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On 20/02/2024 08:29, Christoph Hellwig wrote:
>> +#define BDEV_STATX_SUPPORTED_MASK (STATX_DIOALIGN | STATX_WRITE_ATOMIC)
> 
>> +	if (!(request_mask & BDEV_STATX_SUPPORTED_MASK))
>> +		return;
> 
> BDEV_STATX_SUPPORTED_MASK is misleading here.  bdevs support a lot more
> fields, these are just the ones needing special attention.  I'd do away
> with the extra define and just open code it.

ok, fine

> 
>> +	/* If this is a block device inode, override the filesystem
>> +	 * attributes with the block device specific parameters
>> +	 * that need to be obtained from the bdev backing inode
>> +	 */
> 
> This is not the normal kernel multi-line comment format.
> 

will fix

>> +	if (S_ISBLK(d_backing_inode(path.dentry)->i_mode))
>> +		bdev_statx(path.dentry, stat, request_mask);
> 
> I know I touched this last, but does anyone remember why we have
> various random fixups in vfs_statx and not in vfs_getattr_nosec, where
> they we have more of them and also the inode at hand?