Commit b0ac1bd2 authored Dec 28, 2015 by Trond Myklebust

NFS: Background flush should not be low priority



Background flush is needed in order to satisfy the global page limits.
Don't subvert by reducing the priority.
This should also address a write starvation issue that was reported by
Neil Brown.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

parent 1a093ceb

fs/nfs/write.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -247,8 +247,6 @@ static int wb_priority(struct writeback_control *wbc)
		return FLUSH_HIGHPRI \| FLUSH_STABLE;
		if (wbc->sync_mode == WB_SYNC_ALL)
		ret = FLUSH_COND_STABLE;
		if (wbc->for_kupdate \|\| wbc->for_background)
		ret \|= FLUSH_LOWPRI;
		return ret;
		}