Commit 600424e3 authored Jan 04, 2017 by Nicholas Piggin Committed by Anna Schumaker Feb 08, 2017

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 <npiggin@gmail.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

parent 920b4530

fs/nfs/write.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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--;

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