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Date:      Thu, 22 Sep 2016 09:14:04 +0000 (UTC)
From:      Konstantin Belousov <kib@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org
Subject:   svn commit: r306172 - stable/11/sys/ufs/ufs
Message-ID:  <201609220914.u8M9E4Ep019333@repo.freebsd.org>

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Author: kib
Date: Thu Sep 22 09:14:04 2016
New Revision: 306172
URL: https://svnweb.freebsd.org/changeset/base/306172

Log:
  MFC r305601:
  On rename, do not perform truncation of dirhash if the vnode truncation failed.

Modified:
  stable/11/sys/ufs/ufs/ufs_vnops.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/ufs/ufs/ufs_vnops.c
==============================================================================
--- stable/11/sys/ufs/ufs/ufs_vnops.c	Thu Sep 22 09:10:30 2016	(r306171)
+++ stable/11/sys/ufs/ufs/ufs_vnops.c	Thu Sep 22 09:14:04 2016	(r306172)
@@ -1529,11 +1529,21 @@ unlockout:
 	 * are no longer needed.
 	 */
 	if (error == 0 && endoff != 0) {
+		error = UFS_TRUNCATE(tdvp, endoff, IO_NORMAL | IO_SYNC,
+		    tcnp->cn_cred);
+		if (error != 0)
+			vn_printf(tdvp, "ufs_rename: failed to truncate "
+			    "err %d", error);
 #ifdef UFS_DIRHASH
-		if (tdp->i_dirhash != NULL)
+		else if (tdp->i_dirhash != NULL)
 			ufsdirhash_dirtrunc(tdp, endoff);
 #endif
-		UFS_TRUNCATE(tdvp, endoff, IO_NORMAL | IO_SYNC, tcnp->cn_cred);
+		/*
+		 * Even if the directory compaction failed, rename was
+		 * succesful.  Do not propagate a UFS_TRUNCATE() error
+		 * to the caller.
+		 */
+		error = 0;
 	}
 	if (error == 0 && tdp->i_flag & IN_NEEDSYNC)
 		error = VOP_FSYNC(tdvp, MNT_WAIT, td);



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