hannken 3856acafe2 Update the file system copy-on-write handler.
- Instead of hooking the handler on the specdev of a mounted file system
  hook directly on the `struct mount'.

- Rename from `vn_cow_*' to `fscow_*' and move to `kern/vfs_trans.c'.  Use
  `mount_*specific' instead of clobbering `struct mount' or `struct specinfo'.

- Replace the hand-made reader/writer lock with a krwlock.

- Keep `vn_cow_*' functions and mark as obsolete.

- Welcome to NetBSD 4.99.32 - `struct specinfo' changed size.

Reviewed by: Jason Thorpe <thorpej@netbsd.org>
2007-10-07 13:38:53 +00:00
2007-10-02 09:48:08 +00:00
2007-10-06 04:04:18 +00:00
2007-09-21 10:51:02 +00:00
2007-09-28 09:12:49 +00:00
2007-10-06 02:55:56 +00:00
2007-10-07 12:43:19 +00:00
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