On Monday 23 March 2009, Kay Sievers wrote: > On Mon, Mar 23, 2009 at 21:39, David Brownell <david-b@xxxxxxxxxxx> wrote: > > On Monday 23 March 2009, Kay Sievers wrote: > >> > OTP data in lot of the NAND chips I have here exceeds the sysfs 4KB > >> > binary file limit; 20KB commonly, 128KB for OneNand. > >> > >> There is no such limit for binary sysfs files. We have many large file > >> there, which map such sizes. > > > > Odd, just the other day I created one with actual size of 8KB. > > But "ls -l" showed 4K. > > There are larger files: Could be. But still ... I set the size of the attribute to 8K, but "ls" reported only 4K. > > Something seems odd with binary sysfs files in general. I've > > observed something zapping size down to zero after userspace > > did some oddball reads ... of the "past EOF" variety, ISTR. > > Hmm, never seen such a thing, but the logic is implemented per-file, > so it might be something that should be fixed in the driver that > created the file. All those drivers do is respond to read/write calls, and set the size statically. I've seen both those failures in multiple drivers, FWIW. - Dave -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
