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block/ioctl: port blkdev_bszset() to file

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Link: https://lore.kernel.org/r/20240123-vfs-bdev-file-v2-2-adbd023e19cc@kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2024-01-23 14:26:19 +01:00
parent f3a608827d
commit e5ca9d3916
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 4 additions and 5 deletions
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9
block/ioctl.c
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@ -471,7 +471,7 @@ static int blkdev_bszset(struct block_device *bdev, blk_mode_t mode,
int __user *argp)
{
int ret, n;
struct bdev_handle *handle;
struct file *file;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
@ -483,12 +483,11 @@ static int blkdev_bszset(struct block_device *bdev, blk_mode_t mode,
if (mode & BLK_OPEN_EXCL)
return set_blocksize(bdev, n);
handle = bdev_open_by_dev(bdev->bd_dev, mode, &bdev, NULL);
if (IS_ERR(handle))
file = bdev_file_open_by_dev(bdev->bd_dev, mode, &bdev, NULL);
if (IS_ERR(file))
return -EBUSY;
ret = set_blocksize(bdev, n);
bdev_release(handle);
fput(file);
return ret;
}