On 09/12/2012 03:57 PM, Rob Herring wrote: > On 09/12/2012 05:49 PM, Tom Rini wrote: >> On Mon, Aug 13, 2012 at 01:28:19PM -0500, Rob Herring wrote: >>> On 08/13/2012 06:52 AM, Wolfgang Denk wrote: >>>> Dear Rob Herring, >>>> >>>> In message <50244d5a.3080...@gmail.com> you wrote: >>>>> >>>>> I reported already that the prior version that ext4 has issues with >>>>> sub-directories. I don't think that has been addressed in V5. Some >>>>> directories show up fine and some don't. So it's kind of random whether >>>>> u-boot can read a /boot directory. This was after full ubuntu installs. >>>>> I'd guess a simple test with a couple of files and directories will not >>>>> show the problem. >>>> >>>> We really need a test case here. In my (certainly not very extensive) >>>> tests I didn't see such a problem. >>>> >>>> Can you please describe what failed for you? >>>> >>> >>> I do an ubuntu install to a single ext4 fs and then ext2ls gives this: >> [snip] >>> The problem is in the directories with sizes of 0. It does seem to be >>> directories with higher blkno's. Perhaps the lack of support for hash >>> table directory entries is a problem. Just guessing here as I don't know >>> much about ext4 structure. >>> >>> I haven't been able to produce a simple example just creating a bunch of >>> files and directories, so only the disk after an ubuntu install has the >>> problem. >> >> I took an Ubuntu install I had (for x86) that was on a USB drive, had >> been pretty extensively used, and was is ext4. I couldn't find any size >> 0 directories. Are you able to reproduce this problem on other >> hardware? Is the image in question NOT remountable as ext3 (extents is >> set, generated) ? My biggest concern is breakage among ext2/3 >> filesystems. Thanks! > > What size partition? It is also fine for me with a small 1.2GB > partition. I only see the problem with larger partitions (most of a > 250GB drive).
This is a 240G partition. > I was under the impression that ext4 is not mountable as ext3. You can go ext3->"ext4"->ext3, it's only when you have fsck rebuild and make use of extents, iirc, that it's no longer mountable as ext3. -- Tom _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
