On Mon, Apr 01, 2013 at 02:44:36PM -0700, Greg Kroah-Hartman wrote: > > > I guess you are right, it will not. I guess we need to do what > > > character devices do and have an "intermediate" fops in order to protect > > > this. Would that work? > > > > You mean, with reassigning ->f_op in ->open()? That'll work, as long as > > we have exclusion between removal and fetching the sucker in primary > > ->open()... Where would you prefer to stash fops? > > Ick, that's not going to work as the current api just uses a fops and > debugfs doesn't keep anything else hanging around that referes to > something "before" that, like 'struct cdev' does.
Er? How about just sticking it into dentry->d_fsdata and letting debugfs_remove() zero that out? What am I missing here? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
