From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f67.google.com ([74.125.83.67]:36623 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760270AbdACSW6 (ORCPT ); Tue, 3 Jan 2017 13:22:58 -0500 Received: by mail-pg0-f67.google.com with SMTP id n5so34265160pgh.3 for ; Tue, 03 Jan 2017 10:22:57 -0800 (PST) From: Nicholas Piggin To: Andrew Morton Cc: Nicholas Piggin , linux-nfs@vger.kernel.org, linux-mm@kvack.org, NeilBrown , Trond Myklebust Subject: [PATCH 1/2] nfs: no PG_private waiters remain, remove waker Date: Wed, 4 Jan 2017 04:22:33 +1000 Message-Id: <20170103182234.30141-2-npiggin@gmail.com> In-Reply-To: <20170103182234.30141-1-npiggin@gmail.com> References: <20170103182234.30141-1-npiggin@gmail.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Since commit 4f52b6bb ("NFS: Don't call COMMIT in ->releasepage()"), no tasks wait on PagePrivate, so the wake introduced in commit 95905446 ("NFS: avoid deadlocks with loop-back mounted NFS filesystems.") can be removed. Signed-off-by: Nicholas Piggin --- fs/nfs/write.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/nfs/write.c b/fs/nfs/write.c index b00d53d13d47..006068526542 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -728,8 +728,6 @@ static void nfs_inode_remove_request(struct nfs_page *req) if (likely(head->wb_page && !PageSwapCache(head->wb_page))) { set_page_private(head->wb_page, 0); ClearPagePrivate(head->wb_page); - smp_mb__after_atomic(); - wake_up_page(head->wb_page, PG_private); clear_bit(PG_MAPPED, &head->wb_flags); } nfsi->nrequests--; -- 2.11.0