linux-ext4 - Re: [PATCH] Add i_version

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Message-Id: <1175550458.4333.13.camel@localhost.localdomain>
Date:	Mon, 02 Apr 2007 14:47:38 -0700
From:	Mingming Cao <cmm@...ibm.com>
To:	Kalpak Shah <kalpak@...sterfs.com>
Cc:	linux-ext4 <linux-ext4@...r.kernel.org>,
	Andreas Dilger <adilger@...sterfs.com>,
	TheodoreTso <tytso@....edu>,
	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>,
	Eric Sandeen <sandeen@...hat.com>
Subject: Re: [PATCH] Add i_version_hi for 64-bit version

On Sun, 2007-03-18 at 15:43 +0530, Kalpak Shah wrote:
> Hi,
> 
> This patch adds a 32-bit i_version_hi field to ext4_inode, which can be used for 64-bit inode versions. This field will store the higher 32 bits of the version, while Jean Noel's patch has added support to store the lower 32-bits in osd1.linux1.l_i_version.
> 
> Signed-off-by: Andreas Dilger <adilger@...sterfs.com>
> Signed-off-by: Kalpak Shah <kalpak@...sterfs.com>
> 
> Index: linux-2.6.20/include/linux/ext4_fs.h
> ===================================================================
> --- linux-2.6.20.orig/include/linux/ext4_fs.h
> +++ linux-2.6.20/include/linux/ext4_fs.h
> @@ -336,6 +336,7 @@ struct ext4_inode {
>         __le32  i_atime_extra;  /* extra Access time      (nsec << 2 | epoch) */
>         __le32  i_crtime;       /* File Creation time */
>         __le32  i_crtime_extra; /* extra File Creation time (nsec << 2 | epoch) */
> +       __u32   i_version_hi;   /* high 32 bits for 64-bit version */
>  };
> 

Any reason not using __le32 for the i_version_hi?


Thanks,
Mingming


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