Chris Staub wrote: > On 11/06/2012 03:21 PM, Feuerbacher, Alan wrote: >> Bruce wrote: >> >>>> Why does one have to create a directory with that name before >>>> executing the "mount" command? >>> >>> The system has to know where to attach the data structures in the file >>> tree. You could create a script to do a 'mkdir -p <mountpoint>; >>> mount...', but that's overkill. >> >> Now I'm confused again. I thought that creating a directory actually writes >> data into a place on a hard disk that the kernel allocates for the >> directory. Something about inodes, if I remember right. But if that's so, >> and a filesystem is not yet mounted, where does that data get written? It >> looks like the cart is before the horse. >> >> Specifically, if you want to do "mount /dev/sda5 /mnt/lfs", but you have to >> create the directory "/mnt/lfs" BEFORE you do the mount, then where does the >> inode information about "/mnt/lfs" get written? I'm sure I'm missing some >> details. > > I don't see why there is any confusion here. Before you mount to a > directory, the mount point is...just a directory. I don't understand the > question about directory inodes with mounting - a created directory does > of course take up some space on the disk,
The only space used for a directory is an inode, 128 bytes, and that's pre-allocated when the fs is created. -- Bruce -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
