Messages in this thread | | | Date | Sat, 28 Sep 2002 11:27:49 -0600 | From | Andreas Dilger <> | Subject | Re: [Ext2-devel] Re: [BK PATCH] Add ext3 indexed directory (htree) support |
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On Sep 28, 2002 10:13 -0400, Theodore Ts'o wrote: > The nature of the corruption is that a directory entry of size 8 > (which is enough room for a zero-length name) is left in the > directory. This is harmless, but it should never happen normally, and > so the ext3 sanity-checking code flags it as an error. With this > patch, e2fsck is much smarter about salvaging corrupt directories, and > so it can do so without causing any directory entries to be lost. > (This corrupted, too-small directory entry appears at the beginning of > the directory block, which is another reason why I strongly suspect > the dx_split code.)
One idea I just had but don't have time to investigate (babysitting both kids today) is if the do_split() code is creating a hash entry for unused dir entries (i.e. inode == 0 or name_len == 0). If that is the case, then it could explain the presence of this short entry.
Cheers, Andreas -- Andreas Dilger http://www-mddsp.enel.ucalgary.ca/People/adilger/ http://sourceforge.net/projects/ext2resize/
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