Thanks a lot Peter and Andreas for taking out time and going through fscops. We welcome all your suggestion. We will soon be uploading all the docs/sources on to the web. Stay tuned !!! Thanks, Again On Tue, Dec 23, 2008 at 1:35 PM, Andreas Dilger <adilger@xxxxxxx> wrote: > On Dec 23, 2008 10:07 +0530, Sandeep K Sinha wrote: >> I have a tool ready with unfolds a file system completely thrugh >> ioctl. You will just have to patch the kernel. >> And that also, its for ext2. > > It would be much more generic to use the FIEMAP ioctl, which has made > it into the 2.6.28 kernel. It will currently only dump the file data > and xattr blocks, but it is designed to be extensible to allow dumping > other kinds of inode metadata (e.g. indirect/index blocks, etc). > >> But its really verbose. > > There are patches to e2fsprogs to allow filefrag to call FIEMAP to dump > the file layout. They were posted to this list a few months ago, and > are scheduled for upstream inclusion. While they will be part of e2fsprogs, > the FIEMAP ioctl is a generic mechanism that is supported by ext2/3/4, > OCFS, and XFS, and hopefully more now that it is in the kernel. > >> You can have a look for the sources @ http://code.google.com/p/fscops/ >> We will be uploading the tool there soon. > > While the description of "What OHSM offer" sounds really good, I couldn't > find any code or description of what is actually implemented. Is this > a system that actually works, or is it only describing what you would like > OHSM to do? > > Cheers, Andreas > -- > Andreas Dilger > Sr. Staff Engineer, Lustre Group > Sun Microsystems of Canada, Inc. > > -- Regards, Sandeep. "To learn is to change. Education is a process that changes the learner." -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
