diff options
Diffstat (limited to 'include/sys/dmu.h')
| -rw-r--r-- | include/sys/dmu.h | 52 |
1 files changed, 44 insertions, 8 deletions
diff --git a/include/sys/dmu.h b/include/sys/dmu.h index 7c55a5c26189..b5fed64da4ad 100644 --- a/include/sys/dmu.h +++ b/include/sys/dmu.h @@ -6,7 +6,7 @@ * 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. + * or https://opensource.org/licenses/CDDL-1.0. * See the License for the specific language governing permissions * and limitations under the License. * @@ -27,6 +27,7 @@ * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. * Copyright 2013 Saso Kiselkov. All rights reserved. * Copyright (c) 2017, Intel Corporation. + * Copyright (c) 2022 Hewlett Packard Enterprise Development LP. */ /* Portions Copyright 2010 Robert Milkowski */ @@ -136,18 +137,24 @@ typedef enum dmu_object_byteswap { #endif #define DMU_OT_IS_METADATA(ot) (((ot) & DMU_OT_NEWTYPE) ? \ - ((ot) & DMU_OT_METADATA) : \ + (((ot) & DMU_OT_METADATA) != 0) : \ DMU_OT_IS_METADATA_IMPL(ot)) #define DMU_OT_IS_DDT(ot) \ ((ot) == DMU_OT_DDT_ZAP) +#define DMU_OT_IS_CRITICAL(ot) \ + (DMU_OT_IS_METADATA(ot) && \ + (ot) != DMU_OT_DNODE && \ + (ot) != DMU_OT_DIRECTORY_CONTENTS && \ + (ot) != DMU_OT_SA) + /* 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) : \ + (((ot) & DMU_OT_ENCRYPTED) != 0) : \ DMU_OT_IS_ENCRYPTED_IMPL(ot)) /* @@ -371,6 +378,7 @@ typedef struct dmu_buf { #define DMU_POOL_DDT_STATS "DDT-statistics" #define DMU_POOL_CREATION_VERSION "creation_version" #define DMU_POOL_SCAN "scan" +#define DMU_POOL_ERRORSCRUB "error_scrub" #define DMU_POOL_FREE_BPOBJ "free_bpobj" #define DMU_POOL_BPTREE_OBJ "bptree_obj" #define DMU_POOL_EMPTY_BPOBJ "empty_bpobj" @@ -564,11 +572,15 @@ int dmu_buf_hold(objset_t *os, uint64_t object, uint64_t offset, int dmu_buf_hold_array(objset_t *os, uint64_t object, uint64_t offset, uint64_t length, int read, const void *tag, int *numbufsp, dmu_buf_t ***dbpp); +int dmu_buf_hold_noread(objset_t *os, uint64_t object, uint64_t offset, + const void *tag, dmu_buf_t **dbp); int dmu_buf_hold_by_dnode(dnode_t *dn, uint64_t offset, const void *tag, dmu_buf_t **dbp, int flags); int dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length, boolean_t read, const void *tag, int *numbufsp, dmu_buf_t ***dbpp, uint32_t flags); +int dmu_buf_hold_noread_by_dnode(dnode_t *dn, uint64_t offset, const void *tag, + dmu_buf_t **dbp); /* * Add a reference to a dmu buffer that has already been held via * dmu_buf_hold() in the current context. @@ -640,6 +652,9 @@ typedef struct dmu_buf_user { */ taskq_ent_t dbu_tqent; + /* Size of user data, for inclusion in dbuf_cache accounting. */ + uint64_t dbu_size; + /* * This instance's eviction function pointers. * @@ -722,13 +737,21 @@ void *dmu_buf_replace_user(dmu_buf_t *db, void *dmu_buf_remove_user(dmu_buf_t *db, dmu_buf_user_t *user); /* + * User data size accounting. This can be used to artifically inflate the size + * of the dbuf during cache accounting, so that dbuf_evict_thread evicts enough + * to satisfy memory reclaim requests. It's not used for anything else, and + * defaults to 0. + */ +uint64_t dmu_buf_user_size(dmu_buf_t *db); +void dmu_buf_add_user_size(dmu_buf_t *db, uint64_t nadd); +void dmu_buf_sub_user_size(dmu_buf_t *db, uint64_t nsub); + +/* * Returns the user data (dmu_buf_user_t *) associated with this dbuf. */ void *dmu_buf_get_user(dmu_buf_t *db); objset_t *dmu_buf_get_objset(dmu_buf_t *db); -dnode_t *dmu_buf_dnode_enter(dmu_buf_t *db); -void dmu_buf_dnode_exit(dmu_buf_t *db); /* Block until any in-progress dmu buf user evictions complete. */ void dmu_buf_user_evict_wait(void); @@ -775,6 +798,11 @@ dmu_tx_t *dmu_tx_create(objset_t *os); void dmu_tx_hold_write(dmu_tx_t *tx, uint64_t object, uint64_t off, int len); void dmu_tx_hold_write_by_dnode(dmu_tx_t *tx, dnode_t *dn, uint64_t off, int len); +void dmu_tx_hold_append(dmu_tx_t *tx, uint64_t object, uint64_t off, int len); +void dmu_tx_hold_append_by_dnode(dmu_tx_t *tx, dnode_t *dn, uint64_t off, + int len); +void dmu_tx_hold_clone_by_dnode(dmu_tx_t *tx, dnode_t *dn, uint64_t off, + int len); void dmu_tx_hold_free(dmu_tx_t *tx, uint64_t object, uint64_t off, uint64_t len); void dmu_tx_hold_free_by_dnode(dmu_tx_t *tx, dnode_t *dn, uint64_t off, @@ -865,13 +893,16 @@ int dmu_assign_arcbuf_by_dnode(dnode_t *dn, uint64_t offset, int dmu_assign_arcbuf_by_dbuf(dmu_buf_t *handle, uint64_t offset, struct arc_buf *buf, dmu_tx_t *tx); #define dmu_assign_arcbuf dmu_assign_arcbuf_by_dbuf -extern int zfs_max_recordsize; +extern uint_t zfs_max_recordsize; /* * Asynchronously try to read in the data. */ void dmu_prefetch(objset_t *os, uint64_t object, int64_t level, uint64_t offset, uint64_t len, enum zio_priority pri); +void dmu_prefetch_by_dnode(dnode_t *dn, int64_t level, uint64_t offset, + uint64_t len, enum zio_priority pri); +void dmu_prefetch_dnode(objset_t *os, uint64_t object, enum zio_priority pri); typedef struct dmu_object_info { /* All sizes are in bytes unless otherwise indicated. */ @@ -907,7 +938,7 @@ typedef const struct dmu_object_byteswap_info { } dmu_object_byteswap_info_t; extern const dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES]; -extern const dmu_object_byteswap_info_t dmu_ot_byteswap[DMU_BSWAP_NUMFUNCS]; +extern dmu_object_byteswap_info_t dmu_ot_byteswap[DMU_BSWAP_NUMFUNCS]; /* * Get information on a DMU object. @@ -1052,6 +1083,11 @@ int dmu_sync(struct zio *zio, uint64_t txg, dmu_sync_cb_t *done, zgd_t *zgd); int dmu_offset_next(objset_t *os, uint64_t object, boolean_t hole, uint64_t *off); +int dmu_read_l0_bps(objset_t *os, uint64_t object, uint64_t offset, + uint64_t length, struct blkptr *bps, size_t *nbpsp); +int dmu_brt_clone(objset_t *os, uint64_t object, uint64_t offset, + uint64_t length, dmu_tx_t *tx, const struct blkptr *bps, size_t nbps); + /* * Initial setup and final teardown. */ @@ -1070,7 +1106,7 @@ int dmu_diff(const char *tosnap_name, const char *fromsnap_name, #define ZFS_CRC64_POLY 0xC96C5795D7870F42ULL /* ECMA-182, reflected form */ extern uint64_t zfs_crc64_table[256]; -extern int dmu_prefetch_max; +extern uint_t dmu_prefetch_max; #ifdef __cplusplus } |