jhb f8a246b979 Make ftruncate a 'struct file' operation rather than a vnode operation. ... This makes it possible to support ftruncate() on non-vnode file types in the future. - 'struct fileops' grows a 'fo_truncate' method to handle an ftruncate() on a given file descriptor. - ftruncate() moves to kern/sys_generic.c and now just fetches a file object and invokes fo_truncate(). - The vnode-specific portions of ftruncate() move to vn_truncate() in vfs_vnops.c which implements fo_truncate() for vnode file types. - Non-vnode file types return EINVAL in their fo_truncate() method. Submitted by: rwatson		2008-01-07 20:05:19 +00:00
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streams.c	Make ftruncate a 'struct file' operation rather than a vnode operation.	2008-01-07 20:05:19 +00:00