http://bugzilla.kernel.org/show_bug.cgi?id=14936 --- Comment #7 from Rafael J. Wysocki <rjw@xxxxxxx> 2009-12-31 18:20:42 --- On Thursday 31 December 2009, tytso@xxxxxxx wrote: > On Wed, Dec 30, 2009 at 10:52:12PM +0100, Rafael J. Wysocki wrote: > > > I'm working on a fix, and have a proposed patch. See the thread on > > > linux-ext4 here: > > > > > > http://marc.info/?l=linux-kernel&m=126219515024315&w=2 > > > > > > This patch also fixes the dq_claim_space kerneloops problem as > > > well.... > > > > Thanks, I've added your patch to the Bugzilla entry. > > This patch has been merged to mainline. I'm working on improving > things so that we don't lose performance by unnecessarily forcing > delalloc blocks out to disk when the (wildly overestimated) number of > required metadata blocks approaches the user's remaining quota or > remaining free space on disk, but the fundamental fix is in mainline. > > (The performance hit was something I knew about when I pushed the > patch to Linus, but after discussing things with Eric Sandeen, we > figured that for users who were converting from ext3, which didn't > have delayed allocation support at all, even with the performance hit > when the user approached the quota limit, ext4 with delalloc+quota was > still better than ext3 --- and I wanted a fix in mainline ASAP. > Fortunately, it's not going to be that hard make the required metadata > much more accurate.) -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html