Assuming you really mean inode (i.e. structure describing a file in the filesystem, stored on the disk) and not vnode (structure in memory, representing inode being used) - for UFS, it's defined in sys/ufs/ufs/inode.h. An obvious problem with modifying it would be losing compatibility with unmodified version - your modified code won't be able to mount normal UFS filesystems.
Last edited by DutchDaemon; November 2nd, 2011 at 01:12.
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