Brad Boyer <flar@xxxxxxxxxxxxx> writes:
> On Thu, Feb 18, 2010 at 07:45:25PM +0300, Dmitry Monakhov wrote:
>> Some times it is useful to export non standard attributes
>> to generic vfs layer, but it is too expansive to store it
>> inside vfs inode. Let's introduce generic interface for this
>> purpose. One may declare an attribute and filesystem provides
>> access to it, if necessery.
>>
>> Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
>> ---
>> @@ -1576,7 +1578,10 @@ struct super_operations {
>> #endif
>> int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
>> };
>> -
>> +struct aux_attributes
>> +{
>> + int supported;
>> +};
>> /*
>> * Inode state bits. Protected by inode_lock.
>> *
>> --
>
> What is the intended use of the supported field? You don't appear to use
> it anywhere other than to initialize it to 1 in the one instance where
> you create one of them.
Actually i've use this only as a place holder, otherwise structure
will be empty.
>
> Brad Boyer
> flar@xxxxxxxxxxxxx
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