From 600424e3d91be7c6c8c38b95db713983a6307efa Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Wed, 4 Jan 2017 04:22:33 +1000 Subject: [PATCH] nfs: no PG_private waiters remain, remove waker 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 Signed-off-by: Anna Schumaker --- fs/nfs/write.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/nfs/write.c b/fs/nfs/write.c index ad4219a41f25..e75b056f46f4 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