On Tue, 2010-09-14 at 20:56 +1000, Dave Chinner wrote: > From: Dave Chinner <dchinner@xxxxxxxxxx> > > When commiting a transaction, we do a lock CIL state lock round trip > on every single log vector we insert into the CIL. This is resulting > in the lock being as hot as the inode and dcache locks on 8-way > create workloads. Rework the insertion loops to bring the number > of lock round trips to one per transaction for log vectors, and one > more do the busy extents. > > Also change the allocation of the log vector buffer not to zero it > as we copy over the entire allocated buffer anyway. > Looks good. Reviewed-by: Alex Elder <aelder@xxxxxxx> > Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx> > --- > fs/xfs/xfs_log_cil.c | 116 +++++++++++++++++++++++++++++-------------------- > 1 files changed, 69 insertions(+), 47 deletions(-) _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs