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

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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 */
        }

And inode->i_size should be ->mmu_private?
-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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