On Fri, 2016-12-16 at 19:59 +0530, Tabrez khan wrote: > Remove unnecessary braces {} for single while statement. Your patch is fine Tabrez, but to the lustre folk: > diff --git a/drivers/staging/lustre/lustre/obdclass/cl_io.c b/drivers/staging/lustre/lustre/obdclass/cl_io.c [] > @@ -1371,9 +1371,9 @@ int cl_sync_io_wait(const struct lu_env *env, struct cl_sync_io *anchor, LASSERT(atomic_read(&anchor->csi_sync_nr) == 0); /* wait until cl_sync_io_note() has done wakeup */ - while (unlikely(atomic_read(&anchor->csi_barrier) != 0)) { + while (unlikely(atomic_read(&anchor->csi_barrier) != 0)) cpu_relax(); - } + What if the wakeup never occurs/succeeds? Should there be a timeout? _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel