Re: [PATCH ver2] exofs: New truncate sequence

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On 06/01/2010 01:43 PM, Christoph Hellwig wrote:
> On Tue, Jun 01, 2010 at 01:28:50PM +0300, Boaz Harrosh wrote:
>> +	if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
>> +	    S_ISLNK(inode->i_mode)))
>> +		return -EINVAL;
>>  	if (exofs_inode_is_fast_symlink(inode))
>> -		return;
>> +		return -EINVAL;
> 
> do_sys_truncate already makes sure ATTR_SIZE changes only happen on
> ISREG files. 
> 

I copy/pasted this from ext2_setsize. (Would you remove it from
there as well?)

>>  	if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
>> -		return;
> 
> Same for these - IS_APPEND directly and IS_IMMUTABLE via
> inode_permission().
> 
>> +	oldsize = inode->i_size;
>> +	i_size_write(inode, newsize);
>> +	truncate_pagecache(inode, oldsize, newsize);
> 
> At this point you can probably just inline this in exofs_setattr.
> Especially as the lines above will be replaced with a single
> function call in my next batch.
> 


OK, I'm re-spinning minus these and inlined. I'll want to
re-run a few tests just to make sure.

Thanks
Boaz

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