On Tue, 15 May 2001, James Simmons wrote: > What I wish was done was the very first ioctl call was a generic ioctl > call to pass driver specific data. Basically you have something like this: > > struct fb_driver_specific_data { > __u32 magic_identifier; > __u32 size_of_data_packet; > char *data_buffer; > } It's called write(2). magic_identifier: which file we are writing to. size_of_data_packet: length. data_buffer: buffer we write from. And if write() has too much overhead - we'd better fix _that_, because it's much more likely hotspot than ioctl ever will be. - 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/
- Re: LANANA: To Pending Device Number Registrants Alan Cox
- Re: LANANA: To Pending Device Number Registrants Alexander Viro
- Re: LANANA: To Pending Device Number Registrants Alan Cox
- Re: LANANA: To Pending Device Number Registrants Alexander Viro
- Re: LANANA: To Pending Device Number Registrants Alan Cox
- Re: LANANA: To Pending Device Number Registrants Linus Torvalds
- Re: LANANA: To Pending Device Number Registrants Alan Cox
- Re: LANANA: To Pending Device Number Registrants Linus Torvalds
- Re: LANANA: To Pending Device Number Registrants Alexander Viro
- Re: LANANA: To Pending Device Number Registrants James Simmons
- Re: LANANA: To Pending Device Number Registrants Alexander Viro
- Re: LANANA: To Pending Device Number Registrants James Simmons
- Re: LANANA: To Pending Device Number Registrants Alexander Viro
- Re: LANANA: To Pending Device Number Registrants James Simmons
- Re: LANANA: To Pending Device Number Registrants Ingo Oeser
- Re: LANANA: To Pending Device Number Registrants James Simmons
- Re: LANANA: To Pending Device Number Registrants Alexander Viro
- Re: LANANA: To Pending Device Number Registrants Helge Hafting
- Re: LANANA: To Pending Device Number Registrants James Simmons
- Re: LANANA: To Pending Device Number Registrants Chip Salzenberg
- Re: LANANA: To Pending Device Number Registrants James Simmons