Poul-Henning Kamp 2820b2e762 Add support for device drivers which want to track all open/close ... operations. This allows a device driver better insight into what is going on that the current: proc1: open /dev/foo R/O devsw->open( R/O, proc1 ) proc2: open /dev/foo R/W devsw->open( R/W, proc2 ) proc2: close /* nothing, but device is really only R/O open */ proc1: close devsw->close( R/O, proc1 )		1999-08-13 16:29:27 +00:00
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spec_vnops.c	Add support for device drivers which want to track all open/close	1999-08-13 16:29:27 +00:00