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Date:	Thu, 02 Dec 2010 15:07:27 +0900
From:	Kazuya Mio <k-mio@...jp.nec.com>
To:	Andreas Dilger <adilger@...ger.ca>
CC:	ext4 <linux-ext4@...r.kernel.org>, Theodore Tso <tytso@....edu>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [RFC][PATCH V3 1/4] ext4: add EXT4_IOC_CONTROL_PA to create/discard
 inode PA

2010/12/01 19:14, Andreas Dilger wrote:
> Is the comment here wrong, or do I misunderstand that there is a 64-bit offset for the file, and only a 32-bit offset for the disk?  It doesn't make sense to create a new API that only has a 32-bit offset for the disk, since ext4 is nearly supporting 64-bit filesystem blocks.

Oops! Thank you for letting me know. I will fix the comments as follows:

struct ext4_prealloc_info {
	__u64 pi_pstart;	/* physical offset for the start of the PA from
				 * the beginning of the disk (in/out) */
	__u32 pi_lstart;	/* logical offset for the start of the PA from
				 * the beginning of the file (in/out) */

Regards,
Kazuya Mio
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