* CDDL HEADER END
*/
/*
- * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _SYS_ARC_H
struct arc_buf {
arc_buf_hdr_t *b_hdr;
arc_buf_t *b_next;
- krwlock_t b_lock;
+ kmutex_t b_evict_lock;
+ krwlock_t b_data_lock;
void *b_data;
arc_evict_func_t *b_efunc;
void *b_private;
arc_buf_contents_t type);
arc_buf_t *arc_loan_buf(spa_t *spa, int size);
void arc_return_buf(arc_buf_t *buf, void *tag);
+void arc_loan_inuse_buf(arc_buf_t *buf, void *tag);
void arc_buf_add_ref(arc_buf_t *buf, void *tag);
int arc_buf_remove_ref(arc_buf_t *buf, void *tag);
int arc_buf_size(arc_buf_t *buf);
void arc_release(arc_buf_t *buf, void *tag);
+int arc_release_bp(arc_buf_t *buf, void *tag, blkptr_t *bp, spa_t *spa,
+ zbookmark_t *zb);
int arc_released(arc_buf_t *buf);
int arc_has_callback(arc_buf_t *buf);
void arc_buf_freeze(arc_buf_t *buf);
int arc_referenced(arc_buf_t *buf);
#endif
-typedef struct writeprops {
- dmu_object_type_t wp_type;
- uint8_t wp_level;
- uint8_t wp_copies;
- uint8_t wp_dncompress, wp_oscompress;
- uint8_t wp_dnchecksum, wp_oschecksum;
-} writeprops_t;
-
-void write_policy(spa_t *spa, const writeprops_t *wp, zio_prop_t *zp);
-int arc_read(zio_t *pio, spa_t *spa, blkptr_t *bp, arc_buf_t *pbuf,
+int arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, arc_buf_t *pbuf,
arc_done_func_t *done, void *private, int priority, int zio_flags,
uint32_t *arc_flags, const zbookmark_t *zb);
-int arc_read_nolock(zio_t *pio, spa_t *spa, blkptr_t *bp,
+int arc_read_nolock(zio_t *pio, spa_t *spa, const blkptr_t *bp,
arc_done_func_t *done, void *private, int priority, int flags,
uint32_t *arc_flags, const zbookmark_t *zb);
-zio_t *arc_write(zio_t *pio, spa_t *spa, const writeprops_t *wp,
- boolean_t l2arc, uint64_t txg, blkptr_t *bp, arc_buf_t *buf,
- arc_done_func_t *ready, arc_done_func_t *done, void *private, int priority,
- int zio_flags, const zbookmark_t *zb);
-int arc_free(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp,
- zio_done_func_t *done, void *private, uint32_t arc_flags);
-int arc_tryread(spa_t *spa, blkptr_t *bp, void *data);
+zio_t *arc_write(zio_t *pio, spa_t *spa, uint64_t txg,
+ blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, const zio_prop_t *zp,
+ arc_done_func_t *ready, arc_done_func_t *done, void *private,
+ int priority, int zio_flags, const zbookmark_t *zb);
void arc_set_callback(arc_buf_t *buf, arc_evict_func_t *func, void *private);
int arc_buf_evict(arc_buf_t *buf);