diff mbox series

[RFC,v4,linux-next,08/19] nilfs2: prevent direct access of bd_inode

Message ID 20240222124555.2049140-9-yukuai1@huaweicloud.com (mailing list archive)
State New
Headers show
Series fs & block: remove bdev->bd_inode | expand

Commit Message

Yu Kuai Feb. 22, 2024, 12:45 p.m. UTC
From: Yu Kuai <yukuai3@huawei.com>

Now that all filesystems stash the bdev file, it's ok to get inode
from the file.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
---
 fs/nilfs2/segment.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Jan Kara March 15, 2024, 2:49 p.m. UTC | #1
On Thu 22-02-24 20:45:44, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@huawei.com>
> 
> Now that all filesystems stash the bdev file, it's ok to get inode
> from the file.
> 
> Signed-off-by: Yu Kuai <yukuai3@huawei.com>

Looks good. Feel free to add:

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

								Honza

> ---
>  fs/nilfs2/segment.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
> index aa5290cb7467..2940e8ef88f4 100644
> --- a/fs/nilfs2/segment.c
> +++ b/fs/nilfs2/segment.c
> @@ -2790,7 +2790,7 @@ int nilfs_attach_log_writer(struct super_block *sb, struct nilfs_root *root)
>  	if (!nilfs->ns_writer)
>  		return -ENOMEM;
>  
> -	inode_attach_wb(nilfs->ns_bdev->bd_inode, NULL);
> +	inode_attach_wb(file_inode(nilfs->ns_sb->s_bdev_file), NULL);
>  
>  	err = nilfs_segctor_start_thread(nilfs->ns_writer);
>  	if (unlikely(err))
> -- 
> 2.39.2
>
Christoph Hellwig March 17, 2024, 9:24 p.m. UTC | #2
Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index aa5290cb7467..2940e8ef88f4 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -2790,7 +2790,7 @@  int nilfs_attach_log_writer(struct super_block *sb, struct nilfs_root *root)
 	if (!nilfs->ns_writer)
 		return -ENOMEM;
 
-	inode_attach_wb(nilfs->ns_bdev->bd_inode, NULL);
+	inode_attach_wb(file_inode(nilfs->ns_sb->s_bdev_file), NULL);
 
 	err = nilfs_segctor_start_thread(nilfs->ns_writer);
 	if (unlikely(err))