Hi Andreas, Thanks a bunch for your quick response! I checked the command and the output is terms of filesytem block numbers [mine seems to have a 4K block size]. I can convert this into LBAs in my perl script. Thanks again. Regards, -Aravind. --- Andreas Dilger <adilger@xxxxxxxxxxxxx> wrote: > On Apr 16, 2007 11:17 -0700, Aravindan Raghuveer > wrote: > > I need to write a user space tool that can dump > > logical block addresses used by every file in a > ext3 > > file system. For example, if file foo uses LBAs > 2,3 > > and file bar uses LBAs 100,102,156, then the > ouptut > > should read: > > > > FILENAME LBAs > > foo 2, 3 > > bar 100,102,156 > > > > Is there a tool that exists that can do this? If > not, > > what would be a good strategy to write this tool. > I am > > learning filesystem programming and would really > > appreciate any pointers. > > "debugfs -c -R 'stat /path/to/file' /dev/XXX" > reports, among other things > the blocks used by that file. > > Cheers, Andreas > -- > Andreas Dilger > Principal Software Engineer > Cluster File Systems, Inc. > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users
