diff options
Diffstat (limited to 'include/sys/metaslab.h')
| -rw-r--r-- | include/sys/metaslab.h | 66 |
1 files changed, 37 insertions, 29 deletions
diff --git a/include/sys/metaslab.h b/include/sys/metaslab.h index 70f7af0a5..a3bbc25f7 100644 --- a/include/sys/metaslab.h +++ b/include/sys/metaslab.h @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. */ #ifndef _SYS_METASLAB_H @@ -36,14 +36,25 @@ extern "C" { #endif -extern space_map_ops_t *zfs_metaslab_ops; +typedef struct metaslab_ops { + uint64_t (*msop_alloc)(metaslab_t *msp, uint64_t size); + boolean_t (*msop_fragmented)(metaslab_t *msp); +} metaslab_ops_t; -extern metaslab_t *metaslab_init(metaslab_group_t *mg, space_map_obj_t *smo, - uint64_t start, uint64_t size, uint64_t txg); -extern void metaslab_fini(metaslab_t *msp); -extern void metaslab_sync(metaslab_t *msp, uint64_t txg); -extern void metaslab_sync_done(metaslab_t *msp, uint64_t txg); -extern void metaslab_sync_reassess(metaslab_group_t *mg); +extern metaslab_ops_t *zfs_metaslab_ops; + +metaslab_t *metaslab_init(metaslab_group_t *mg, uint64_t id, + uint64_t object, uint64_t txg); +void metaslab_fini(metaslab_t *msp); + +void metaslab_load_wait(metaslab_t *msp); +int metaslab_load(metaslab_t *msp); +void metaslab_unload(metaslab_t *msp); + +void metaslab_sync(metaslab_t *msp, uint64_t txg); +void metaslab_sync_done(metaslab_t *msp, uint64_t txg); +void metaslab_sync_reassess(metaslab_group_t *mg); +uint64_t metaslab_block_maxsize(metaslab_t *msp); #define METASLAB_HINTBP_FAVOR 0x0 #define METASLAB_HINTBP_AVOID 0x1 @@ -52,33 +63,30 @@ extern void metaslab_sync_reassess(metaslab_group_t *mg); #define METASLAB_GANG_AVOID 0x8 #define METASLAB_FASTWRITE 0x10 -extern int metaslab_alloc(spa_t *spa, metaslab_class_t *mc, uint64_t psize, +int metaslab_alloc(spa_t *spa, metaslab_class_t *mc, uint64_t psize, blkptr_t *bp, int ncopies, uint64_t txg, blkptr_t *hintbp, int flags); -extern void metaslab_free(spa_t *spa, const blkptr_t *bp, uint64_t txg, - boolean_t now); -extern int metaslab_claim(spa_t *spa, const blkptr_t *bp, uint64_t txg); -extern void metaslab_check_free(spa_t *spa, const blkptr_t *bp); -extern void metaslab_fastwrite_mark(spa_t *spa, const blkptr_t *bp); -extern void metaslab_fastwrite_unmark(spa_t *spa, const blkptr_t *bp); +void metaslab_free(spa_t *spa, const blkptr_t *bp, uint64_t txg, boolean_t now); +int metaslab_claim(spa_t *spa, const blkptr_t *bp, uint64_t txg); +void metaslab_check_free(spa_t *spa, const blkptr_t *bp); +void metaslab_fastwrite_mark(spa_t *spa, const blkptr_t *bp); +void metaslab_fastwrite_unmark(spa_t *spa, const blkptr_t *bp); -extern metaslab_class_t *metaslab_class_create(spa_t *spa, - space_map_ops_t *ops); -extern void metaslab_class_destroy(metaslab_class_t *mc); -extern int metaslab_class_validate(metaslab_class_t *mc); +metaslab_class_t *metaslab_class_create(spa_t *spa, metaslab_ops_t *ops); +void metaslab_class_destroy(metaslab_class_t *mc); +int metaslab_class_validate(metaslab_class_t *mc); -extern void metaslab_class_space_update(metaslab_class_t *mc, +void metaslab_class_space_update(metaslab_class_t *mc, int64_t alloc_delta, int64_t defer_delta, int64_t space_delta, int64_t dspace_delta); -extern uint64_t metaslab_class_get_alloc(metaslab_class_t *mc); -extern uint64_t metaslab_class_get_space(metaslab_class_t *mc); -extern uint64_t metaslab_class_get_dspace(metaslab_class_t *mc); -extern uint64_t metaslab_class_get_deferred(metaslab_class_t *mc); +uint64_t metaslab_class_get_alloc(metaslab_class_t *mc); +uint64_t metaslab_class_get_space(metaslab_class_t *mc); +uint64_t metaslab_class_get_dspace(metaslab_class_t *mc); +uint64_t metaslab_class_get_deferred(metaslab_class_t *mc); -extern metaslab_group_t *metaslab_group_create(metaslab_class_t *mc, - vdev_t *vd); -extern void metaslab_group_destroy(metaslab_group_t *mg); -extern void metaslab_group_activate(metaslab_group_t *mg); -extern void metaslab_group_passivate(metaslab_group_t *mg); +metaslab_group_t *metaslab_group_create(metaslab_class_t *mc, vdev_t *vd); +void metaslab_group_destroy(metaslab_group_t *mg); +void metaslab_group_activate(metaslab_group_t *mg); +void metaslab_group_passivate(metaslab_group_t *mg); #ifdef __cplusplus } |