Author: mm
Date: Tue Apr 23 06:28:35 2013
New Revision: 249787
URL: http://svnweb.freebsd.org/changeset/base/249787

Log:
  The zfs synctask code restructuring introduced a new bug that makes it
  impossible to set quota and reservation on pools lower than version 22.
  Problem has been reported and a solution discussed with vendor.
  
  Illumos ZFS issues:
    3739 cannot set zfs quota or reservation on pool version < 22
  
  Reviewed by:  Matthew Ahrens <mahr...@delphix.com>
  Reported by:  Steve Wills <swi...@freebsd.org>
  MFC after:    3 days

Modified:
  head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dir.c
  head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_prop.c

Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dir.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dir.c       Tue Apr 
23 06:26:54 2013        (r249786)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dir.c       Tue Apr 
23 06:28:35 2013        (r249787)
@@ -972,12 +972,18 @@ dsl_dir_set_quota_sync(void *arg, dmu_tx
 
        VERIFY0(dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds));
 
-       dsl_prop_set_sync_impl(ds, zfs_prop_to_name(ZFS_PROP_QUOTA),
-           ddsqra->ddsqra_source, sizeof (ddsqra->ddsqra_value), 1,
-           &ddsqra->ddsqra_value, tx);
+       if (spa_version(dp->dp_spa) >= SPA_VERSION_RECVD_PROPS) {
+               dsl_prop_set_sync_impl(ds, zfs_prop_to_name(ZFS_PROP_QUOTA),
+                   ddsqra->ddsqra_source, sizeof (ddsqra->ddsqra_value), 1,
+                   &ddsqra->ddsqra_value, tx);
 
-       VERIFY0(dsl_prop_get_int_ds(ds,
-           zfs_prop_to_name(ZFS_PROP_QUOTA), &newval));
+               VERIFY0(dsl_prop_get_int_ds(ds,
+                   zfs_prop_to_name(ZFS_PROP_QUOTA), &newval));
+       } else {
+               newval = ddsqra->ddsqra_value;
+               spa_history_log_internal_ds(ds, "set", tx, "%s=%lld",
+                   zfs_prop_to_name(ZFS_PROP_QUOTA), (longlong_t)newval);
+       }
 
        dmu_buf_will_dirty(ds->ds_dir->dd_dbuf, tx);
        mutex_enter(&ds->ds_dir->dd_lock);
@@ -1087,12 +1093,20 @@ dsl_dir_set_reservation_sync(void *arg, 
 
        VERIFY0(dsl_dataset_hold(dp, ddsqra->ddsqra_name, FTAG, &ds));
 
-       dsl_prop_set_sync_impl(ds, zfs_prop_to_name(ZFS_PROP_RESERVATION),
-           ddsqra->ddsqra_source, sizeof (ddsqra->ddsqra_value), 1,
-           &ddsqra->ddsqra_value, tx);
+       if (spa_version(dp->dp_spa) >= SPA_VERSION_RECVD_PROPS) {
+               dsl_prop_set_sync_impl(ds,
+                   zfs_prop_to_name(ZFS_PROP_RESERVATION),
+                   ddsqra->ddsqra_source, sizeof (ddsqra->ddsqra_value), 1,
+                   &ddsqra->ddsqra_value, tx);
 
-       VERIFY0(dsl_prop_get_int_ds(ds,
-           zfs_prop_to_name(ZFS_PROP_RESERVATION), &newval));
+               VERIFY0(dsl_prop_get_int_ds(ds,
+                   zfs_prop_to_name(ZFS_PROP_RESERVATION), &newval));
+       } else {
+               newval = ddsqra->ddsqra_value;
+               spa_history_log_internal_ds(ds, "set", tx, "%s=%lld",
+                   zfs_prop_to_name(ZFS_PROP_RESERVATION),
+                   (longlong_t)newval);
+       }
 
        dsl_dir_set_reservation_sync_impl(ds->ds_dir, newval, tx);
        dsl_dataset_rele(ds, FTAG);

Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_prop.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_prop.c      Tue Apr 
23 06:26:54 2013        (r249786)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_prop.c      Tue Apr 
23 06:28:35 2013        (r249787)
@@ -557,10 +557,6 @@ dsl_prop_set_sync_impl(dsl_dataset_t *ds
        }
 
        if (version < SPA_VERSION_RECVD_PROPS) {
-               zfs_prop_t prop = zfs_name_to_prop(propname);
-               if (prop == ZFS_PROP_QUOTA || prop == ZFS_PROP_RESERVATION)
-                       return;
-
                if (source & ZPROP_SRC_NONE)
                        source = ZPROP_SRC_NONE;
                else if (source & ZPROP_SRC_RECEIVED)
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