<dec f='src/src/sys/sys/vnode_if.h' l='186' type='int VOP_FDISCARD(struct vnode * , __off_t , __off_t )'/>
<use f='src/src/sys/dev/dkwedge/dk.c' l='1515' u='c' c='dkdiscard'/>
<use f='src/src/sys/kern/vfs_syscalls.c' l='4798' u='c' c='sys_fdiscard'/>
<def f='src/src/sys/kern/vnode_if.c' l='480' ll='497' type='int VOP_FDISCARD(struct vnode * vp, __off_t pos, __off_t len)'/>
<use f='src/src/sys/ufs/ffs/ffs_alloc.c' l='1616' u='c' c='ffs_discardcb'/>
