On Fri, Aug 10, 2012 at 4:53 AM, Victor Meyerson <calculuspeng...@yahoo.com> wrote: > I tried that patch, although I had to edit a slightly different line as > dio_bio_alloc was near line 392 instead of 349 in the version of > fs/direct-io.c in my tree. I still got different checksums between the two > files and even different checksums from my earlier attempts. > > I am not sure if this helps, but Ralf asked if I can try a different page > size to see if this problem occurs. I originally had CONFIG_PAGE_SIZE_4KB=y > and changed it to CONFIG_PAGE_SIZE_16KB=y (via menuconfig). Having a page > size of 16KB (and the above patch not applied) made the checksum on the files > match each other and match the file made from the working kernel. >
Thanks for tests, Victor. Please elaborate on the role of page size in this case, Ralf. Good Weekend Hillf -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/