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4045 zfs write throttle & i/o scheduler performance work
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>

*** 18,28 **** * * CDDL HEADER END */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. ! * Copyright (c) 2012 by Delphix. All rights reserved. * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. */ #ifndef _SYS_DBUF_H #define _SYS_DBUF_H --- 18,28 ---- * * CDDL HEADER END */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. ! * Copyright (c) 2013 by Delphix. All rights reserved. * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. */ #ifndef _SYS_DBUF_H #define _SYS_DBUF_H
*** 110,119 **** --- 110,122 ---- struct dbuf_dirty_record *dr_next; /* pointer to parent dirty record */ struct dbuf_dirty_record *dr_parent; + /* How much space was changed to dsl_pool_dirty_space() for this? */ + unsigned int dr_accounted; + union dirty_types { struct dirty_indirect { /* protect access to list */ kmutex_t dr_mtx;
*** 252,262 **** dmu_buf_impl_t *dbuf_hold_level(struct dnode *dn, int level, uint64_t blkid, void *tag); int dbuf_hold_impl(struct dnode *dn, uint8_t level, uint64_t blkid, int create, void *tag, dmu_buf_impl_t **dbp); ! void dbuf_prefetch(struct dnode *dn, uint64_t blkid); void dbuf_add_ref(dmu_buf_impl_t *db, void *tag); uint64_t dbuf_refcount(dmu_buf_impl_t *db); void dbuf_rele(dmu_buf_impl_t *db, void *tag); --- 255,265 ---- dmu_buf_impl_t *dbuf_hold_level(struct dnode *dn, int level, uint64_t blkid, void *tag); int dbuf_hold_impl(struct dnode *dn, uint8_t level, uint64_t blkid, int create, void *tag, dmu_buf_impl_t **dbp); ! void dbuf_prefetch(struct dnode *dn, uint64_t blkid, zio_priority_t prio); void dbuf_add_ref(dmu_buf_impl_t *db, void *tag); uint64_t dbuf_refcount(dmu_buf_impl_t *db); void dbuf_rele(dmu_buf_impl_t *db, void *tag);