diff mbox series

[v2,18/34] bcachefs: port block device access to file

Message ID 20240123-vfs-bdev-file-v2-18-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>
---
 fs/bcachefs/super-io.c    | 20 ++++++++++----------
 fs/bcachefs/super_types.h |  2 +-
 2 files changed, 11 insertions(+), 11 deletions(-)

Comments

Jan Kara Feb. 1, 2024, 10:13 a.m. UTC | #1
On Tue 23-01-24 14:26:35, 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

> ---
>  fs/bcachefs/super-io.c    | 20 ++++++++++----------
>  fs/bcachefs/super_types.h |  2 +-
>  2 files changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
> index d60c7d27a047..ce8cf2d91f84 100644
> --- a/fs/bcachefs/super-io.c
> +++ b/fs/bcachefs/super-io.c
> @@ -142,8 +142,8 @@ void bch2_sb_field_delete(struct bch_sb_handle *sb,
>  void bch2_free_super(struct bch_sb_handle *sb)
>  {
>  	kfree(sb->bio);
> -	if (!IS_ERR_OR_NULL(sb->bdev_handle))
> -		bdev_release(sb->bdev_handle);
> +	if (!IS_ERR_OR_NULL(sb->s_bdev_file))
> +		fput(sb->s_bdev_file);
>  	kfree(sb->holder);
>  	kfree(sb->sb_name);
>  
> @@ -704,22 +704,22 @@ static int __bch2_read_super(const char *path, struct bch_opts *opts,
>  	if (!opt_get(*opts, nochanges))
>  		sb->mode |= BLK_OPEN_WRITE;
>  
> -	sb->bdev_handle = bdev_open_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
> -	if (IS_ERR(sb->bdev_handle) &&
> -	    PTR_ERR(sb->bdev_handle) == -EACCES &&
> +	sb->s_bdev_file = bdev_file_open_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
> +	if (IS_ERR(sb->s_bdev_file) &&
> +	    PTR_ERR(sb->s_bdev_file) == -EACCES &&
>  	    opt_get(*opts, read_only)) {
>  		sb->mode &= ~BLK_OPEN_WRITE;
>  
> -		sb->bdev_handle = bdev_open_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
> -		if (!IS_ERR(sb->bdev_handle))
> +		sb->s_bdev_file = bdev_file_open_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
> +		if (!IS_ERR(sb->s_bdev_file))
>  			opt_set(*opts, nochanges, true);
>  	}
>  
> -	if (IS_ERR(sb->bdev_handle)) {
> -		ret = PTR_ERR(sb->bdev_handle);
> +	if (IS_ERR(sb->s_bdev_file)) {
> +		ret = PTR_ERR(sb->s_bdev_file);
>  		goto out;
>  	}
> -	sb->bdev = sb->bdev_handle->bdev;
> +	sb->bdev = file_bdev(sb->s_bdev_file);
>  
>  	ret = bch2_sb_realloc(sb, 0);
>  	if (ret) {
> diff --git a/fs/bcachefs/super_types.h b/fs/bcachefs/super_types.h
> index 0e5a14fc8e7f..ec784d975f66 100644
> --- a/fs/bcachefs/super_types.h
> +++ b/fs/bcachefs/super_types.h
> @@ -4,7 +4,7 @@
>  
>  struct bch_sb_handle {
>  	struct bch_sb		*sb;
> -	struct bdev_handle	*bdev_handle;
> +	struct file		*s_bdev_file;
>  	struct block_device	*bdev;
>  	char			*sb_name;
>  	struct bio		*bio;
> 
> -- 
> 2.43.0
>
diff mbox series

Patch

diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index d60c7d27a047..ce8cf2d91f84 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -142,8 +142,8 @@  void bch2_sb_field_delete(struct bch_sb_handle *sb,
 void bch2_free_super(struct bch_sb_handle *sb)
 {
 	kfree(sb->bio);
-	if (!IS_ERR_OR_NULL(sb->bdev_handle))
-		bdev_release(sb->bdev_handle);
+	if (!IS_ERR_OR_NULL(sb->s_bdev_file))
+		fput(sb->s_bdev_file);
 	kfree(sb->holder);
 	kfree(sb->sb_name);
 
@@ -704,22 +704,22 @@  static int __bch2_read_super(const char *path, struct bch_opts *opts,
 	if (!opt_get(*opts, nochanges))
 		sb->mode |= BLK_OPEN_WRITE;
 
-	sb->bdev_handle = bdev_open_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
-	if (IS_ERR(sb->bdev_handle) &&
-	    PTR_ERR(sb->bdev_handle) == -EACCES &&
+	sb->s_bdev_file = bdev_file_open_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
+	if (IS_ERR(sb->s_bdev_file) &&
+	    PTR_ERR(sb->s_bdev_file) == -EACCES &&
 	    opt_get(*opts, read_only)) {
 		sb->mode &= ~BLK_OPEN_WRITE;
 
-		sb->bdev_handle = bdev_open_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
-		if (!IS_ERR(sb->bdev_handle))
+		sb->s_bdev_file = bdev_file_open_by_path(path, sb->mode, sb->holder, &bch2_sb_handle_bdev_ops);
+		if (!IS_ERR(sb->s_bdev_file))
 			opt_set(*opts, nochanges, true);
 	}
 
-	if (IS_ERR(sb->bdev_handle)) {
-		ret = PTR_ERR(sb->bdev_handle);
+	if (IS_ERR(sb->s_bdev_file)) {
+		ret = PTR_ERR(sb->s_bdev_file);
 		goto out;
 	}
-	sb->bdev = sb->bdev_handle->bdev;
+	sb->bdev = file_bdev(sb->s_bdev_file);
 
 	ret = bch2_sb_realloc(sb, 0);
 	if (ret) {
diff --git a/fs/bcachefs/super_types.h b/fs/bcachefs/super_types.h
index 0e5a14fc8e7f..ec784d975f66 100644
--- a/fs/bcachefs/super_types.h
+++ b/fs/bcachefs/super_types.h
@@ -4,7 +4,7 @@ 
 
 struct bch_sb_handle {
 	struct bch_sb		*sb;
-	struct bdev_handle	*bdev_handle;
+	struct file		*s_bdev_file;
 	struct block_device	*bdev;
 	char			*sb_name;
 	struct bio		*bio;