/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011 by Delphix. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
* Copyright (c) 2012 Pawel Jakub Dawidek <pawel@dawidek.net>.
* All rights reserved
*/
avl_tree_t *fsavl = NULL;
static uint64_t holdseq;
int spa_version;
- boolean_t holdsnaps = B_FALSE;
pthread_t tid;
int pipefd[2];
dedup_arg_t dda = { 0 };
}
}
- if (!flags->dryrun && zfs_spa_version(zhp, &spa_version) == 0 &&
- spa_version >= SPA_VERSION_USERREFS &&
- (flags->doall || flags->replicate))
- holdsnaps = B_TRUE;
-
if (flags->dedup && !flags->dryrun) {
featureflags |= (DMU_BACKUP_FEATURE_DEDUP |
DMU_BACKUP_FEATURE_DEDUPPROPS);
sdd.filter_cb_arg = cb_arg;
if (debugnvp)
sdd.debugnv = *debugnvp;
- if (holdsnaps) {
+
+ /*
+ * Some flags require that we place user holds on the datasets that are
+ * being sent so they don't get destroyed during the send. We can skip
+ * this step if the pool is imported read-only since the datasets cannot
+ * be destroyed.
+ */
+ if (!flags->dryrun && !zpool_get_prop_int(zfs_get_pool_handle(zhp),
+ ZPOOL_PROP_READONLY, NULL) &&
+ zfs_spa_version(zhp, &spa_version) == 0 &&
+ spa_version >= SPA_VERSION_USERREFS &&
+ (flags->doall || flags->replicate)) {
++holdseq;
(void) snprintf(sdd.holdtag, sizeof (sdd.holdtag),
".send-%d-%llu", getpid(), (u_longlong_t)holdseq);