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Date:      Fri, 7 Oct 2016 18:56:20 +0000 (UTC)
From:      Andriy Gapon <avg@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: r306818 - stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Message-ID:  <201610071856.u97IuKpf066980@repo.freebsd.org>
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Author: avg
Date: Fri Oct  7 18:56:20 2016
New Revision: 306818
URL: https://svnweb.freebsd.org/changeset/base/306818

Log:
  MFC r306292: fix vnode lock assertion for extended attributes directory

Modified:
  stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
==============================================================================
--- stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c	Fri Oct  7 18:53:28 2016	(r306817)
+++ stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c	Fri Oct  7 18:56:20 2016	(r306818)
@@ -3197,6 +3197,11 @@ zfs_setattr(vnode_t *vp, vattr_t *vap, i
 
 		if (err == 0 && xattr_obj) {
 			err = zfs_zget(zp->z_zfsvfs, xattr_obj, &attrzp);
+			if (err == 0) {
+				err = vn_lock(ZTOV(attrzp), LK_EXCLUSIVE);
+				if (err != 0)
+					vrele(ZTOV(attrzp));
+			}
 			if (err)
 				goto out2;
 		}
@@ -3206,7 +3211,7 @@ zfs_setattr(vnode_t *vp, vattr_t *vap, i
 			if (new_uid != zp->z_uid &&
 			    zfs_fuid_overquota(zfsvfs, B_FALSE, new_uid)) {
 				if (attrzp)
-					vrele(ZTOV(attrzp));
+					vput(ZTOV(attrzp));
 				err = SET_ERROR(EDQUOT);
 				goto out2;
 			}
@@ -3218,7 +3223,7 @@ zfs_setattr(vnode_t *vp, vattr_t *vap, i
 			if (new_gid != zp->z_gid &&
 			    zfs_fuid_overquota(zfsvfs, B_TRUE, new_gid)) {
 				if (attrzp)
-					vrele(ZTOV(attrzp));
+					vput(ZTOV(attrzp));
 				err = SET_ERROR(EDQUOT);
 				goto out2;
 			}
@@ -3449,7 +3454,7 @@ out:
 	}
 
 	if (attrzp)
-		vrele(ZTOV(attrzp));
+		vput(ZTOV(attrzp));
 
 	if (aclp)
 		zfs_acl_free(aclp);

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