On Fri, Jan 14, 2011 at 10:29 AM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > On Fri, 14 Jan 2011, Nick Piggin wrote: > >> On Fri, Jan 14, 2011 at 3:41 AM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: >> > On Thu, 13 Jan 2011, J. R. Okajima wrote: >> >> Thomas Gleixner: >> >> > The dcache scalability work broke NFS root filesystems. >> >> Â Â Â ::: >> >> > Check for parent equal dentry and skip the nested lock to avoid the >> >> > deadlock. I'm sure this is the wrong fix, but at least it "works" :) >> >> >> >> With this patch, can you unmount it cleanly? >> >> It skips incrementing d_count for both dentries. >> >> Do we need at least one? >> > >> >> Yeah thanks everyone for reporting this. >> >> I have a fix for it in a slightly different way, and a couple of other reported >> bugs, which are going through stress testing now. > > Can you point us to the patches, so we can run our own set of > tests in paralell? > > Thanks, > > Â Â Â Âtglx I guess several mentionned patches are now in [1] and I am testing them against linux-next (next-20110114). - Sedat - [1] http://git.kernel.org/?p=linux/kernel/git/npiggin/linux-npiggin.git;a=shortlog;h=refs/heads/vfs-scale-working -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html