Re: [PATCH 2/5] fat: add fat_fallocate operation

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2013/10/27, OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>:
> Namjae Jeon <linkinjeon@xxxxxxxxx> writes:
>
>> diff --git a/fs/fat/inode.c b/fs/fat/inode.c
>> index 578a5db..2211489 100644
>> --- a/fs/fat/inode.c
>> +++ b/fs/fat/inode.c
>> @@ -491,6 +491,13 @@ EXPORT_SYMBOL_GPL(fat_build_inode);
>>
>>  static void fat_evict_inode(struct inode *inode)
>>  {
>> +	struct super_block *sb = inode->i_sb;
>> +
>> +	/* Release unwritten fallocated blocks on file release. */
>> +	if (round_up(inode->i_size, sb->s_blocksize) <
>> +	    MSDOS_I(inode)->i_disksize && inode->i_nlink != 0)
>> +		fat_truncate_blocks(inode, inode->i_size);
>> +
>>  	truncate_inode_pages(&inode->i_data, 0);
>>  	if (!inode->i_nlink) {
>>  		inode->i_size = 0;
>
> This would be better to move after truncate_inode_pages(). And as part
> of "else".
>
> 	if (!inode->i_nlink) {
>         	...
>         } else {
>         	/* here */
>         }
Okay, I will change.
>
> And inode->i_size should be ->mmu_private?
Sorry, I don't understand your question yet...
Could you elaborate more ?

Thanks.
> --
> OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
>
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