On Wed, Sep 15, 2010 at 02:24:21PM +0000, Attilio Rao wrote: > Author: attilio > Date: Wed Sep 15 14:24:21 2010 > New Revision: 212661 > URL: http://svn.freebsd.org/changeset/base/212661 > > Log: > Fix bogus busying mechanism from cdevsw callbacks: > - D_TRACKCLOSE may be used there as d_close() are expected to match up > d_open() calls VFS is not very good at properly calling VOP_CLOSE(). As example, premature vnode reclaim due to devfs unmount would cause VOP_CLOSE() to be called only once despite the number of opens being > 1.
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