| dmu.c (321549) | dmu.c (321573) |
|---|---|
| 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 6 unchanged lines hidden (view full) --- 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. | 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 6 unchanged lines hidden (view full) --- 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
| 23 * Copyright (c) 2011, 2016 by Delphix. All rights reserved. | 23 * Copyright (c) 2011, 2017 by Delphix. All rights reserved. |
| 24 */ 25/* Copyright (c) 2013 by Saso Kiselkov. All rights reserved. */ 26/* Copyright (c) 2013, Joyent, Inc. All rights reserved. */ 27/* Copyright (c) 2014, Nexenta Systems, Inc. All rights reserved. */ 28 29#include <sys/dmu.h> 30#include <sys/dmu_impl.h> 31#include <sys/dmu_tx.h> --- 1757 unchanged lines hidden (view full) --- 1789 ASSERT(pio != NULL); 1790 ASSERT(txg != 0); 1791 1792 SET_BOOKMARK(&zb, ds->ds_object, 1793 db->db.db_object, db->db_level, db->db_blkid); 1794 1795 DB_DNODE_ENTER(db); 1796 dn = DB_DNODE(db); | 24 */ 25/* Copyright (c) 2013 by Saso Kiselkov. All rights reserved. */ 26/* Copyright (c) 2013, Joyent, Inc. All rights reserved. */ 27/* Copyright (c) 2014, Nexenta Systems, Inc. All rights reserved. */ 28 29#include <sys/dmu.h> 30#include <sys/dmu_impl.h> 31#include <sys/dmu_tx.h> --- 1757 unchanged lines hidden (view full) --- 1789 ASSERT(pio != NULL); 1790 ASSERT(txg != 0); 1791 1792 SET_BOOKMARK(&zb, ds->ds_object, 1793 db->db.db_object, db->db_level, db->db_blkid); 1794 1795 DB_DNODE_ENTER(db); 1796 dn = DB_DNODE(db); |
| 1797 dmu_write_policy(os, dn, db->db_level, WP_DMU_SYNC, 1798 ZIO_COMPRESS_INHERIT, &zp); | 1797 dmu_write_policy(os, dn, db->db_level, WP_DMU_SYNC, &zp); |
| 1799 DB_DNODE_EXIT(db); 1800 1801 /* 1802 * If we're frozen (running ziltest), we always need to generate a bp. 1803 */ 1804 if (txg > spa_freeze_txg(os->os_spa)) 1805 return (dmu_sync_late_arrival(pio, os, done, zgd, &zp, &zb)); 1806 --- 155 unchanged lines hidden (view full) --- 1962 1963/* 1964 * When the "redundant_metadata" property is set to "most", only indirect 1965 * blocks of this level and higher will have an additional ditto block. 1966 */ 1967int zfs_redundant_metadata_most_ditto_level = 2; 1968 1969void | 1798 DB_DNODE_EXIT(db); 1799 1800 /* 1801 * If we're frozen (running ziltest), we always need to generate a bp. 1802 */ 1803 if (txg > spa_freeze_txg(os->os_spa)) 1804 return (dmu_sync_late_arrival(pio, os, done, zgd, &zp, &zb)); 1805 --- 155 unchanged lines hidden (view full) --- 1961 1962/* 1963 * When the "redundant_metadata" property is set to "most", only indirect 1964 * blocks of this level and higher will have an additional ditto block. 1965 */ 1966int zfs_redundant_metadata_most_ditto_level = 2; 1967 1968void |
| 1970dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, 1971 enum zio_compress override_compress, zio_prop_t *zp) | 1969dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, zio_prop_t *zp) |
| 1972{ 1973 dmu_object_type_t type = dn ? dn->dn_type : DMU_OT_OBJSET; 1974 boolean_t ismd = (level > 0 || DMU_OT_IS_METADATA(type) || 1975 (wp & WP_SPILL)); 1976 enum zio_checksum checksum = os->os_checksum; 1977 enum zio_compress compress = os->os_compress; 1978 enum zio_checksum dedup_checksum = os->os_dedup_checksum; 1979 boolean_t dedup = B_FALSE; 1980 boolean_t nopwrite = B_FALSE; 1981 boolean_t dedup_verify = os->os_dedup_verify; 1982 int copies = os->os_copies; | 1970{ 1971 dmu_object_type_t type = dn ? dn->dn_type : DMU_OT_OBJSET; 1972 boolean_t ismd = (level > 0 || DMU_OT_IS_METADATA(type) || 1973 (wp & WP_SPILL)); 1974 enum zio_checksum checksum = os->os_checksum; 1975 enum zio_compress compress = os->os_compress; 1976 enum zio_checksum dedup_checksum = os->os_dedup_checksum; 1977 boolean_t dedup = B_FALSE; 1978 boolean_t nopwrite = B_FALSE; 1979 boolean_t dedup_verify = os->os_dedup_verify; 1980 int copies = os->os_copies; |
| 1983 boolean_t lz4_ac = spa_feature_is_active(os->os_spa, 1984 SPA_FEATURE_LZ4_COMPRESS); | |
| 1985 | 1981 |
| 1986 IMPLY(override_compress == ZIO_COMPRESS_LZ4, lz4_ac); 1987 | |
| 1988 /* 1989 * We maintain different write policies for each of the following 1990 * types of data: 1991 * 1. metadata 1992 * 2. preallocated blocks (i.e. level-0 blocks of a dump device) 1993 * 3. all other level 0 blocks 1994 */ 1995 if (ismd) { --- 70 unchanged lines hidden (view full) --- 2066 * exclusive. 2067 */ 2068 nopwrite = (!dedup && (zio_checksum_table[checksum].ci_flags & 2069 ZCHECKSUM_FLAG_NOPWRITE) && 2070 compress != ZIO_COMPRESS_OFF && zfs_nopwrite_enabled); 2071 } 2072 2073 zp->zp_checksum = checksum; | 1982 /* 1983 * We maintain different write policies for each of the following 1984 * types of data: 1985 * 1. metadata 1986 * 2. preallocated blocks (i.e. level-0 blocks of a dump device) 1987 * 3. all other level 0 blocks 1988 */ 1989 if (ismd) { --- 70 unchanged lines hidden (view full) --- 2060 * exclusive. 2061 */ 2062 nopwrite = (!dedup && (zio_checksum_table[checksum].ci_flags & 2063 ZCHECKSUM_FLAG_NOPWRITE) && 2064 compress != ZIO_COMPRESS_OFF && zfs_nopwrite_enabled); 2065 } 2066 2067 zp->zp_checksum = checksum; |
| 2074 2075 /* 2076 * If we're writing a pre-compressed buffer, the compression type we use 2077 * must match the data. If it hasn't been compressed yet, then we should 2078 * use the value dictated by the policies above. 2079 */ 2080 zp->zp_compress = override_compress != ZIO_COMPRESS_INHERIT 2081 ? override_compress : compress; | 2068 zp->zp_compress = compress; |
| 2082 ASSERT3U(zp->zp_compress, !=, ZIO_COMPRESS_INHERIT); 2083 2084 zp->zp_type = (wp & WP_SPILL) ? dn->dn_bonustype : type; 2085 zp->zp_level = level; 2086 zp->zp_copies = MIN(copies, spa_max_replication(os->os_spa)); 2087 zp->zp_dedup = dedup; 2088 zp->zp_dedup_verify = dedup && dedup_verify; 2089 zp->zp_nopwrite = nopwrite; --- 217 unchanged lines hidden --- | 2069 ASSERT3U(zp->zp_compress, !=, ZIO_COMPRESS_INHERIT); 2070 2071 zp->zp_type = (wp & WP_SPILL) ? dn->dn_bonustype : type; 2072 zp->zp_level = level; 2073 zp->zp_copies = MIN(copies, spa_max_replication(os->os_spa)); 2074 zp->zp_dedup = dedup; 2075 zp->zp_dedup_verify = dedup && dedup_verify; 2076 zp->zp_nopwrite = nopwrite; --- 217 unchanged lines hidden --- |