Jörn Engel <[email protected]> writes:
> On Tue, 6 November 2007 17:11:44 -0800, Christoph Lameter wrote:
>>
>> +/*
>> + * Function for filesystems that embedd struct inode into their own
>> + * structures. The offset is the offset of the struct inode in the fs inode.
>> + */
>> +void *fs_get_inodes(struct kmem_cache *s, int nr, void **v,
>> + unsigned long offset)
>> +{
>> + int i;
>> +
>> + for (i = 0; i < nr; i++)
>> + v[i] += offset;
>> +
>> + return get_inodes(s, nr, v);
>> +}
>> +EXPORT_SYMBOL(fs_get_inodes);
>
> The fact that all pointers get changed makes me a bit uneasy:
> struct foo_inode v[20];
> ...
> fs_get_inodes(..., v, ...);
> ...
> v[0].foo_field = bar;
>
> No warning, but spectacular fireworks.
You'l get a warning that struct foo_inode * is incompatible with void **.
Andreas.
--
Andreas Schwab, SuSE Labs, [email protected]
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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