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Pool allocation classes

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Allocation Classes add the ability to have allocation classes in a
pool that are dedicated to serving specific block categories, such
as DDT data, metadata, and small file blocks. A pool can opt-in to
this feature by adding a 'special' or 'dedup' top-level VDEV.

Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Reviewed-by: Håkan Johansson <f96hajo@chalmers.se>
Reviewed-by: Andreas Dilger <andreas.dilger@chamcloud.com>
Reviewed-by: DHE <git@dehacked.net>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Gregor Kopka <gregor@kopka.net>
Reviewed-by: Kash Pande <kash@tripleback.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #5182
This commit is contained in:
Don Brady
2018-09-05 19:33:36 -06:00
committed by Brian Behlendorf
parent cfa37548eb
commit cc99f275a2
57 changed files with 2326 additions and 282 deletions
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include/sys/dmu.h
+13 -2
View File
@@ -20,12 +20,13 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011, 2017 by Delphix. All rights reserved.
* Copyright (c) 2011, 2018 by Delphix. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
* Copyright 2014 HybridCluster. All rights reserved.
* Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
* Copyright 2013 Saso Kiselkov. All rights reserved.
* Copyright (c) 2017, Intel Corporation.
*/
/* Portions Copyright 2010 Robert Milkowski */
@@ -136,6 +137,16 @@ typedef enum dmu_object_byteswap {
((ot) & DMU_OT_METADATA) : \
DMU_OT_IS_METADATA_IMPL(ot))
#define DMU_OT_IS_DDT(ot) \
((ot) == DMU_OT_DDT_ZAP)
#define DMU_OT_IS_ZIL(ot) \
((ot) == DMU_OT_INTENT_LOG)
/* Note: ztest uses DMU_OT_UINT64_OTHER as a proxy for file blocks */
#define DMU_OT_IS_FILE(ot) \
((ot) == DMU_OT_PLAIN_FILE_CONTENTS || (ot) == DMU_OT_UINT64_OTHER)
#define DMU_OT_IS_ENCRYPTED(ot) (((ot) & DMU_OT_NEWTYPE) ? \
((ot) & DMU_OT_ENCRYPTED) : \
DMU_OT_IS_ENCRYPTED_IMPL(ot))
@@ -226,7 +237,7 @@ typedef enum dmu_object_type {
* values.
*
* The DMU_OTN_* types do not have entries in the dmu_ot table,
* use the DMU_OT_IS_METDATA() and DMU_OT_BYTESWAP() macros instead
* use the DMU_OT_IS_METADATA() and DMU_OT_BYTESWAP() macros instead
* of indexing into dmu_ot directly (this works for both DMU_OT_* types
* and DMU_OTN_* types).
*/