| arc.c (268085) | arc.c (268123) |
|---|---|
| 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) 2013 by Delphix. All rights reserved. | 23 * Copyright (c) 2011, 2014 by Delphix. All rights reserved. |
| 24 * Copyright (c) 2014 by Saso Kiselkov. All rights reserved. 25 * Copyright 2014 Nexenta Systems, Inc. All rights reserved. 26 */ 27 28/* 29 * DVA-based Adjustable Replacement Cache 30 * 31 * While much of the theory of operation used here is --- 743 unchanged lines hidden (view full) --- 775static list_t *l2arc_free_on_write; /* free after write list ptr */ 776static kmutex_t l2arc_free_on_write_mtx; /* mutex for list */ 777static uint64_t l2arc_ndev; /* number of devices */ 778 779typedef struct l2arc_read_callback { 780 arc_buf_t *l2rcb_buf; /* read buffer */ 781 spa_t *l2rcb_spa; /* spa */ 782 blkptr_t l2rcb_bp; /* original blkptr */ | 24 * Copyright (c) 2014 by Saso Kiselkov. All rights reserved. 25 * Copyright 2014 Nexenta Systems, Inc. All rights reserved. 26 */ 27 28/* 29 * DVA-based Adjustable Replacement Cache 30 * 31 * While much of the theory of operation used here is --- 743 unchanged lines hidden (view full) --- 775static list_t *l2arc_free_on_write; /* free after write list ptr */ 776static kmutex_t l2arc_free_on_write_mtx; /* mutex for list */ 777static uint64_t l2arc_ndev; /* number of devices */ 778 779typedef struct l2arc_read_callback { 780 arc_buf_t *l2rcb_buf; /* read buffer */ 781 spa_t *l2rcb_spa; /* spa */ 782 blkptr_t l2rcb_bp; /* original blkptr */ |
| 783 zbookmark_t l2rcb_zb; /* original bookmark */ | 783 zbookmark_phys_t l2rcb_zb; /* original bookmark */ |
| 784 int l2rcb_flags; /* original flags */ 785 enum zio_compress l2rcb_compress; /* applied compress */ 786} l2arc_read_callback_t; 787 788typedef struct l2arc_write_callback { 789 l2arc_dev_t *l2wcb_dev; /* device info */ 790 arc_buf_hdr_t *l2wcb_head; /* head of write buflist */ 791} l2arc_write_callback_t; --- 2347 unchanged lines hidden (view full) --- 3139 * and return; or just return. 3140 * 3141 * arc_read_done() will invoke all the requested "done" functions 3142 * for readers of this block. 3143 */ 3144int 3145arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, arc_done_func_t *done, 3146 void *private, zio_priority_t priority, int zio_flags, uint32_t *arc_flags, | 784 int l2rcb_flags; /* original flags */ 785 enum zio_compress l2rcb_compress; /* applied compress */ 786} l2arc_read_callback_t; 787 788typedef struct l2arc_write_callback { 789 l2arc_dev_t *l2wcb_dev; /* device info */ 790 arc_buf_hdr_t *l2wcb_head; /* head of write buflist */ 791} l2arc_write_callback_t; --- 2347 unchanged lines hidden (view full) --- 3139 * and return; or just return. 3140 * 3141 * arc_read_done() will invoke all the requested "done" functions 3142 * for readers of this block. 3143 */ 3144int 3145arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, arc_done_func_t *done, 3146 void *private, zio_priority_t priority, int zio_flags, uint32_t *arc_flags, |
| 3147 const zbookmark_t *zb) | 3147 const zbookmark_phys_t *zb) |
| 3148{ 3149 arc_buf_hdr_t *hdr = NULL; 3150 arc_buf_t *buf = NULL; 3151 kmutex_t *hash_lock = NULL; 3152 zio_t *rzio; 3153 uint64_t guid = spa_load_guid(spa); 3154 3155 ASSERT(!BP_IS_EMBEDDED(bp) || --- 177 unchanged lines hidden (view full) --- 3333 mutex_exit(hash_lock); 3334 3335 /* 3336 * At this point, we have a level 1 cache miss. Try again in 3337 * L2ARC if possible. 3338 */ 3339 ASSERT3U(hdr->b_size, ==, size); 3340 DTRACE_PROBE4(arc__miss, arc_buf_hdr_t *, hdr, blkptr_t *, bp, | 3148{ 3149 arc_buf_hdr_t *hdr = NULL; 3150 arc_buf_t *buf = NULL; 3151 kmutex_t *hash_lock = NULL; 3152 zio_t *rzio; 3153 uint64_t guid = spa_load_guid(spa); 3154 3155 ASSERT(!BP_IS_EMBEDDED(bp) || --- 177 unchanged lines hidden (view full) --- 3333 mutex_exit(hash_lock); 3334 3335 /* 3336 * At this point, we have a level 1 cache miss. Try again in 3337 * L2ARC if possible. 3338 */ 3339 ASSERT3U(hdr->b_size, ==, size); 3340 DTRACE_PROBE4(arc__miss, arc_buf_hdr_t *, hdr, blkptr_t *, bp, |
| 3341 uint64_t, size, zbookmark_t *, zb); | 3341 uint64_t, size, zbookmark_phys_t *, zb); |
| 3342 ARCSTAT_BUMP(arcstat_misses); 3343 ARCSTAT_CONDSTAT(!(hdr->b_flags & ARC_PREFETCH), 3344 demand, prefetch, hdr->b_type != ARC_BUFC_METADATA, 3345 data, metadata, misses); 3346#ifdef _KERNEL 3347 curthread->td_ru.ru_inblock++; 3348#endif 3349 --- 517 unchanged lines hidden (view full) --- 3867 kmem_free(callback, sizeof (arc_write_callback_t)); 3868} 3869 3870zio_t * 3871arc_write(zio_t *pio, spa_t *spa, uint64_t txg, 3872 blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, boolean_t l2arc_compress, 3873 const zio_prop_t *zp, arc_done_func_t *ready, arc_done_func_t *physdone, 3874 arc_done_func_t *done, void *private, zio_priority_t priority, | 3342 ARCSTAT_BUMP(arcstat_misses); 3343 ARCSTAT_CONDSTAT(!(hdr->b_flags & ARC_PREFETCH), 3344 demand, prefetch, hdr->b_type != ARC_BUFC_METADATA, 3345 data, metadata, misses); 3346#ifdef _KERNEL 3347 curthread->td_ru.ru_inblock++; 3348#endif 3349 --- 517 unchanged lines hidden (view full) --- 3867 kmem_free(callback, sizeof (arc_write_callback_t)); 3868} 3869 3870zio_t * 3871arc_write(zio_t *pio, spa_t *spa, uint64_t txg, 3872 blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, boolean_t l2arc_compress, 3873 const zio_prop_t *zp, arc_done_func_t *ready, arc_done_func_t *physdone, 3874 arc_done_func_t *done, void *private, zio_priority_t priority, |
| 3875 int zio_flags, const zbookmark_t *zb) | 3875 int zio_flags, const zbookmark_phys_t *zb) |
| 3876{ 3877 arc_buf_hdr_t *hdr = buf->b_hdr; 3878 arc_write_callback_t *callback; 3879 zio_t *zio; 3880 3881 ASSERT(ready != NULL); 3882 ASSERT(done != NULL); 3883 ASSERT(!HDR_IO_ERROR(hdr)); --- 1736 unchanged lines hidden --- | 3876{ 3877 arc_buf_hdr_t *hdr = buf->b_hdr; 3878 arc_write_callback_t *callback; 3879 zio_t *zio; 3880 3881 ASSERT(ready != NULL); 3882 ASSERT(done != NULL); 3883 ASSERT(!HDR_IO_ERROR(hdr)); --- 1736 unchanged lines hidden --- |