phk 25e67656df Don't hold an extra reference to vnodes. Devfs vnodes are sufficiently ... cheap to setup that it doesn't really matter that we recycle device vnodes at kleenex speed. Implement first cut try at killing cloned devices when they are not needed anymore. For now only the bpf driver is involved in this experiment. Cloned devices can set the SI_CHEAPCLONE flag which allows us to destroy_dev() it when the vcount() drops to zero and the vnode is reclaimed. For now it's a requirement that the driver doesn't keep persistent state from close to (re)open. Some whitespace changes.		2000-10-09 14:18:07 +00:00
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devfs_devs.c	Don't hold an extra reference to vnodes. Devfs vnodes are sufficiently	2000-10-09 14:18:07 +00:00
devfs_vfsops.c	Don't hold an extra reference to vnodes. Devfs vnodes are sufficiently	2000-10-09 14:18:07 +00:00
devfs_vnops.c	Don't hold an extra reference to vnodes. Devfs vnodes are sufficiently	2000-10-09 14:18:07 +00:00
devfs.h	Add refcounts to the "global" DEVFS inode slots, this allows us	2000-09-06 11:26:43 +00:00