Author: avg
Date: Tue Mar 27 11:34:34 2018
New Revision: 331612
URL: https://svnweb.freebsd.org/changeset/base/331612

Log:
  MFC r330974: MFV r330973: 9164 assert: newds == os->os_dsl_dataset
  
  PR:           225877

Modified:
  stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c
  stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_objset.h
  stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c       
Tue Mar 27 11:33:21 2018        (r331611)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c       
Tue Mar 27 11:34:34 2018        (r331612)
@@ -615,23 +615,21 @@ dmu_objset_rele(objset_t *os, void *tag)
  * same name so that it can be partially torn down and reconstructed.
  */
 void
-dmu_objset_refresh_ownership(objset_t *os, void *tag)
+dmu_objset_refresh_ownership(dsl_dataset_t *ds, dsl_dataset_t **newds,
+    void *tag)
 {
        dsl_pool_t *dp;
-       dsl_dataset_t *ds, *newds;
        char name[ZFS_MAX_DATASET_NAME_LEN];
 
-       ds = os->os_dsl_dataset;
        VERIFY3P(ds, !=, NULL);
        VERIFY3P(ds->ds_owner, ==, tag);
        VERIFY(dsl_dataset_long_held(ds));
 
        dsl_dataset_name(ds, name);
-       dp = dmu_objset_pool(os);
+       dp = ds->ds_dir->dd_pool;
        dsl_pool_config_enter(dp, FTAG);
-       dmu_objset_disown(os, tag);
-       VERIFY0(dsl_dataset_own(dp, name, tag, &newds));
-       VERIFY3P(newds, ==, os->os_dsl_dataset);
+       dsl_dataset_disown(ds, tag);
+       VERIFY0(dsl_dataset_own(dp, name, tag, newds));
        dsl_pool_config_exit(dp, FTAG);
 }
 

Modified: 
stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_objset.h
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_objset.h   
Tue Mar 27 11:33:21 2018        (r331611)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_objset.h   
Tue Mar 27 11:34:34 2018        (r331612)
@@ -149,7 +149,8 @@ int dmu_objset_own(const char *name, dmu_objset_type_t
     boolean_t readonly, void *tag, objset_t **osp);
 int dmu_objset_own_obj(struct dsl_pool *dp, uint64_t obj,
     dmu_objset_type_t type, boolean_t readonly, void *tag, objset_t **osp);
-void dmu_objset_refresh_ownership(objset_t *os, void *tag);
+void dmu_objset_refresh_ownership(struct dsl_dataset *ds,
+    struct dsl_dataset **newds, void *tag);
 void dmu_objset_rele(objset_t *os, void *tag);
 void dmu_objset_disown(objset_t *os, void *tag);
 int dmu_objset_from_ds(struct dsl_dataset *ds, objset_t **osp);

Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c        
Tue Mar 27 11:33:21 2018        (r331611)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c        
Tue Mar 27 11:34:34 2018        (r331612)
@@ -5007,14 +5007,14 @@ zfs_ioc_userspace_upgrade(zfs_cmd_t *zc)
                         * objset needs to be closed & reopened (to grow the
                         * objset_phys_t).  Suspend/resume the fs will do that.
                         */
-                       dsl_dataset_t *ds;
+                       dsl_dataset_t *ds, *newds;
 
                        ds = dmu_objset_ds(zfsvfs->z_os);
                        error = zfs_suspend_fs(zfsvfs);
                        if (error == 0) {
-                               dmu_objset_refresh_ownership(zfsvfs->z_os,
+                               dmu_objset_refresh_ownership(ds, &newds,
                                    zfsvfs);
-                               error = zfs_resume_fs(zfsvfs, ds);
+                               error = zfs_resume_fs(zfsvfs, newds);
                        }
                }
                if (error == 0)
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