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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Thu, 13 Apr 2017 20:16:30 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r316782 - head/sys/fs/nfsclient
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Author: rmacklem
Date: Thu Apr 13 20:16:29 2017
New Revision: 316782
URL: https://svnweb.freebsd.org/changeset/base/316782

Log:
  Add call to svcpool_close() for the NFSv4 callback pool (svcpool_nfscbd).
  
  A function called svcpool_close() was added to the server side krpc by
  r313735, so that a pool could be closed without destroying the data structures.
  This little patch adds a call to it for the callback pool (svcpool_nfscbd),
  so that the nfscbd daemon can be killed/restarted and continue to work
  correctly.
  
  MFC after:	2 weeks

Modified:
  head/sys/fs/nfsclient/nfs_clkrpc.c

Modified: head/sys/fs/nfsclient/nfs_clkrpc.c
==============================================================================
--- head/sys/fs/nfsclient/nfs_clkrpc.c	Thu Apr 13 19:48:45 2017	(r316781)
+++ head/sys/fs/nfsclient/nfs_clkrpc.c	Thu Apr 13 20:16:29 2017	(r316782)
@@ -278,6 +278,11 @@ nfsrvd_cbinit(int terminating)
 		while (nfs_numnfscbd > 0)
 			msleep(&nfs_numnfscbd, NFSDLOCKMUTEXPTR, PZERO, 
 			    "nfscbdt", 0);
+		if (nfscbd_pool != NULL) {
+			NFSD_UNLOCK();
+			svcpool_close(nfscbd_pool);
+			NFSD_LOCK();
+		}
 	}
 
 	if (nfscbd_pool == NULL) {