The libhd can be found here:
ftp://ftp.suse.com/pub/suse/i386/8.1/suse/src/hwinfo-5.39-2.src.rpm
We use a somewhat older version, but that probably doesn't matter.
I've compiled the module, and our install software ran just fine.
Repartitioning the drive was no problem. Using the driver on a normal
system was no problem either (never was).
-- John van der Kamp, ConnecTUXOn Thu, 17 Apr 2003, Dave Olien wrote:
> > I've been looking over the kernel's code paths that call a block driver's > release method. In linux 2.4 and 2.5, it looks like nowhere does the > kernel EVER call the release method with a non-NULL file descriptor. > The file pointer argument to the release method seems to be a left-over > from linux 2.2. > > I think the DAC960_Open and DAC960_Release methods in 2.4 and 2.5 > are more broken than it first appears. > > The SPECIAL file descriptor that you get with O_NONBLOCK > is a BAD idea. But we're probably stuck because applications use it. > Could you pass me a URL to the libhd library you're using? I'd like > to look it over. What behavior does it expect with the O_NBLOCK flag? > > I think what I'll do is assert that there can be ONLY ONE such SPECIAL > file descriptor open at a time. At Open time, we'll save a pointer to > the inode for this special file descriptor in a module-local variable. > If at open time, we discover there is already such an open file descriptor, > we'll refuse to open another one. > > In the release function, we'll compare the inode pointer passed in with > the saved inode pointer, and do the SPECIAL close case, and then zero > out the saved inode pointer. This isn't a completely reliable solution. > But, it's the best I think of for now. > > A patch for 2.4 is attached at the end of this mail. I'd appreciate it if > you could give it a try and let me know how it works. > - 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/
This archive was generated by hypermail 2b29 : Wed Apr 23 2003 - 22:00:23 EST