Poul-Henning Kamp 0375c9f2b8 Add a new vnode op, VOP_FREEBLKS(), which filesystems can use to inform ... device drivers about sectors no longer in use. Device-drivers receive the call through d_strategy, if they have D_CANFREE in d_flags. This allows flash based devices to erase the sectors and avoid pointlessly carrying them around in compactions. Reviewed by: Kirk Mckusick, bde Sponsored by: M-Systems (www.m-sys.com)		1998-09-05 14:13:12 +00:00
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spec_vnops.c	Add a new vnode op, VOP_FREEBLKS(), which filesystems can use to inform	1998-09-05 14:13:12 +00:00