linux-kernel - Re: [PATCH 3/5] fat: zero out seek range on _fat_get

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Message-ID: <87sivmygnq.fsf@devron.myhome.or.jp>
Date:	Sun, 27 Oct 2013 22:42:01 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	Namjae Jeon <linkinjeon@...il.com>
Cc:	akpm@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, a.sahrawat@...sung.com,
	Namjae Jeon <namjae.jeon@...sung.com>
Subject: Re: [PATCH 3/5] fat: zero out seek range on _fat_get_block

Namjae Jeon <linkinjeon@...il.com> writes:

> +		last_block = (MSDOS_I(inode)->mmu_private + (blocksize - 1))
> +			>> blocksize_bits;
> +		disk_block = (MSDOS_I(inode)->i_disksize + (blocksize - 1))
> +			>> blocksize_bits;
> +		if (iblock >= last_block && iblock <= disk_block) {
> +			MSDOS_I(inode)->mmu_private +=
> +				*max_blocks << blocksize_bits;

Hm, mmu_private is not increased by write_begin()?
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
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