Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: Ext2 Directory Index - File Structure | Date | Mon, 16 Apr 2001 12:41:22 +0200 |
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Andreas, you wrote: > Daniel, you write: > > Andreas, you wrote: > > > We should go with "EXT2_FEATURE_COMPAT_DIR_INDEX 0x0008" > > > because the on-disk layout is 100% compatible with older kernels, so > > > no reason to force read-only for those systems. I'm guessing Ted had > > > put RO_COMPAT_BTREE_DIR in there in anticipation, but it was never used. > > > > By the way, did you mean: > > > > #define EXT2_FEATURE_COMPAT_DIR_INDEX 0x0002 > > > > since there is only one other COMPAT feature currently defined? > > Quick note - you need to use 0x0008 or higher (Ted is the authority on > this). The kernel ext2_fs.h is out of date compared to the one in e2fsprogs. > The EXT3_FEATURE_COMPAT_HAS_JOURNAL and EXT2_FEATURE_COMPAT_IMAGIC_INODES > is missing from the kernel header.
Since this could mess up somebody's superblock, albiet in a minor way, I uploaded the correction right away without changing the patch name.
-- Daniel
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