nfsd: fsnotify on rmdir under nfsd/clients/

J. Bruce Fields · chucklever · commit 69afd267982e · 2020-03-19T11:33:42.000-04:00
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@kernel.org
Signed-off-by: J. Bruce Fields &lt;bfields@redhat.com&gt;
Signed-off-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
@@ -1333,6 +1333,7 @@ void nfsd_client_rmdir(struct dentry *dentry)
 	dget(dentry);
 	ret = simple_rmdir(dir, dentry);
 	WARN_ON_ONCE(ret);
+	fsnotify_rmdir(dir, dentry);
 	d_delete(dentry);
 	inode_unlock(dir);
 }

Original file line number	Diff line number	Diff line change
`@@ -1333,6 +1333,7 @@ void nfsd_client_rmdir(struct dentry *dentry)`
`1333`	`1333`	`dget(dentry);`
`1334`	`1334`	`ret = simple_rmdir(dir, dentry);`
`1335`	`1335`	`WARN_ON_ONCE(ret);`
	`1336`	`+ fsnotify_rmdir(dir, dentry);`
`1336`	`1337`	`d_delete(dentry);`
`1337`	`1338`	`inode_unlock(dir);`
`1338`	`1339`	`}`