	return res;
 }
@@ -1523,10 +1523,10 @@  int swsusp_check(bool exclusive)
 	void *holder = exclusive ? &swsusp_holder : NULL;
 	int error;
 
-	hib_resume_bdev_handle = bdev_open_by_dev(swsusp_resume_device,
+	hib_resume_bdev_file = bdev_file_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);
+	if (!IS_ERR(hib_resume_bdev_file)) {
+		set_blocksize(file_bdev(hib_resume_bdev_file), PAGE_SIZE);
 		clear_page(swsusp_header);
 		error = hib_submit_io(REQ_OP_READ, swsusp_resume_block,
 					swsusp_header, NULL);
@@ -1551,11 +1551,11 @@  int swsusp_check(bool exclusive)
 
 put:
 		if (error)
-			bdev_release(hib_resume_bdev_handle);
+			fput(hib_resume_bdev_file);
 		else
 			pr_debug("Image signature found, resuming\n");
 	} else {
-		error = PTR_ERR(hib_resume_bdev_handle);
+		error = PTR_ERR(hib_resume_bdev_file);
 	}
 
 	if (error)
@@ -1570,12 +1570,12 @@  int swsusp_check(bool exclusive)
 
 void swsusp_close(void)
 {
-	if (IS_ERR(hib_resume_bdev_handle)) {
+	if (IS_ERR(hib_resume_bdev_file)) {
 		pr_debug("Image device not initialised\n");
 		return;
 	}
 
-	bdev_release(hib_resume_bdev_handle);
+	fput(hib_resume_bdev_file);
 }
 
 /**