David Cantrell wrote: > On 05/13/2009 06:48 PM, Eric Sandeen wrote: >> David Cantrell wrote: >>> For ext3 and ext4 filesystems, add the journal size to the value we get >>> from statvfs() and use that total for the existing size of the >>> filesystem. Existing size is meant to be the amount of space occupied >>> by the filesystem on the volume, for journaled filesystems that means >>> there is a disconnect between what we get from statvfs() and how much >>> space the filesystem consumes on the volume. >> FWIW, I don't think stat f_blocks + journal size adds up quite right >> either :( I don't know why. I didn't write it ;) >> >> I was talking to dlehman on irc tonight ... If you really want to know >> the total blocks under the filesystem, for ext$FOO you can do: >> >> # dumpe2fs -h $DEVICE | grep "Block" >> dumpe2fs 1.41.4 (27-Jan-2009) >> Block count: 65536 >> Block size: 1024 >> Blocks per group: 8192 >> >> for xfs you can do: >> >> # xfs_db $DEVICE -c "sb 0" -c "p dblocks" -c "p blocksize" >> dblocks = 65536 >> blocksize = 1024 >> >> and those should be accurate for your purposes, if you want to know the >> total nr of blocks that are under the filesystem's purview... > > And this is what I originally did back in March, then you suggested > using statfs() over reading these fields. I did change the patch and we > liked that a lot more than doing this, but I did read these fields > initially. oh :( I suck. Sorry... Perhaps I misunderstood what you wanted it for ... I hope. Sorry for the runaround. -Eric > See these threads: > > https://www.redhat.com/archives/anaconda-devel-list/2009-March/msg00503.html > https://www.redhat.com/archives/anaconda-devel-list/2009-March/msg00504.html > https://www.redhat.com/archives/anaconda-devel-list/2009-March/msg00505.html > https://www.redhat.com/archives/anaconda-devel-list/2009-March/msg00506.html > > That's patches to do what you described above for ext2, ext3, ext4, > ntfs, and jfs. And can add xfs with the information you just provided. > > I'll update these patches to apply to the current code base. > _______________________________________________ Anaconda-devel-list mailing list Anaconda-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/anaconda-devel-list
