Re: [PATCH,STABLE 2.6.29 14/18] ext4: Ignore i_file_acl_high unless EXT4_FEATURE_INCOMPAT_64BIT is present

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On Jun 02, 2009  08:07 -0400, Theodore Ts'o wrote:
> Don't try to look at i_file_acl_high unless the INCOMPAT_64BIT feature
> bit is set.  The field is normally zero, but older versions of e2fsck
> didn't automatically check to make sure of this, so in the spirit of
> "be liberal in what you accept", don't look at i_file_acl_high unless
> we are using a 64-bit filesystem.

Should we do the same with other "_hi" fields in the inode?  There are
many cases like this for EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT
in super.c.  Does e2fsck check and zero those already?

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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