1 files changed, 0 insertions, 256 deletions

diff --git a/sys/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c b/sys/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c
deleted file mode 100644
index 00abf7e..0000000
--- a/sys/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-#include <sys/dsl_pool.h>
-#include <sys/dsl_dataset.h>
-#include <sys/dsl_dir.h>
-#include <sys/dsl_synctask.h>
-#include <sys/dmu_tx.h>
-#include <sys/dmu_objset.h>
-#include <sys/arc.h>
-#include <sys/zap.h>
-#include <sys/zio.h>
-#include <sys/zfs_context.h>
-#include <sys/fs/zfs.h>
-
-static int
-dsl_pool_open_mos_dir(dsl_pool_t *dp, dsl_dir_t **ddp)
-{
-	uint64_t obj;
-	int err;
-
-	err = zap_lookup(dp->dp_meta_objset,
-	    dp->dp_root_dir->dd_phys->dd_child_dir_zapobj,
-	    MOS_DIR_NAME, sizeof (obj), 1, &obj);
-	if (err)
-		return (err);
-
-	return (dsl_dir_open_obj(dp, obj, MOS_DIR_NAME, dp, ddp));
-}
-
-static dsl_pool_t *
-dsl_pool_open_impl(spa_t *spa, uint64_t txg)
-{
-	dsl_pool_t *dp;
-	blkptr_t *bp = spa_get_rootblkptr(spa);
-
-	dp = kmem_zalloc(sizeof (dsl_pool_t), KM_SLEEP);
-	dp->dp_spa = spa;
-	dp->dp_meta_rootbp = *bp;
-	rw_init(&dp->dp_config_rwlock, NULL, RW_DEFAULT, NULL);
-	txg_init(dp, txg);
-
-	txg_list_create(&dp->dp_dirty_datasets,
-	    offsetof(dsl_dataset_t, ds_dirty_link));
-	txg_list_create(&dp->dp_dirty_dirs,
-	    offsetof(dsl_dir_t, dd_dirty_link));
-	txg_list_create(&dp->dp_sync_tasks,
-	    offsetof(dsl_sync_task_group_t, dstg_node));
-	list_create(&dp->dp_synced_objsets, sizeof (dsl_dataset_t),
-	    offsetof(dsl_dataset_t, ds_synced_link));
-
-	return (dp);
-}
-
-int
-dsl_pool_open(spa_t *spa, uint64_t txg, dsl_pool_t **dpp)
-{
-	int err;
-	dsl_pool_t *dp = dsl_pool_open_impl(spa, txg);
-	objset_impl_t *osi;
-
-	rw_enter(&dp->dp_config_rwlock, RW_READER);
-	err = dmu_objset_open_impl(spa, NULL, &dp->dp_meta_rootbp, &osi);
-	if (err)
-		goto out;
-	dp->dp_meta_objset = &osi->os;
-
-	err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
-	    DMU_POOL_ROOT_DATASET, sizeof (uint64_t), 1,
-	    &dp->dp_root_dir_obj);
-	if (err)
-		goto out;
-
-	err = dsl_dir_open_obj(dp, dp->dp_root_dir_obj,
-	    NULL, dp, &dp->dp_root_dir);
-	if (err)
-		goto out;
-
-	err = dsl_pool_open_mos_dir(dp, &dp->dp_mos_dir);
-	if (err)
-		goto out;
-
-out:
-	rw_exit(&dp->dp_config_rwlock);
-	if (err)
-		dsl_pool_close(dp);
-	else
-		*dpp = dp;
-
-	return (err);
-}
-
-void
-dsl_pool_close(dsl_pool_t *dp)
-{
-	/* drop our reference from dsl_pool_open() */
-	if (dp->dp_mos_dir)
-		dsl_dir_close(dp->dp_mos_dir, dp);
-	if (dp->dp_root_dir)
-		dsl_dir_close(dp->dp_root_dir, dp);
-
-	/* undo the dmu_objset_open_impl(mos) from dsl_pool_open() */
-	if (dp->dp_meta_objset)
-		dmu_objset_evict(NULL, dp->dp_meta_objset->os);
-
-	txg_list_destroy(&dp->dp_dirty_datasets);
-	txg_list_destroy(&dp->dp_dirty_dirs);
-	txg_list_destroy(&dp->dp_sync_tasks);
-	list_destroy(&dp->dp_synced_objsets);
-
-	arc_flush();
-	txg_fini(dp);
-	rw_destroy(&dp->dp_config_rwlock);
-	kmem_free(dp, sizeof (dsl_pool_t));
-}
-
-dsl_pool_t *
-dsl_pool_create(spa_t *spa, uint64_t txg)
-{
-	int err;
-	dsl_pool_t *dp = dsl_pool_open_impl(spa, txg);
-	dmu_tx_t *tx = dmu_tx_create_assigned(dp, txg);
-	dp->dp_meta_objset = &dmu_objset_create_impl(spa,
-	    NULL, &dp->dp_meta_rootbp, DMU_OST_META, tx)->os;
-
-	/* create the pool directory */
-	err = zap_create_claim(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
-	    DMU_OT_OBJECT_DIRECTORY, DMU_OT_NONE, 0, tx);
-	ASSERT3U(err, ==, 0);
-
-	/* create and open the root dir */
-	dsl_dataset_create_root(dp, &dp->dp_root_dir_obj, tx);
-	VERIFY(0 == dsl_dir_open_obj(dp, dp->dp_root_dir_obj,
-	    NULL, dp, &dp->dp_root_dir));
-
-	/* create and open the meta-objset dir */
-	(void) dsl_dir_create_sync(dp->dp_root_dir, MOS_DIR_NAME, tx);
-	VERIFY(0 == dsl_pool_open_mos_dir(dp, &dp->dp_mos_dir));
-
-	dmu_tx_commit(tx);
-
-	return (dp);
-}
-
-void
-dsl_pool_sync(dsl_pool_t *dp, uint64_t txg)
-{
-	zio_t *zio;
-	dmu_tx_t *tx;
-	dsl_dir_t *dd;
-	dsl_dataset_t *ds;
-	dsl_sync_task_group_t *dstg;
-	objset_impl_t *mosi = dp->dp_meta_objset->os;
-	int err;
-
-	tx = dmu_tx_create_assigned(dp, txg);
-
-	zio = zio_root(dp->dp_spa, NULL, NULL, ZIO_FLAG_MUSTSUCCEED);
-	while (ds = txg_list_remove(&dp->dp_dirty_datasets, txg)) {
-		if (!list_link_active(&ds->ds_synced_link))
-			list_insert_tail(&dp->dp_synced_objsets, ds);
-		else
-			dmu_buf_rele(ds->ds_dbuf, ds);
-		dsl_dataset_sync(ds, zio, tx);
-	}
-	err = zio_wait(zio);
-	ASSERT(err == 0);
-
-	while (dstg = txg_list_remove(&dp->dp_sync_tasks, txg))
-		dsl_sync_task_group_sync(dstg, tx);
-	while (dd = txg_list_remove(&dp->dp_dirty_dirs, txg))
-		dsl_dir_sync(dd, tx);
-
-	if (list_head(&mosi->os_dirty_dnodes[txg & TXG_MASK]) != NULL ||
-	    list_head(&mosi->os_free_dnodes[txg & TXG_MASK]) != NULL) {
-		zio = zio_root(dp->dp_spa, NULL, NULL, ZIO_FLAG_MUSTSUCCEED);
-		dmu_objset_sync(mosi, zio, tx);
-		err = zio_wait(zio);
-		ASSERT(err == 0);
-		dprintf_bp(&dp->dp_meta_rootbp, "meta objset rootbp is %s", "");
-		spa_set_rootblkptr(dp->dp_spa, &dp->dp_meta_rootbp);
-	}
-
-	dmu_tx_commit(tx);
-}
-
-void
-dsl_pool_zil_clean(dsl_pool_t *dp)
-{
-	dsl_dataset_t *ds;
-
-	while (ds = list_head(&dp->dp_synced_objsets)) {
-		list_remove(&dp->dp_synced_objsets, ds);
-		ASSERT(ds->ds_user_ptr != NULL);
-		zil_clean(((objset_impl_t *)ds->ds_user_ptr)->os_zil);
-		dmu_buf_rele(ds->ds_dbuf, ds);
-	}
-}
-
-/*
- * TRUE if the current thread is the tx_sync_thread or if we
- * are being called from SPA context during pool initialization.
- */
-int
-dsl_pool_sync_context(dsl_pool_t *dp)
-{
-	return (curthread == dp->dp_tx.tx_sync_thread ||
-	    spa_get_dsl(dp->dp_spa) == NULL);
-}
-
-uint64_t
-dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree)
-{
-	uint64_t space, resv;
-
-	/*
-	 * Reserve about 1.6% (1/64), or at least 32MB, for allocation
-	 * efficiency.
-	 * XXX The intent log is not accounted for, so it must fit
-	 * within this slop.
-	 *
-	 * If we're trying to assess whether it's OK to do a free,
-	 * cut the reservation in half to allow forward progress
-	 * (e.g. make it possible to rm(1) files from a full pool).
-	 */
-	space = spa_get_dspace(dp->dp_spa);
-	resv = MAX(space >> 6, SPA_MINDEVSIZE >> 1);
-	if (netfree)
-		resv >>= 1;
-
-	return (space - resv);
-}