Esempio n. 1
0
static void
dmu_objset_sync_dnodes(list_t *list, list_t *newlist, dmu_tx_t *tx)
{
	dnode_t *dn;

	while (dn = list_head(list)) {
		ASSERT(dn->dn_object != DMU_META_DNODE_OBJECT);
		ASSERT(dn->dn_dbuf->db_data_pending);
		/*
		 * Initialize dn_zio outside dnode_sync() because the
		 * meta-dnode needs to set it ouside dnode_sync().
		 */
		dn->dn_zio = dn->dn_dbuf->db_data_pending->dr_zio;
		ASSERT(dn->dn_zio);

		ASSERT3U(dn->dn_nlevels, <=, DN_MAX_LEVELS);
		list_remove(list, dn);

		if (newlist) {
			(void) dnode_add_ref(dn, newlist);
			list_insert_tail(newlist, dn);
		}

		dnode_sync(dn, tx);
	}
}
Esempio n. 2
0
static void
dmu_objset_sync_dnodes(list_t *list, dmu_tx_t *tx)
{
	dnode_t *dn;

	while (dn = list_head(list)) {
		ASSERT(dn->dn_object != DMU_META_DNODE_OBJECT);
		ASSERT(dn->dn_dbuf->db_data_pending);
		/*
		 * Initialize dn_zio outside dnode_sync()
		 * to accomodate meta-dnode
		 */
		dn->dn_zio = dn->dn_dbuf->db_data_pending->dr_zio;
		ASSERT(dn->dn_zio);

		ASSERT3U(dn->dn_nlevels, <=, DN_MAX_LEVELS);
		list_remove(list, dn);
		dnode_sync(dn, tx);
	}
}
Esempio n. 3
0
/* called from dsl */
void
dmu_objset_sync(objset_t *os, zio_t *pio, dmu_tx_t *tx)
{
	int txgoff;
	zbookmark_t zb;
	zio_prop_t zp;
	zio_t *zio;
	list_t *list;
	list_t *newlist = NULL;
	dbuf_dirty_record_t *dr;

	dprintf_ds(os->os_dsl_dataset, "txg=%llu\n", tx->tx_txg);

	ASSERT(dmu_tx_is_syncing(tx));
	/* XXX the write_done callback should really give us the tx... */
	os->os_synctx = tx;

	if (os->os_dsl_dataset == NULL) {
		/*
		 * This is the MOS.  If we have upgraded,
		 * spa_max_replication() could change, so reset
		 * os_copies here.
		 */
		os->os_copies = spa_max_replication(os->os_spa);
	}

	/*
	 * Create the root block IO
	 */
	SET_BOOKMARK(&zb, os->os_dsl_dataset ?
	    os->os_dsl_dataset->ds_object : DMU_META_OBJSET,
	    ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID);
	arc_release(os->os_phys_buf, &os->os_phys_buf);

	dmu_write_policy(os, NULL, 0, 0, &zp);

	zio = arc_write(pio, os->os_spa, tx->tx_txg,
	    os->os_rootbp, os->os_phys_buf, DMU_OS_IS_L2CACHEABLE(os), &zp,
	    dmu_objset_write_ready, dmu_objset_write_done, os,
	    ZIO_PRIORITY_ASYNC_WRITE, ZIO_FLAG_MUSTSUCCEED, &zb);

	/*
	 * Sync special dnodes - the parent IO for the sync is the root block
	 */
	DMU_META_DNODE(os)->dn_zio = zio;
	dnode_sync(DMU_META_DNODE(os), tx);

	os->os_phys->os_flags = os->os_flags;

	if (DMU_USERUSED_DNODE(os) &&
	    DMU_USERUSED_DNODE(os)->dn_type != DMU_OT_NONE) {
		DMU_USERUSED_DNODE(os)->dn_zio = zio;
		dnode_sync(DMU_USERUSED_DNODE(os), tx);
		DMU_GROUPUSED_DNODE(os)->dn_zio = zio;
		dnode_sync(DMU_GROUPUSED_DNODE(os), tx);
	}

	txgoff = tx->tx_txg & TXG_MASK;

	if (dmu_objset_userused_enabled(os)) {
		newlist = &os->os_synced_dnodes;
		/*
		 * We must create the list here because it uses the
		 * dn_dirty_link[] of this txg.
		 */
		list_create(newlist, sizeof (dnode_t),
		    offsetof(dnode_t, dn_dirty_link[txgoff]));
	}

	dmu_objset_sync_dnodes(&os->os_free_dnodes[txgoff], newlist, tx);
	dmu_objset_sync_dnodes(&os->os_dirty_dnodes[txgoff], newlist, tx);

	list = &DMU_META_DNODE(os)->dn_dirty_records[txgoff];
	while (dr = list_head(list)) {
		ASSERT0(dr->dr_dbuf->db_level);
		list_remove(list, dr);
		if (dr->dr_zio)
			zio_nowait(dr->dr_zio);
	}
	/*
	 * Free intent log blocks up to this tx.
	 */
	zil_sync(os->os_zil, tx);
	os->os_phys->os_zil_header = os->os_zil_header;
	zio_nowait(zio);
}
Esempio n. 4
0
/* called from dsl */
void
dmu_objset_sync(objset_impl_t *os, zio_t *pio, dmu_tx_t *tx)
{
	int txgoff;
	zbookmark_t zb;
	writeprops_t wp = { 0 };
	zio_t *zio;
	list_t *list;
	dbuf_dirty_record_t *dr;

	dprintf_ds(os->os_dsl_dataset, "txg=%llu\n", tx->tx_txg);

	ASSERT(dmu_tx_is_syncing(tx));
	/* XXX the write_done callback should really give us the tx... */
	os->os_synctx = tx;

	if (os->os_dsl_dataset == NULL) {
		/*
		 * This is the MOS.  If we have upgraded,
		 * spa_max_replication() could change, so reset
		 * os_copies here.
		 */
		os->os_copies = spa_max_replication(os->os_spa);
	}

	/*
	 * Create the root block IO
	 */
	zb.zb_objset = os->os_dsl_dataset ? os->os_dsl_dataset->ds_object : 0;
	zb.zb_object = 0;
	zb.zb_level = -1;
	zb.zb_blkid = 0;
	if (BP_IS_OLDER(os->os_rootbp, tx->tx_txg)) {
		(void) dsl_dataset_block_kill(os->os_dsl_dataset,
		    os->os_rootbp, pio, tx);
	}
	wp.wp_type = DMU_OT_OBJSET;
	wp.wp_copies = os->os_copies;
	wp.wp_level = (uint8_t)-1;
	wp.wp_oschecksum = os->os_checksum;
	wp.wp_oscompress = os->os_compress;
	arc_release(os->os_phys_buf, &os->os_phys_buf);
	zio = arc_write(pio, os->os_spa, &wp,
	    tx->tx_txg, os->os_rootbp, os->os_phys_buf, ready, NULL, os,
	    ZIO_PRIORITY_ASYNC_WRITE, ZIO_FLAG_MUSTSUCCEED | ZIO_FLAG_METADATA,
	    &zb);

	/*
	 * Sync meta-dnode - the parent IO for the sync is the root block
	 */
	os->os_meta_dnode->dn_zio = zio;
	dnode_sync(os->os_meta_dnode, tx);

	txgoff = tx->tx_txg & TXG_MASK;

	dmu_objset_sync_dnodes(&os->os_free_dnodes[txgoff], tx);
	dmu_objset_sync_dnodes(&os->os_dirty_dnodes[txgoff], tx);

	list = &os->os_meta_dnode->dn_dirty_records[txgoff];
	while (dr = list_head(list)) {
		ASSERT(dr->dr_dbuf->db_level == 0);
		list_remove(list, dr);
		if (dr->dr_zio)
			zio_nowait(dr->dr_zio);
	}
	/*
	 * Free intent log blocks up to this tx.
	 */
	zil_sync(os->os_zil, tx);
	os->os_phys->os_zil_header = os->os_zil_header;
	zio_nowait(zio);
}
Esempio n. 5
0
/* called from dsl */
void
dmu_objset_sync(objset_impl_t *os, zio_t *pio, dmu_tx_t *tx)
{
	int txgoff;
	zbookmark_t zb;
	writeprops_t wp = { 0 };
	zio_t *zio;
	list_t *list;
	list_t *newlist = NULL;
	dbuf_dirty_record_t *dr;

	dprintf_ds(os->os_dsl_dataset, "txg=%llu\n", tx->tx_txg);

	ASSERT(dmu_tx_is_syncing(tx));
	/* XXX the write_done callback should really give us the tx... */
	os->os_synctx = tx;

	if (os->os_dsl_dataset == NULL) {
		/*
		 * This is the MOS.  If we have upgraded,
		 * spa_max_replication() could change, so reset
		 * os_copies here.
		 */
		os->os_copies = spa_max_replication(os->os_spa);
	}

	/*
	 * Create the root block IO
	 */
	zb.zb_objset = os->os_dsl_dataset ? os->os_dsl_dataset->ds_object : 0;
	zb.zb_object = 0;
	zb.zb_level = -1;	/* for block ordering; it's level 0 on disk */
	zb.zb_blkid = 0;

	wp.wp_type = DMU_OT_OBJSET;
	wp.wp_level = 0;	/* on-disk BP level; see above */
	wp.wp_copies = os->os_copies;
	wp.wp_oschecksum = os->os_checksum;
	wp.wp_oscompress = os->os_compress;

	if (BP_IS_OLDER(os->os_rootbp, tx->tx_txg)) {
		(void) dsl_dataset_block_kill(os->os_dsl_dataset,
		    os->os_rootbp, pio, tx);
	}

	arc_release(os->os_phys_buf, &os->os_phys_buf);

	zio = arc_write(pio, os->os_spa, &wp, DMU_OS_IS_L2CACHEABLE(os),
	    tx->tx_txg, os->os_rootbp, os->os_phys_buf, ready, NULL, os,
	    ZIO_PRIORITY_ASYNC_WRITE, ZIO_FLAG_MUSTSUCCEED, &zb);

	/*
	 * Sync special dnodes - the parent IO for the sync is the root block
	 */
	os->os_meta_dnode->dn_zio = zio;
	dnode_sync(os->os_meta_dnode, tx);

	os->os_phys->os_flags = os->os_flags;

	if (os->os_userused_dnode &&
	    os->os_userused_dnode->dn_type != DMU_OT_NONE) {
		os->os_userused_dnode->dn_zio = zio;
		dnode_sync(os->os_userused_dnode, tx);
		os->os_groupused_dnode->dn_zio = zio;
		dnode_sync(os->os_groupused_dnode, tx);
	}

	txgoff = tx->tx_txg & TXG_MASK;

	if (dmu_objset_userused_enabled(os)) {
		newlist = &os->os_synced_dnodes;
		/*
		 * We must create the list here because it uses the
		 * dn_dirty_link[] of this txg.
		 */
		list_create(newlist, sizeof (dnode_t),
		    offsetof(dnode_t, dn_dirty_link[txgoff]));
	}

	dmu_objset_sync_dnodes(&os->os_free_dnodes[txgoff], newlist, tx);
	dmu_objset_sync_dnodes(&os->os_dirty_dnodes[txgoff], newlist, tx);

	list = &os->os_meta_dnode->dn_dirty_records[txgoff];
	while ((dr = list_head(list))) {
		ASSERT(dr->dr_dbuf->db_level == 0);
		list_remove(list, dr);
		if (dr->dr_zio)
			zio_nowait(dr->dr_zio);
	}
	/*
	 * Free intent log blocks up to this tx.
	 */
	zil_sync(os->os_zil, tx);
	os->os_phys->os_zil_header = os->os_zil_header;
	zio_nowait(zio);
}