Re: [PATCH 06/22] ocfs2: drop vmtruncate

[Marco Stornelli <marco.stornelli@gmail.com>]

Il 13/10/2012 18:19, Christoph Hellwig ha scritto:
>>   	if ((attr->ia_valid & ATTR_SIZE) &&
>>   	    attr->ia_size != i_size_read(inode)) {
>> -		status = vmtruncate(inode, attr->ia_size);
>> +		status = inode_newsize_ok(inode, attr->ia_size);
>>   		if (status) {
>>   			mlog_errno(status);
>>   			goto bail_commit;
>>   		}
>> +		truncate_setsize(inode, attr->ia_size);
>
> ocfs2 already calls inode_newsize_ok earlier during ocfs2_setattr,
> and there's an XXX comment just above the vmtruncate call about
> how ocfs2 hacks around this.  I suspect you just want a plain
> truncate_setsize here and remove the comment above it, but I'd
> like to have the ocfs2 folks confirm that.
>
>

Yep, I quite agree. truncate_setsize can be moved up into to the 
previous "if (size_change && attr->ia_size != i_size_read(inode))" where 
the truncate code does its work.