On Jun 04, 2007 16:01 -0700, Mingming Cao wrote:
> Set the journals JBD2_FEATURE_INCOMPAT_64BIT on devices with more
> than 32bit block sizes during mount time. This ensure proper record
> lenth when writing to the journal.
>
> Signed-off-by: Mingming Cao <[EMAIL PROTECTED]>
> Signed-off-by: Jose R. Santos <[EMAIL PROTECTED]>
You can add Signed-off-by: Andreas Dilger <[EMAIL PROTECTED]> also.
> Index: linux-2.6.22-rc3/fs/ext4/super.c
> ===================================================================
> --- linux-2.6.22-rc3.orig/fs/ext4/super.c 2007-06-04 11:01:20.028360650
> -0500
> +++ linux-2.6.22-rc3/fs/ext4/super.c 2007-06-04 11:05:11.389126418 -0500
> @@ -1824,6 +1824,17 @@ static int ext4_fill_super (struct super
> goto failed_mount3;
> }
>
> + /*
> + * Make sure to set JBD2_FEATURE_INCOMPAT_64BIT on filesystems
> + * with more that 32-bit block counts
> + */
> + if (le32_to_cpu(es->s_blocks_count_hi) &&
> + !jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0,
> + JBD2_FEATURE_INCOMPAT_64BIT)){
> + printk(KERN_ERR "ext4: Failed to set 64-bit journal feature\n");
> + goto failed_mount4;
> + }
> +
> /* We have now updated the journal if required, so we can
> * validate the data journaling mode. */
> switch (test_opt(sb, DATA_FLAGS)) {
Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.
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