linux-kernel - [PATCH 5.6 212/254] nfsd: fsnotify on rmdir under nfsd/clients/

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Message-Id: <20200416131352.567001574@linuxfoundation.org>
Date:   Thu, 16 Apr 2020 15:25:01 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, stable@...nel.org,
        "J. Bruce Fields" <bfields@...hat.com>,
        Chuck Lever <chuck.lever@...cle.com>
Subject: [PATCH 5.6 212/254] nfsd: fsnotify on rmdir under nfsd/clients/

From: J. Bruce Fields <bfields@...hat.com>

commit 69afd267982e733a555fede4e85fe30329ed0588 upstream.

Userspace should be able to monitor nfsd/clients/ to see when clients
come and go, but we're failing to send fsnotify events.

Cc: stable@...nel.org
Signed-off-by: J. Bruce Fields <bfields@...hat.com>
Signed-off-by: Chuck Lever <chuck.lever@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/nfsd/nfsctl.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1333,6 +1333,7 @@ void nfsd_client_rmdir(struct dentry *de
 	dget(dentry);
 	ret = simple_rmdir(dir, dentry);
 	WARN_ON_ONCE(ret);
+	fsnotify_rmdir(dir, dentry);
 	d_delete(dentry);
 	inode_unlock(dir);
 }