Messages in this thread |  | | Date | Wed, 6 Jul 2005 13:19:17 -0700 | From | Greg KH <> | Subject | Re: [PATCH] add securityfs for all LSMs to use |
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On Wed, Jul 06, 2005 at 10:12:59PM +0200, Ingo Oeser wrote: > Hi Greg, > > On Wednesday 06 July 2005 10:17, Greg KH wrote: > > + * TODO: > > + * I think I can get rid of these default_file_ops, but not quite sure... > > + */ > > +static ssize_t default_read_file(struct file *file, char __user *buf, > > + size_t count, loff_t *ppos) > > +{ > > + return 0; > > +} > > + > > +static ssize_t default_write_file(struct file *file, const char __user *buf, > > + size_t count, loff_t *ppos) > > +{ > > + return count; > > +} > > Yes, you can get rid of both, if you move read_null and write_null from > drivers/char/mem.c to fs/libfs.c and export them.
That's not really necessary.
> But for what do you need a successful dummy read/write?
I don't. I need a file_ops structure to give to my newly created dentry before I assign the one passed in by the caller to it. That's all. I could probably just pass it up the function stack to do it properly, haven't really looked into it...
thanks,
greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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