linux-ext4 - Re: [RFC] [patch 2/2] i_version update

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Message-ID: <20070514202148.GE5286@schatzie.adilger.int>
Date:	Mon, 14 May 2007 14:21:48 -0600
From:	Andreas Dilger <adilger@...sterfs.com>
To:	Cordenner jean noel <jean-noel.cordenner@...l.net>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [RFC] [patch 2/2] i_version update - ext4 part

On May 14, 2007  13:05 +0200, Cordenner jean noel wrote:
> @@ -331,12 +331,13 @@
>  	} osd2;				/* OS dependent 2 */
>  	__le16	i_extra_isize;
>  	__le16	i_pad1;
> +	__le32	i_disk_version_hi;

No, this is not correct.  There are already several other fields here
(nanosecond ctime, mtime, atime, crtime (creation time)) so you need
to use the correct reserved field for this.

	__u16	i_extra_isize;
	__u16	i_pad1;
	__u32	i_ctime_extra;	/* extra Change time (nsec << 2 | epoch) */
	__u32	i_mtime_extra;	/* extra Modification time (nsec << 2 | epoch)*/
	__u32	i_atime_extra;	/* extra Access time (nsec << 2 | epoch) */
	__u32	i_crtime;	/* File creation time */
	__u32	i_crtime_extra;	/* extra File creation time (nsec << 2 |epoch)*/

Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.

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