upstream/illumos/illumos-gate: usr/src/uts/common/fs/zfs/bplist.c@54258108784b (annotated)

789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1	/*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2	* CDDL HEADER START
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	3	*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	4	* The contents of this file are subject to the terms of the
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 789 diff changeset	5	* Common Development and Distribution License (the "License").
938876158511 PSARC 2006/077 zpool clear eschrock parents: 789 diff changeset	6	* You may not use this file except in compliance with the License.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	7	*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	8	* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	9	* or http://www.opensolaris.org/os/licensing.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	10	* See the License for the specific language governing permissions
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	11	* and limitations under the License.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	12	*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	13	* When distributing Covered Code, include this CDDL HEADER in each
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	14	* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	15	* If applicable, add the following below this CDDL HEADER, with the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	16	* fields enclosed by brackets "[]" replaced with your own identifying
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	17	* information: Portions Copyright [yyyy] [name of copyright owner]
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	18	*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	19	* CDDL HEADER END
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	20	*/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	21	/*
12285 d736d62dcca2 6944833 Avoid prefetching dbufs in dmu_sync() path Jeff Bonwick <Jeff.Bonwick@Sun.COM> parents: 11932 diff changeset	22	* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	23	*/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	24
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	25	#include <sys/bplist.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	26	#include <sys/zfs_context.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	27
10922 e2081f502306 PSARC 2009/571 ZFS Deduplication Properties Jeff Bonwick <Jeff.Bonwick@Sun.COM> parents: 7390 diff changeset	28
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties Jeff Bonwick <Jeff.Bonwick@Sun.COM> parents: 7390 diff changeset	29	void
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	30	bplist_create(bplist_t *bpl)
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	31	{
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	32	mutex_init(&bpl->bpl_lock, NULL, MUTEX_DEFAULT, NULL);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	33	list_create(&bpl->bpl_list, sizeof (bplist_entry_t),
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	34	offsetof(bplist_entry_t, bpe_node));
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	35	}
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	36
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	37	void
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	38	bplist_destroy(bplist_t *bpl)
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	39	{
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	40	list_destroy(&bpl->bpl_list);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	41	mutex_destroy(&bpl->bpl_lock);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	42	}
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	43
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	44	void
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	45	bplist_append(bplist_t bpl, const blkptr_t bp)
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	46	{
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	47	bplist_entry_t bpe = kmem_alloc(sizeof (bpe), KM_SLEEP);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	48
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	49	mutex_enter(&bpl->bpl_lock);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	50	bpe->bpe_blk = *bp;
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	51	list_insert_tail(&bpl->bpl_list, bpe);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	52	mutex_exit(&bpl->bpl_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	53	}
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	54
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	55	void
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	56	bplist_iterate(bplist_t bpl, bplist_itor_t func, void arg, dmu_tx_t tx)
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 789 diff changeset	57	{
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	58	bplist_entry_t *bpe;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	59
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	60	mutex_enter(&bpl->bpl_lock);
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	61	while (bpe = list_head(&bpl->bpl_list)) {
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	62	list_remove(&bpl->bpl_list, bpe);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 789 diff changeset	63	mutex_exit(&bpl->bpl_lock);
12470 54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	64	func(arg, &bpe->bpe_blk, tx);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	65	kmem_free(bpe, sizeof (*bpe));
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 12296 diff changeset	66	mutex_enter(&bpl->bpl_lock);
2082 76b439ec3ac1 PSARC 2006/223 ZFS Hot Spares eschrock parents: 1544 diff changeset	67	}
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	68	mutex_exit(&bpl->bpl_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	69	}

author	Matthew Ahrens <Matthew.Ahrens@Sun.COM>
	Fri, 21 May 2010 17:29:22 -0700
changeset 12470	54258108784b
parent 12296	7cf402a7f374
child 13973	4972ab336f54
permissions	-rw-r--r--